Cisco is a major provider of switches and routers to most medium and large companies. Cisco devices often run IOS or NX-OS. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.
3
votes
1answer
11 views
ASA FTP Special Character in password issue
I am trying to copy a show tech from an ASA to a remote server via FTP.
My issue is that the password I am providing has a '@' and it is being interpreted incorrectly by the CLI. I have tried putting ...
5
votes
2answers
27 views
ASR1K feature licensing navigation
I'm looking at deploying a pair of ASR1001 units at the WAN edge to support 2x IP Transit and 1x Peering services.
I need to do IPV4 and IPV6 eBGP and iBGP to advertise the peering routes into the ...
6
votes
2answers
55 views
How to host server in DMZ zone of an ASA
I have an ASA5525-X with 9.1.2. On it are several interfaces, but primarily I'm looking at:
(fake subnets)
inside 10.0.0.0/24, security level 100
outside 10.0.200.0/24, security level 0
DMZ ...
6
votes
1answer
41 views
WS-X45-SUP6-E / WS-X45-SUP7-E compatibility w/4510R (non-E)
The EOL announcement for the Cisco WS-X4516 on a 4510R (non-E series chassis) states that the WS-X45-SUP6-E is a replacement though this SUP is for the E-series chassis. Incidentially, the SUP6 is ...
6
votes
2answers
109 views
Is 802.11k a security risk?
I'm looking at enabling 802.11k on my Cisco WLC. I see that it is a per-WLAN feature and that leads me to wonder if there might be any reason to not enable it? Specifically, does anyone know if there ...
12
votes
3answers
214 views
Backing up Cisco router configuration - including ssh keys
We have some Cisco 2821, 2921 and 1921 routers in our shop. I can back up and restore the configurations by copying out or in the startup-config file, but what about the keys for ssh? I don't want ...
1
vote
0answers
52 views
Pass DHCP / multicast traffic for IPTV through Cisco 887VA-M to the decoder
I'm trying to setup a Cisco router at home. The VDSL connection to the internet is working. Another subinterface on the Uplink is foreseen for IPTV, but I don't know how to bridge it the right way to ...
3
votes
3answers
45 views
Cisco IP Phone 7900 Series - Auth Fail on boot
I have several hundred Cisco 7900 series IP phones, (7911, 7942, and 7962 models) that have been sitting on the shelf as replacement stock for several years.
Now as we deploy them, we are ...
4
votes
1answer
48 views
How do I create an SSL CSR via CLI for Cisco Prime?
I'm trying to create a csr for a cisco prime server.
I managed to create a csr and put it in the "defaultRepo", which is local on the disk. After what I've read I need to create a certificate repo ...
5
votes
1answer
65 views
Why there is a maximum of 4096 queues in WFQ?
In QoS there is a variety of Queuing methods and one of them is WFQ, which organizes the flows in different queues where each queue has a weight that determines which flow will go first.
Now for ...
-1
votes
0answers
40 views
CISCO Embedded SW RAID Question [closed]
I'am going to order CISCO UCS C220 M3 server with Embedded SW RAID 0/1/10/5 (UCSC-RAID-ROM55), 8 ports SAS/SATA. According to descrption it is software raid controller.
To create virtual disk (RAID-5 ...
8
votes
1answer
109 views
Using RADIUS to restrict SSID on Cisco Aironet
I would like to use my RADIUS server to restrict access to configured SSID on a per user basis.
According to the documentation linked above i add the following attribute to a test user:
ospite-5vh ...
4
votes
2answers
135 views
How do you configure a Lan to Lan VPN without using your outside interface IP address?
I have two /28 subnets A & B.
My main vpn peer ip is in subnet A, it is also my outside interface address.
I have free IP's in subnets A and B and id like to use one of them to host lan to lan ...
0
votes
1answer
59 views
How to select an IOS update (cisco)? [duplicate]
1) Without a particular version in mind - How do you asses if you need to update or not?
2) How do you go about selecting the best IOS version to be on after you determine you need to update?
3) If ...
8
votes
1answer
104 views
Is ATM still used as a transport protocol?
In addition to reading new material, I enjoy reading older networking books in attempt to see where we've come from and possibly where we're going. Currently, I'm reading a book called Cisco LAN ...
7
votes
3answers
91 views
how to get scp via snmp to work with cisco routers?
I have a lab setup where I'm trying to use SCP via SNMP to a cisco router.I found some online documentation such as: http://ccie20728.wordpress.com/2008/05/20/get-the-cisco-configuration-over-snmp/
...
8
votes
1answer
78 views
How can I make a PVST+ switch root towards MST network?
In a network where the majority of the switches are running MST but a select few are still running PVST+, how can the PVST+ switch be configured to be the root of the spanning tree? Topology below:
...
3
votes
2answers
96 views
How do I set up secure remote access to my home lab network?
My current setup is the following:
ATT ISP ---- ATT wireless router ---- cisco 890 wireless router
My cisco 890 is for internet and remote VPN access from home to my company, however, I don't have ...
-2
votes
1answer
109 views
Is Cisco Certified personnel able to handle other brands? [closed]
I'm just new in this forum. I'm planning for CCNA/CCNP and further for VoIP. However, I can see the rise of other brands in market especially Huwawei, Juniper, HP, while loss of Cisco in market share.
...
8
votes
2answers
126 views
How to handle performance degradation deep in your provider's network?
What are some possible ways to detect packet loss deep in a provider's network that is several hops away? With multiple providers peered over BGP on our Internet edge routers, I need to be able to ...
7
votes
2answers
91 views
Determining optimal bandwidth needs for the office
We're currently using the Cisco 1921/K9 router along with SG300 L3 switch and other L2 switches in the office environment. We're hooked up to a 10M fiber line for internet but not sure if we need that ...
5
votes
3answers
126 views
Inbound BGP load-balancing from same ISP router
I have two BGP routers for DIA with an issue with one provider in that the two links to this provider land on the same SP router. My ethernet handoffs via two separate MetroE links from another ...
-4
votes
0answers
40 views
Packet Tracer Creating lots of PCs [closed]
I have a assignment where I must create lots of machines like the following:
http://i.stack.imgur.com/NuJw2.png
How would I best go about creating more without needing to rename each indivisual ...
8
votes
3answers
113 views
Cisco 2901 - Determine if bundled T1s are up based on bandwidth?
I have a Cisco 2901 at a remote branch office connected via ge0/1 to an Adtran that is managed by TW Telecom with 8 T1s bundled together for an MPLS circuit.
I don't have access to the Adtran gear, ...
5
votes
0answers
73 views
VM on a client connected to a Cisco 1262 unable to DHCP (but IPv6 works fine)
I recently replaced wireless at a site from the internal AP on an 877-WM with a (standalone) 1262 running 15.2(2)JB. I've configured the AP pretty much the same as I always do for Cisco AP's for ...
7
votes
3answers
230 views
Traffic Policing
I know traffic policing isn't something that you normally find in a LAN environment, and I wish I wouldn't be finding it in mine. That being said... I have no choice.
The device is a 3750X. The ...
8
votes
3answers
88 views
How does one specify certain IPs or MAC addresses for NBAR policy enforcement?
In an office environment, if I wanted to block youtube using a Cisco ISR router, I would set up the following with NBAR:
class-map match-all YOUTUBE
match protocol http host "*youtube.com*"
!
...
2
votes
2answers
62 views
Difference between MSC-A, MSC-B and FP-40
What's the difference between
MSC-A
MSC-B
FP-40
on a CRS-1 8-S?
2
votes
2answers
68 views
Setting the same gateway address at a DR site as our main site
I have a question about routed traffic across a site to site VPN between 2 Cisco ASA 5510's. We have our office side and our DR side and the question is could I have an IP conflict of gateway IP ...
4
votes
1answer
80 views
Migrating from PIX/VPN 3000 to ASA
In a project to replace the last Cisco PIXes and VPN 3000 Concentrators we have [finally], I've already spec'd out the new ASA 5515-X and 5545-X's. I have no experience with the X models; only exp ...
-4
votes
0answers
55 views
what is a good diagram for simulating a whole picture of network in dynamips or GNS? [closed]
would like to make a network having redundancy switching network, EIGRP, OSPF, DMZ, VPN in one simulation to be like a real world practice for a company
bonus is for tuning practice and performance ...
9
votes
3answers
225 views
What is the meaning of RSSI?
When using mobile 3G routers, you see in the output of the "show cellullar 0 all" command. What is the significance of this value? Is this interpretation the same when talking about 2G or 3G?
Ex:
...
5
votes
1answer
38 views
Configure External Interface for DHCPv6 client on Cisco IOS
What are the necessary steps to configure IOS 12.4(25f) to support IPv6? Comcast is the ISP, and I'll be using a Server 2012 box for internal DHCPv6.
I'll need to grab a DHCPv6 address from Comcast ...
0
votes
0answers
43 views
Rate Based Satellite Control Protocol [closed]
Has anyone ever experimented with Cisco's RBSCP?
Rate Based Satellite Control Protocol
There is very little blogs and POC's using this GRE protocol and I am curious if anyone has come across it.
...
6
votes
3answers
86 views
Setting up DHCP server on the router or on the switch?
We're using the Cisco 1921/K9 with a SG300 L3 switch. Does one set up DHCP server on the router or on the SG300? If both is capable, what is the reason to choose one over the other?
Note: I have 4 ...
5
votes
1answer
87 views
Why have all my lab routers set their OSPF priority to 0?
I have 4 routers in my lab. FR1 is the frame relay switch (2621), R1(2621), R2(2651) & R3(2651) are all connected in a mesh using sub interfaces - R1 has pvc to R2&R3 and so on. Without OSPF I ...
5
votes
2answers
95 views
Does 2504 WLC support LAG?
I am finding some contradictions in Cisco documentation about the LAG support in 2504 WLC. On one hand, the Cisco 2500 Series Wireless Controller Deployment Guide clearly states:
Note: Link ...
6
votes
4answers
160 views
Website filtering via IOS
Our office network uses the 1921/K9 router along with SG300 L3 switch (and a few other L2 switches) all with base modules. If we wanted to block employees from visiting certain websites, what would be ...
12
votes
3answers
414 views
What happens when 2 computers transmits at the same time to a 3rd one in a full duplex switch?
Consider the following scenario:
I have 2 PC's (PC1 and PC2) that wants to transmit at the same time to PC3 in a full duplex ethernet switch. Let's consider that all ports are in the same VLAN, so ...
10
votes
3answers
159 views
Why we get high fluctuation on bandwidth measurement Cacti graph?
We were on redundancy test of Etherchannel and Routing on our network. During this intervention we made some measurement. Our monitoring tool is Cacti for graph.
The equipment monitored is a 4500-X ...
-1
votes
1answer
80 views
Accurate approch for LAN Speed Test [closed]
Respected one,
Please guide me what would be the best approach to check the Network Speed(Uploading & Downloading Speed) within a LAN network (Which also have connectivity to Internet).
4
votes
3answers
129 views
upgrade RAM on a Cisco ASA 5520
I understand the risks of using third party ram but paying for the Cisco branded memory modules and CF cards on an old ASA which is no longer covered but Smartnet is ludicrous.
There are plenty of ...
4
votes
1answer
117 views
Passive Network Monitoring Software [closed]
What are some good passive network monitors aside from Wireshark that can be used for analyzing OSPF traffic? In particular, I would like to be able to inspect the routing table and link-state ...
10
votes
1answer
137 views
BGP “no synchronization” command not showing up in running-config
I noticed in the running config I don't see the no synchronization command under the BGP section. Is this a default command so I won't see it unless I change it?
Hardware / software
Cisco 1921
...
7
votes
2answers
180 views
Stopping Cisco Prime/NCS from resizing maps
I've been having problems with Cisco Prime 1.3 (and other versions) re-sizing maps once you've put them into the map view. This happens for buildings and floors alike. On the cisco documentation it ...
5
votes
2answers
67 views
converting AP from CAPWAP to autonomous - BVI1 interface gets reverted back to DHCP
Has anyone ever gotten this message in the middle of converting a CAPWAP access point from CAPWAP to autonomous?
*Mar 1 00:47:59.399: %CAPWAP-3-STATIC_TO_DHCP_IP: Could not discover WLC using static ...
5
votes
3answers
126 views
ISR routers - difference between routed and switched ports
On a Cisco ISR router - would you say there are any benefits from purchasing an HWIC or EHWIC to connect to the next set of switches within the branch network?
For instance. Lets say Gig0/0 and ...
4
votes
3answers
140 views
AAA/TACACS+ password on Cisco switch always fails at second password prompt
Whenever logging into a network device using AAA/TACACS+, if I fat-finger the password prompt after the username prompt, the second password prompt always fails even when the password is correct. I ...
7
votes
4answers
278 views
Embedded routers vs. software routers in the datacentre
I've been looking for a new 'core' router to put in our new rack which is colo'd at a nearby datacentre. What I've come across is the usual Cisco/Juniper/Brocade lineup, with the usual unattractive ...
9
votes
2answers
298 views
RIP routing is broken between two routers
There are 2 routers connected something like this:
Network1 ----- (172.16.1.1/24) Router 1 (172.16.3.1/30) ------ (172.16.3.2/30) Router 2 ------ (172.16.2.1/24) Network 2
I try to add addresses ...
