Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Text Part Number: 78-6270-01 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD December 7, 1998 These release notes describe new features for the Cisco AS5300 universal access server that support Cisco IOS Release 12.0(2)XD. Cisco IOS Release 12.0(2)XD is based on Cisco IOS Release 12.0(2)T. Use these release notes in conjunction with the cross-platform Release Notes for Cisco IOS Release 12.0 T located on Cisco Connection Online (CCO) and the Documentation CD-ROM. For a list of software caveats that apply to Release 12.0(2)XD, refer to the “Caveats” section on page 11. Contents These release notes discuss the following topics: • Introduction, page 2 • System Requirements, page 2 • New and Changed Information, page 9 • Caveats, page 11 • Related Documentation, page 15 • Service and Support, page 19 • Cisco Connection Online, page 20 • Documentation CD-ROM, page 21 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA Copyright © 1998 Cisco Systems, Inc. All rights reserved. 1

Introduction Introduction The Cisco AS5300 universal access server is a versatile data communications platform that provides the functions of an access server, router, and digital modems in a single modular chassis. The access server is intended for Internet service providers (ISPs), telecommunications carriers, and other service providers that offer managed Internet connections, as well as medium to large sites that provide both digital and analog access to users on an enterprise network. By terminating both analog and digital calls on the same chassis simultaneously, the access server provides a clear, simple, and easy migration path from today's analog dial access services to tomorrow's digital dial access services. System Requirements This section describes system requirements for Release 12.0(2)XD and includes the following sections: • Memory Requirements, page 2 • Hardware Supported, page 3 • Determining Your Cisco IOS Software Release, page 3 • Upgrading to a New Release, page 3 • Modem Code, page 3 • Feature Set Tables, page 4 Memory Requirements Table 1 describes the memory requirements of the Cisco IOS feature sets for the Cisco AS5300 access servers for Release 12.0(2)XD. Flash memory is optional for the Cisco AS5300 images. Table 1 Cisco AS5300 Memory Requirements Required Required Flash DRAM Runs Feature Set Image Name Memory Memory1 From IP c5300-i-mz 8 MB Flash 64 MB DRAM RAM IP Plus c5300-is-mz 8 MB Flash 64 MB DRAM RAM Desktop c5300-d-mz 8 MB Flash 64 MB DRAM RAM Desktop Plus c5300-ds-mz 8 MB Flash 64 MB DRAM RAM Enterprise c5300-j-mz 8 MB Flash 64 MB DRAM RAM Enterprise Plus c5300-js-mz 8 MB Flash 64 MB DRAM RAM 1 64 MB of DRAM is required if you are using the 8 T1/E1 board, but only 32 MB if using the 4 T1/E1 board. 2 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Hardware Supported Hardware Supported Table 2 lists the interface and modem cards supported by the Cisco AS5300. Table 2 Supported Interface and Modem Cards Interface Cards Modem Cards Channelized T1 (4 ports) without serial support MICA modems Channelized T1 (4 ports) with serial (4 ports) support Microcom 56K modems Channelized T1 (8 ports) with serial (4 ports) support Channelized E1 (4 ports) without serial support Channelized E1 (4 ports) with serial (4 ports) support Channelized E1 (8 ports) with serial (4 ports) support Voice over IP (VoIP) Determining Your Cisco IOS Software Release To determine the version of Cisco IOS software currently running on your access server, log in to the Cisco AS5300 and enter the show version EXEC command: router> show version An output begins similar to the following. The Cisco IOS version appears in the second line. Cisco Internetwork Operating System Software IOS (tm) 5300 Software (C5300-JS-M), Version 12.0(2)XD....... Additional command output includes more information, such as processor revision numbers, memory amounts, hardware IDs, and partition information. Upgrading to a New Release At the time of this printing, no product bulletins are available for upgrading to Cisco IOS Release 12.0 T. For generic information on upgrading to a new software release, refer to the Cisco IOS Software Release Upgrade Paths and Packaging Simplification product bulletin located on CCO. • To reach it on CCO, follow this path: Products & Ordering: More Information: Product Bulletins. Scroll to Software. Under Cisco IOS 11.3, click the Upgrade Paths bulletin. The Cisco IOS Software Release Upgrade Paths and Packaging Simplification bulletin does not contain information specific to Cisco IOS Release 12.0 T, but provides generic upgrade information that might apply to Cisco IOS Release 12.0 T. Modem Code Cisco IOS Release 12.0 and later includes bundled modem code, which is the firmware or portware that runs on the MICA 12-port, Microcom 12-port, or MICA 6-port modem cards. Modem code is bundled with the Cisco IOS software image to eliminate the need to store separate modem code. When the access server starts, the Cisco IOS software unpacks the modem code and loads the proper code on the modem cards. Table 3 lists bundled modem code versions. Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 3

System Requirements Table 3 Modem Code and Cisco IOS 12.0 and 12.0T Software Compatibility Matrix Modem Module Bundled Modem Code Cisco IOS 12.0 and 12.0 T Software Microcom modems Microcom version 3.3.20 12.0 and 12.0 T and higher MICA modems MICA portware 12.0 and 12.0 T and higher version 2.5.0.C The show modem mapping command lists all versions of modem code running on the modem modules, residing in system Flash memory, and bundled with Cisco IOS software. Enter the show modem mapping command to determine if you need to update your modem code files. Note The Cisco factory could have installed a later version of modem code than the one bundled with the Cisco IOS software. The factory installs modem code in Flash memory and maps that code to the modems. To understand how Cisco IOS software uses Microcom modem code, see the section “Modem Code” in the Installing 56K 12-Port Modem Modules in Cisco AS5300 Universal Access Servers publication. To understand how Cisco IOS software uses Mica modem code, see the section “Modem Code” in the Installing 6-Port Modules and Carrier Cards in Cisco AS5300 Universal Access Servers publication. The Cisco IOS Software Upgrade Planner on CCO contains information about downloading software. To reach the Cisco IOS Software Upgrade Planner from CCO, click Login on the CCO home page to reach all the information. From the CCO home page, go to the Software Support area, click Software Center, then Cisco IOS Software or New IOS Upgrade Planner Live on CCO. The modem code release notes are on CCO and on the Documentation CD-ROM: • To reach it from CCO, follow this path: Products & Ordering: Cisco Documentation: Access Servers and Access Routers: Access Servers: Cisco AS5300: Modem Information: Firmware/Portware Release Notes • To reach it from the Documentation CD-ROM, follow this path: Cisco Product Documentation: Access Servers and Access Routers: Access Servers: Cisco AS5300: Modem Information: Firmware/Portware Release Notes Feature Set Tables The Cisco IOS software is packaged in feature sets (also called software images) depending on the platform. Each feature set contains a specific set of Cisco IOS features. Table 4 lists the features and feature sets available for the Cisco AS5300, up to and including Cisco IOS Release 12.0(2)XD. Table 4 uses the following terms: • Yes—The feature is supported in the feature set. • No—The feature is not supported in the feature set. 4 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Feature Set Tables Note This feature set table contains only a selected list of features. This table is not a cumulative or complete list of all the features in each image. Table 4 Feature List by Feature Sets Feature Feature Set Enter- IP Desktop Enter- prise IP Plus Desktop Plus prise Plus IBM Support APPN High-Performance Routing No No No No No No APPN MIB Enhancements No No No No No No APPN over Ethernet LAN Emulation No No No No No No APPN Scalability Enhancements No No No No No No Bisync Enhancements: No Yes No Yes Yes Yes — Bisync 3780 Support — BSC Extended Addressing — Block Serial Tunneling (BSTUN) over Frame Relay Cisco MultiPath Channel (CMPC) No No No No No No DLSw+ Enhancements: No Yes No Yes Yes Yes — Backup Peer Extensions for Encapsulation Types — DLSw+ Border Peer Caching — DLSw+ MIB Enhancements — DLSw+ SNA Type of Service — LLC2-to-SDLC Conversion between PU4 Devices — NetBIOS Dial-on-Demand Routing — UDP Unicast Enhancement FRAS Enhancements: No Yes No Yes Yes Yes — FRAS Boundary Network Node Enhancement — FRAS Dial Backup over DLSw+ — FRAS DLCI Backup — FRAS Host — FRAS MIB — SRB over Frame Relay RIF Passthru in DLSw+ No Yes No Yes Yes Yes SRB over FDDI on Cisco 4000-M, No No No No No No 4500-M, and 4700-M Routers TN3270 LU Nailing No No No No No No TN3270 Server Enhancements No No No No No No Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 5

System Requirements Table 4 Feature List by Feature Sets (continued) Feature Feature Set Enter- IP Desktop Enter- prise IP Plus Desktop Plus prise Plus Token Ring LANE No No No No No No Tunneling of Asynchronous Security No Yes No Yes Yes Yes Protocols Internet DRP Server Agent Yes Yes Yes Yes Yes Yes DRP Server Agent Enhancements Yes Yes Yes Yes Yes Yes IP Routing Easy IP (Phase 1) Yes Yes Yes Yes Yes Yes Easy IP (Phase 2) DHCP Server Yes Yes Yes Yes Yes Yes Hot Standby Router Protocol (HSRP) No No Yes Yes Yes Yes over ISL in Virtual LAN Configurations IP Enhanced IGRP Route Yes Yes Yes Yes Yes Yes Authentication PIM Version 2 Yes Yes Yes Yes Yes Yes TCP Enhancements: Yes Yes Yes Yes Yes Yes — TCP Selective Acknowledgment — TCP Timestamp LAN Support AppleTalk Access List Enhancements No No Yes Yes Yes Yes DECnet Accounting No No Yes Yes Yes Yes IPX Named Access Lists No No Yes Yes Yes Yes IPX SAP-after-RIP No No Yes Yes Yes Yes NLSP Enhancements No No No No Yes Yes NLSP Multicast Support No No Yes Yes Yes Yes Management Cisco Call History MIB Command Line Yes Yes Yes Yes Yes Yes Interface Cisco IOS Internationalization Yes Yes Yes Yes Yes Yes Entity MIB, Phase 1 Yes Yes Yes Yes Yes Yes ISDN MIB RFC 2127 Yes Yes Yes Yes Yes Yes SNMPv2C Yes Yes Yes Yes Yes Yes SNMP Inform Requests No No No No Yes Yes Time-Based Access Lists Yes Yes Yes Yes Yes Yes Virtual Profiles Yes Yes Yes Yes Yes Yes VPDN MIB No Yes No Yes Yes Yes VPDN MIB and Syslog Facility No Yes No Yes Yes Yes 6 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Feature Set Tables Table 4 Feature List by Feature Sets (continued) Feature Feature Set Enter- IP Desktop Enter- prise IP Plus Desktop Plus prise Plus Multimedia IP Multicast Load Splitting across Yes Yes Yes Yes Yes Yes Equal-Cost Paths IP Multicast over ATM No No No No No No Point-to-Multipoint Virtual Circuits PIM Version 2 Yes Yes Yes Yes Yes Yes IP Multicast over Token Ring LANs Yes Yes Yes Yes Yes Yes Stub IP Multicast Routing Yes Yes Yes Yes Yes Yes Quality of Service CLI String Search Yes Yes Yes Yes Yes Yes RTP Header Compression Yes Yes Yes Yes Yes Yes Security Automated Double Authentication Yes Yes Yes Yes Yes Yes Certificate Authority Interoperability No No No No No No Double Authentication Yes Yes Yes Yes Yes Yes Encrypted Kerberized Telnet No No No No No No HTTP Security Yes Yes Yes Yes Yes Yes Internet Key Exchange Security No No No No No No Protocol IPSec Network Security No No No No No No MS-CHAP Support No No No No Yes Yes Named Method Lists for AAA Yes Yes Yes Yes Yes Yes Authentication and Accounting Per-User Configuration Yes Yes Yes Yes Yes Yes Reflexive Access Lists Yes Yes Yes Yes Yes Yes TCP Intercept No No No No Yes Yes Vendor-Proprietary RADIUS Attributes Yes Yes Yes Yes Yes Yes Vendor-Proprietary RADIUS Yes Yes Yes Yes Yes Yes —Additional Attributes Switching AppleTalk Routing over ISL and IEEE No No Yes Yes Yes Yes 802.10 in Virtual LANs CLNS and DECnet Fast Switching over No No No No Yes Yes PPP Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 7

System Requirements Table 4 Feature List by Feature Sets (continued) Feature Feature Set Enter- IP Desktop Enter- prise IP Plus Desktop Plus prise Plus DECnet/VINES/XNS over ISL: No No No No Yes Yes — Banyan VINES Routing over ISL Virtual LANs — DECnet Routing over ISL Virtual LANs — XNS Routing over ISL Virtual LANs Fast-Switched Policy Routing Yes Yes Yes Yes Yes Yes IPX Routing over ISL Virtual LANs No No Yes Yes Yes Yes VIP Distributed Switching Support for No No No No No No IP Encapsulated in ISL Terminal Services Telnet Extensions for Dialout Yes Yes Yes Yes Yes Yes Virtual Templates for Protocol No No No No Yes Yes Translation WAN Optimization ATM MIB Enhancements No No No No No No PAD Enhancements No No No No Yes Yes PAD Subaddressing Yes Yes Yes Yes Yes Yes WAN Services Always On/Dynamic ISDN (AO/DI) No No No No Yes Yes Bandwidth Allocation Control Protocol Yes Yes Yes Yes Yes Yes Dialer Watch Yes Yes Yes Yes Yes Yes E1 R2 Country Support1 Yes Yes Yes Yes Yes Yes E1 R1 Support for only Taiwan2 Yes Yes Yes Yes Yes Yes Enhanced Local Management Interface Yes Yes Yes Yes Yes Yes (ELMI) Frame Relay Enhancements Yes Yes Yes Yes Yes Yes Frame Relay MIB Extensions Yes Yes Yes Yes Yes Yes Frame Relay Router ForeSight Yes Yes Yes Yes Yes Yes ISDN Advice of Charge Yes Yes Yes Yes Yes Yes ISDN Caller ID Callback Yes Yes Yes Yes Yes Yes ISDN NFAS Yes Yes Yes Yes Yes Yes Layer 2 Forwarding—Fast Switching No Yes No Yes Yes Yes Leased-Line ISDN at 128 kbps No No No No No No Microsoft Point-to-Point Compression Yes Yes Yes Yes Yes Yes (MPPC) MS Callback Yes Yes Yes Yes Yes Yes 8 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

New and Changed Information Table 4 Feature List by Feature Sets (continued) Feature Feature Set Enter- IP Desktop Enter- prise IP Plus Desktop Plus prise Plus Modem Management Enhancements Yes Yes Yes Yes Yes Yes Multiple ISDN Switch Types Yes Yes Yes Yes Yes Yes National ISDN Switch Types for BRI Yes Yes Yes Yes Yes Yes and PRI Interfaces (NI2) PPP over ATM No No No No No No Stackable Home Gateway No Yes No Yes Yes Yes Switched 56K Digital Connections Yes Yes Yes Yes Yes Yes Telnet Extensions for Dialout No Yes No Yes Yes Yes X.25 Enhancements Yes Yes Yes Yes Yes Yes X.25 on ISDN Yes Yes Yes Yes Yes Yes X.25 Switching between PVCs and Yes Yes Yes Yes Yes Yes SVCs X.28 Emulation Yes Yes Yes Yes Yes Yes 1 E1 R2 country support requires specific versions of Mica portware. For details, see the Mica portware release notes, which are available on CCO in the Software Center. Note that country support varies with the portware release level, and the release notes provide a list of countries. 2 E1 R1 signaling support for Taiwan requires MICA portware version 2.3.1.0. New and Changed Information This section lists new features available for the Cisco AS5300 in Cisco IOS Release 12.0(2)XD and the Cisco IOS Release 12.0(1)T software. To locate the online documentation about these features, refer to the “Feature Modules” section on page 16. New Features in Cisco IOS Release 12.0(2)XD The following new features are available for the Cisco AS5300 in Cisco IOS Release 12.0(2)XD. 8 E1/T1 and 240 Modem Upgrade This doubles the density of the AS5300 from 4 to 8 E1/T1s plus 4 T serial interfaces and 240 modems. There is a new Octal PRI card and a new Amazon II modem card with DMM modems. The software contains new drivers for the serial interfaces, E1/T1, firmware for the new Framer chips, and general upscaling for the interfaces. Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 9

New and Changed Information New Feature Boards Supported The following feature boards are supported in the Cisco IOS Release 12.0(2)XD: • Channelized T1 (4 ports) with serial (4 ports) support • Channelized E1 (4 ports) with serial (4 ports) support • Channelized T1 (8 ports) with serial (4 ports) support • Channelized E1 (8 ports) with serial (4 ports) support • Mica modems carrier card with DMMs (up to 120 modems in each card) New Features in Cisco IOS Release 12.0(1)T The following new features are available for the Cisco AS5300 in Cisco IOS Release 12.0(1)T. To locate the online documentation about these features, refer to the “Feature Modules” section on page 16. CLI String Search The Command Line Interface (CLI) String Search feature allows you to search or filter the output of any show or more command. This is useful when you need to sort though large amounts of output or if you want to exclude output that you do not need to see. CLI String Search also allows for searching and filtering at --More-- paging prompts. With the search function, you can begin unfiltered output at the first line that contains a regular expression you specify. You can specify a maximum of one filter per command to either include or exclude output lines that contain the specified regular expression. A regular expression is any word, phrase, number, or other type of information that appears in show or more command output. Easy IP Phase 2-DHCP Server With the introduction of Easy IP Phase 2, Cisco IOS software also supports Intelligent DHCP Relay functionality. A DHCP Relay Agent is any host that forwards DHCP packets between clients and servers. A DHCP Relay Agent enables the client and server to reside on separate subnets. If the Cisco IOS DHCP server cannot satisfy a DHCP request from its own database, it can forward the DHCP request to one or more secondary DHCP servers defined by the network administrator using standard Cisco IOS IP helper-address functionality. ISDN MIB RFC 2127 The new Integrated Services Digital Network (ISDN) Management Information Base (MIB) RFC 2127 has been designed to provide useful information in accordance with the IETF’s new standard for the management of ISDN interfaces. It controls all aspects of ISDN interfaces. RFC 2127 provides information on the physical Basic Rate Interfaces (BRIs), control and statistical information for B (bearer) and D (signaling) channels, terminal endpoints, and directory numbers. The ISDN MIB RFC 2127 controls all aspects of ISDN interfaces. It consists of five groups: • ISDN Physical Interface Group • B (Bearer) Channel Group • D (Signaling) Channel Group 10 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Caveats • Terminal Endpoint Group • Directory Number Group (optional) The ISDN MIB RFC 2127 enables you to use any commercial SNMP network management application to support ISDN call processing in Cisco IOS software. You can integrate management of dial access products using ISDN with your existing network management systems. Time-Based Access Lists It is now possible to implement access lists based on the time of day. To do so, create a time range that defines specific times of the day and week. The time range is identified by a name, and then referenced by a function, so that those time restrictions are imposed on the function itself. Currently, IP and IPX extended access lists are the only functions that can use time ranges. The time range allows the network administrator to define when the permit or deny statements in the access list are in effect. Prior to this feature, access list statements were continuously in effect after they had been applied. Both named or numbered access lists can reference a time range. Caveats This section contains the open caveats for the current Cisco IOS maintenance release only. The software caveats are also located in the Caveats for Cisco IOS Release 12.0 T document that accompanies these release notes.The caveats document is located on CCO and the Documentation CD-ROM. Note If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. Bug Navigator II is at http://www.cisco.com/support/bugtools, or from CCO, select Software & Support: Technical Tools: Bug Toolkit II Open Caveats – Release 12.0(2)XD This section describes possibly unexpected behavior by Release 12.0(2)XD. Unless otherwise noted, these caveats apply to all 12.0 releases up to and including 12.0(2)XD. Basic System Services • CSCdk51491 Configuring the layer3 switching with access filter in and out on the hssi interface with the Frame relay ietf encap, then try to configure the smds encap will cause the router to crash. • CSCdk66827 When configuring a mc3810 for CCS cross-connect, it’s possible that calls will stop getting connected after a period of time. DECnet • CSCdk65997 This problem is specific to the RSM platform and for DECnet over VLANs. The code for DECnet support over VLANs uses a cache to store VLAN-header information, and this cache is used in the fast-switch path. Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 11

Caveats When there is a routing topology change, the fast-switching code continues to look at the stale cache entry, and as a result, packets destined via the new route end up getting black-holed. The work-around is to disable DECnet fast-switching on the relevant interface. IBM Connectivity • CSCdk77166 Router running DLSw with FST/Direct/LLC2(Lite) encapsulations could crash. Workaround for this is to use DLSw with TCP encapsulation. Interfaces and Bridging • CSCdj43445 FDDI PA will now have a software address filter at VIP level to filter out unwanted multicast packets. This helps performance and also unnecessary entries in netflow tables. • CSCdk66019 If “no keepalive” (or 0 keepalive) is configured on fastethernet, the line will stay up even though the MII is removed or the cable is disconnected. If the interface is then reconfigured with “keepalive” (of non-zero value) while the physical media stayed down, the link would still indicate up. The only workaround is by doing a shut/no shut, or clear interface command. • CSCdk74431 A large packet sent over a MLP bundle of over 2 links with VPDN on a ATM PPP tunnel on a ATM-Lite interface will be corrupted sometimes. A workaround is to disable the fastswitching on the ATM-lite interface. IP Routing Protocols • CSCdj88650 If ospf has both an external and a summary route to the same network and a partial spf run deletes the summary route, the external route will not be installed. The external LSA may have the routing bit set, even if it is not installed in the routing table. This is caused by a failure to reset the external’s routing bit when the summary route replaces the external route in the ip routing table. The following sequence of events illustrates the problem, given external and summary routes to network 1.0.0.0: 1. ospf installs external route to 1.0.0.0. The external LSA for 1.0.0.0 has its routing bit set 2. ospf installs summary route to 1.0.0.0, replacing the external route. The routing bit is not reset on the external LSA for 1.0.0.0. 3. ospf performs a partial spf to remove the summary route to 1.0.0.0. The external route to 1.0.0.0 is not installed. To add to the confusion, the routing bit is still set on the external LSA for 1.0.0.0. A’clear ip route *’ will force the installation of the external route. Alternatively, a’clear ip ospf redist’ at the router that originates the external route will trigger installation of the external route. • CSCdk30085 Guaranteed service flowspec in RSVP RESV messages must contain certain fields within a certain range (as indicated by RFC 2212). This fix puts these checks in the code 12 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Open Caveats – Release 12.0(2)XD • CSCdk66969 With sync and certain topologies, some bgp routes may not get advertised after peer reset. The workaround is to configure “no sync”, or “clear ip bgp x.x.x.x”. ISO CLNS • CSCdk36270 On all platforms which do not use the old mci controller, fast-switching of clns traffic with non-zero N-Selector does not work. Miscellaneous • CSCdi72371 When running 2523 and 2524 serial ports in asynchronous mode, modem control is only supported when using DTE style 5-in-1 cables (in order to connect to DCE devices). The DCE 5-in-1 cable (in order to connect to DTE devices) will not support modem control for the asynchronous mode. In order to support DTE devices with modem control, it is required to use the DTE style cables with a null modem adapter. • CSCdk29115 When you configure Bisync (encapsulation bstun) with the ASCII character set (bsc char-set ascii) on the first port of a serial WIC (1T, 2T, or 2A/S) in WIC slot 0 of a Cisco 2600 series router, only the first character of each frame is received, and the BSTUN tunnel is not established. This only affects Bisync mode when it is configured with the ASCII character set. Other encapsulations are not affected, and using the EBCDIC character set with Bisync works correctly. For the first serial port in WIC slot 0, the parity detection is not configured correctly for Bisync in ASCII mode. The first character of each frame generates a parity error that causes the receiver to discard the frame after the first character received. Workaround: Use a different serial port: either the second serial port (port 1) on a 2T or 2A/S WIC in WIC slot 0 or any serial port in WIC slot 1. If you have only one serial WIC, moving it from WIC slot 0 to WIC slot 1 fixes this problem. • CSCdk42816 When running Tag Switching and CEF on an Ethernet interface, it is possible for the interface to get into a state where the IP packets are not forwarded properly. The problem occurs when a CEF entry is improperly pointing at a Tag data structure. To check whether this is the problem, do show adjacency detail for the next hop on the failing route. In the failure case, the packet counts on the “IP” adjacency will not be increasing, but those on the “TAG” one will. Workaround: disable Tag switching on the interface • CSCdk46820 When enrolling certificate with Entrust VPN, you might fail to get CA certificates. So far, this problem only happened on the Cisco 2500 platform and there is no work around. Please upgrade to the next build. Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 13

Resolved Caveats – Release 12.0 T • CSCdk46853 In Release 11.2P and 11.3 when Fast Ethernet subinterfaces are configured for encryption, if the crypto map is only applied to the main interface and the IP address is configured in the subinterface, the packets could be switched in the clear. In Release 12.0, enabling CEF could cause the packets to get dropped. • CSCdk59049 When you run TRISL to a Cisco 7000 family router, some frames larger than 1535 bytes might not be forwarded. This condition occurs when you run TRISL between two VLANs that are on switches. Workaround: Do not use TRISL. Use an external device to router or bridge between the two different VLANs. Or modify the end devices so that they do not send packets larger than 1500 bytes. • CSCdk59879 From enclosure: Release-note A Cisco 1600 router or Cisco 3600 series router will reload when IPSEC is configured over the ISDN link. This condition is caused by the IP route-cache that is enabled by default on all interfaces. The workaround is to turn off fast switching with the no ip route-cache command on the ISDN interfaces. From enclosure: Release-note-2 This crash has also been seen on the 3600 platform. • CSCdk77426 If a UDP packet with an invalid length is sent to port 514 (the “syslog” port) on an IOS device, the device is likely to crash, possibly without saving a stack trace. Such packets are sent by the popular “nmap” port scanning program. Wide-Area Networking • CSCdk70026 StatusMsg with endpointRef is not processed in multipoint state table. This could result in releasing multipoint vc. Resolved Caveats – Release 12.0 T All the caveats listed in this section are resolved in release 12.0(2)T. IP Routing Protocols • CSCdk37843 workaround: The workaround is to configure “router rip” on the router first, before configuring the address on the interface. 14 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Related Documentation Miscellaneous • CSCdk38476 RADIUS accounting does not work if you have separate authentication and accounting servers. • CSCdk41902 An IP client might not be able to ping the Route Switch Module (RSM). This situation might occur during Token-Ring Virtual LAN (TR VLAN) configuration on the RSM. It is most common when the IP client sends an address resolution protocol (ARP) without a routing information field (RIF), then sends an ARP with a RIF. The situation might also occur if the concentrator relay function (CRF), to which the client is connected, is configured for source-route bridging (SRB). Workaround: Change the CRF mode from SRB to source-route transparent (SRT) bridging. Novell IPX, XNS, and Apollo Domain • CSCdk52372 The Internetwork Packet Exchange (IPX) input process might run out of stack, causing a system reload or reduced performance. There is no workaround. Related Documentation This section describes the documentation related to this IOS release and the Cisco AS5300, including • “Release-Specific Documents” section on page 15 • “Platform Documents” section on page 16 • “Feature Modules” section on page 16 • “Cisco IOS Software Documents” section on page 16 Documentation is generally available as printed manuals or electronic documents; the feature modules that are available online only. The most up-to-date documentation can be found on the Web via Cisco Connection Online (CCO) and on the latest Documentation CD-ROM. These electronic documents might contain updates and modifications made after the paper documents were printed. For information on CCO, refer to the “Cisco Connection Online” section on page 20. For more information on the CD-ROM, refer to the “Documentation CD-ROM” section on page 21. Release-Specific Documents Use these release notes with: • The Caveats for Cisco IOS Release 12.0 T document, which contains a list of software caveats that apply to all maintenance releases of 12.0 T. This document accompanies these release notes in hardcopy form, and is also located on Cisco Connection Online (CCO) and the Documentation CD-ROM. • Cross-platform Release Notes for Cisco IOS Release 12.0 document, which contains some feature and caveat information applicable to Cisco IOS Release 12.0(1), located on CCO and the Documentation CD-ROM. Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 15

Related Documentation • Product bulletins; the path from Cisco Connection Online follows: Products & Ordering: More Information: Product Bulletins. Scroll to Software. At the time of this printing, no product bulletins are provided for Cisco IOS Release 12.0, although this will change as this release matures. Platform Documents The following Cisco AS5300 documents are available: • Cisco AS5300 Universal Access Server Hardware Installation Guide • Cisco AS5300 Universal Access Server Software Configuration Guide • New and Changed Cisco IOS Commands for the Cisco AS5300 • Modem information—firmware and portware release notes, FAQs (frequently asked questions) • Regulatory Compliance and Safety Information • Documentation for spare parts This documentation can be found on CCO and on the Documentation CD-ROM: • On Cisco Connection Online (CCO), the path is Software & Support: Cisco Documentation: Access Servers and Access Routers: Access Servers: Cisco AS5300. For more information, refer to “Documentation CD-ROM,” page 21. • On the Documentation CD, the path is Access Servers and Access Routers: Access Servers: Cisco AS5300. For more information, refer to “Documentation CD-ROM,” page 21. Feature Modules Feature modules describe new features introduced during the Cisco IOS 12.0 T releases and are updates to the Cisco IOS documentation set. As updates, the feature modules are only available online. The feature module information will be added to the Cisco IOS documentation set before the next printing of the documentation set. Feature modules include a brief overview of the feature, benefits, configuration tasks, and command reference details. To reach the Cisco IOS Release 12.0 T feature modules on CCO, follow this path: Products & Ordering: Cisco Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: New Feature Documentation. To reach the feature modules on the Documentation CD-ROM, follow this path: Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: New Feature Documentation. Cisco IOS Software Documents The following are some of the Cisco IOS Release document types that are available in electronic form, printed form, or both forms: • Configuration guides and command references (electronic and printed) • Feature modules that apply to Technology (T) trains only (electronic); see the “Feature Modules” section on page 16 for more information. 16 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Cisco IOS Software Documents • Product-specific release notes (electronic and printed); see the “Release-Specific Documents” section on page 15 for more information. • Cisco IOS software caveats (electronic and printed); see the “Caveats” section on page 11 for more information. Table 5 lists the Cisco IOS software documentation set that contains Cisco IOS configuration guides, command references, and several supporting documents. The document set is available in electronic form, and is also available in printed form if you special order it. Note The most current Cisco IOS documentation can be found on the latest Documentation CD-ROM and on the Web. These electronic documents contain updates and modifications made after the paper documents were printed. Documentation Modules Each module in the Cisco IOS documentation set consists of two books: a configuration guide and a corresponding command reference. Chapters in a configuration guide describe protocols, configuration tasks, and Cisco IOS software functionality and contain comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Each configuration guide can be used in conjunction with its corresponding command reference. Master Indexes Two master indexes provide indexing information for the Cisco IOS software documentation set: an index for the configuration guides and an index for the command references. In addition, individual books contain a book-specific index. To reach hot-linked master indexes for configuration guide and command reference documentation, follow this path on CCO or the Documentation CD-ROM: Software & Support: Documentation: Cisco Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.0: Configuration Guides and Command References: Configuration Guide Master Index or Command Reference Master Index To reach documentation related to an index entry, click on the page number following the entry. Cisco IOS Documentation Set The Cisco IOS Software Release 12.0 documentation set consists of the following books and chapter topics. Table 5 Cisco IOS Software Documentation Set for Release 12.0 Books Chapter Topics • Configuration Fundamentals Configuration Guide Configuration Fundamentals Overview • Configuration Fundamentals Command Reference Cisco IOS User Interfaces File Management System Management Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 17

Related Documentation Table 5 Cisco IOS Software Documentation Set for Release 12.0 (continued) Books Chapter Topics • Bridging and IBM Networking Configuration Guide Transparent Bridging • Bridging and IBM Networking Command Reference Source-Route Bridging Token Ring Inter-Switch Link Remote Source-Route Bridging DLSw+ STUN and BSTUN LLC2 and SDLC IBM Network Media Translation DSPU and SNA Service Point SNA Frame Relay Access Support APPN NCIA Client/Server Topologies Cisco Mainframe Channel Connection Airline Product Set • Dial Solutions Configuration Guide Dial-In Port Setup • Dial Solutions Command Reference Dial-In Terminal Services Dial-on-Demand Routing (DDR) Dial Backup Dial-Out Modem Pooling Large-Scale Dial Solutions Cost-Control Solutions ISDN X.25 over ISDN VPDN Dial Business Solutions and Examples • Cisco IOS Interface Configuration Guide Interface Configuration Overview • Cisco IOS Interface Command Reference • Network Protocols Configuration Guide, Part 1 IP Addressing • Network Protocols Command Reference, Part 1 IP Services IP Routing Protocols • Network Protocols Configuration Guide, Part 2 AppleTalk • Network Protocols Command Reference, Part 2 Novell IPX • Network Protocols Configuration Guide, Part 3 Apollo Domain • Network Protocols Command Reference, Part 3 Banyan VINES DECnet ISO CLNS XNS • Security Configuration Guide AAA Security Services • Security Command Reference Security Server Protocols Traffic Filtering and Firewalls IP Security and Encryption Passwords and Privileges Neighbor Router Authentication IP Security Options • Cisco IOS Switching Services Configuration Guide Switching Paths for IP Networks • Cisco IOS Switching Services Command Reference Virtual LAN (VLAN) Switching and Routing • Wide-Area Networking Configuration Guide ATM • Wide-Area Networking Command Reference Frame Relay SMDS X.25 and LAPB 18 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Service and Support Table 5 Cisco IOS Software Documentation Set for Release 12.0 (continued) Books Chapter Topics • Voice, Video, and Home Applications Configuration Guide Voice over IP • Voice, Video, and Home Applications Command Reference Voice over Frame Relay Voice over ATM Voice over HDLC Video Support Universal Broadband Features • Quality of Service Solutions Configuration Guide1 Classification • Quality of Service Solutions Command Reference 1 Scheduling Packet Drop Traffic Shaping ATM QoS SNA QoS Line Protocols • Cisco IOS Software Command Summary • Dial Solutions Quick Configuration Guide • System Error Messages • Debug Command Reference 1 This book will not be available until January 1999. Note The Cisco Management Information Base (MIB) User Quick Reference publication is no longer being published. For the latest list of MIBs supported by Cisco, see the Cisco Network Management Toolkit on Cisco Connection Online. On CCO, go to Software & Support: Software Center: Network Management Products: Cisco Network Management Toolkit: Cisco MIBs. Service and Support For service and support for a product purchased from a reseller, contact the reseller. Resellers offer a wide variety of Cisco service and support programs, which are described in the section “Service and Support” in the information packet that ships with each product. For service and support for a product purchased directly from Cisco, use CCO. The Cisco IOS Software Upgrade Planner on CCO contains information about downloading software. To reach the Cisco IOS Software Upgrade Planner from CCO, be sure to click on Login on the CCO home page to get access to all information. From the CCO home page, go to the Software Support area, click Software Center, then either Cisco IOS Software or New IOS Upgrade Planner Live on CCO. Software Configuration Tips on the Cisco TAC Home Page The following URL contains links to reach helpful tips on configuring your Cisco products: http://www.cisco.com/kobayashi/serv_tips.shtml This URL is subject to change without notice. If it changes, point your web browser to http://www.cisco.com/, and follow this path: Software & Support, Technical Tips (button on left margin). Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 19

Cisco Connection Online “Hot Tips” are popular tips and hints gathered from the Cisco Technical Assistance Center (TAC). Most of these documents are available from the TAC fax-on-demand service. To reach fax-on-demand and receive documents at your fax machine from the USA, call 888-50-CISCO (888-502-4726). From other areas, call 415-596-4408. The following sections are provided from the Technical Tips page: • Field Notices—Designed to provide notification of any critical issues regarding Cisco products. These include problem descriptions, safety or security issues, and hardware defects. • Hardware—Technical Tips related to specific hardware platforms. • Internetworking Features—Tips on using and deploying Cisco IOS software features and services. • Sample Configurations—Actual configuration examples complete with topology and annotations. • Software Products—Such as MultiNet & Cisco Suite 100, Network Management, and Cisco IOS Software Bulletins. • Special Collections—Other Helpful Documents, Frequently Asked Questions, Security Advisories, References & RFCs, and Case Studies. Cisco Connection Online Cisco Connection Online (CCO) is Cisco Systems’ primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services. Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco’s customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files. CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information. You can reach CCO in the following ways: • WWW: http://www.cisco.com • WWW: http://www-europe.cisco.com • WWW: http://www-china.cisco.com • Telnet: cco.cisco.com • Modem: From North America, 408 526-8070; from Europe, 33 1 64 46 40 82. Use the following terminal settings: VT100 emulation; databits: 8; parity: none; stop bits: 1; and connection rates up to 28.8 kbps. 20 Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

Documentation CD-ROM For a copy of CCO’s Frequently Asked Questions (FAQ), contact [email protected]. For additional information, contact [email protected]. If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco’s Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or [email protected]. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or [email protected]. Documentation CD-ROM Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more current than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also reach Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com. If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco. We appreciate your comments. This document is to be used in conjunction with the documents in the “Related Documentation”section of this publication. AccessPath, Any to Any, AtmDirector, the CCIE logo, CD-PAC, Centri, the Cisco Capital logo, CiscoLink, the Cisco Management Connection logo, the Cisco NetWorks logo, the Cisco Powered Network logo, the Cisco Press logo, the Cisco Technologies logo, ClickStart, ControlStream, DAGAZ, Fast Step, FireRunner, IGX, IOS, JumpStart, Kernel Proxy, LoopRunner, MGX, Natural Network Viewer, NetRanger, NetRanger Director, NetRanger Sensor, NetSonar, Packet, PIX, Point and Click Internetworking, Policy Builder, Precept, RouteStream, Secure Script, SMARTnet, SpeedRunner, Stratm, StreamView, The Cell, TrafficDirector, TransPath, ViewRunner, VirtualStream, VlanDirector, Workgroup Director, and Workgroup Stack are trademarks; Changing the Way We Work, Live, Play, and Learn, Empowering the Internet Generation, The Internet Economy, and The New Internet Economy are service marks; and BPX, Catalyst, Cisco, Cisco IOS, the Cisco IOS logo, Cisco Systems, the Cisco Systems logo, Enterprise/Solver, EtherChannel, FastHub, ForeSight, FragmentFree, IP/TV, IPX, LightStream, LightSwitch, MICA, Phase/IP, StrataSphere, StrataView Plus, and SwitchProbe are registered trademarks of Cisco Systems, Inc. in the U.S. and certain other countries. All other trademarks mentioned in this document are the property of their respective owners. (9811R) Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD 21

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Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD

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Release Notes for Cisco AS5300 for Cisco IOS Release 12.0(2)XD Document Transcript