A tag for questions involving Juniper Networks hardware or software.
5
votes
1answer
59 views
BGP remote-triggered blackhole (RTBH) filter for Juniper
I'm trying to find the most elegant way to implement a RTBH filter for routes received from a customer.
The filter should:
Only accept the customers own prefixes from a prefix-list
Only accept /32 ...
5
votes
1answer
70 views
Is CoS supported in a logical system?
This reference states that class of service is supported in a logical system, but another reference disagrees. This may be a disparity between versions, but I have notoiced there is no class of ...
6
votes
1answer
44 views
Blocking IPv6 RA advertisements on Juniper EX series switch
How do I go about blocking IPv6 RA advertisements on access ports on a Juniper EX series switch? I know that Cisco offers ra-guard as an option much like bpdu-guard on spanning tree, I am just not ...
-1
votes
1answer
79 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).
7
votes
4answers
275 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 ...
5
votes
2answers
102 views
DSCP trust boundary
I have performed some analysis and noticed that traffic coming in from the Internet contains a myriad of DSCP values. This traffic competes for voice and video resources on the internal network.
How ...
6
votes
2answers
67 views
How do I configure a port as STP “non-edge” on Juniper EX switches?
Juniper EX switches automatically categorize a port as an spanning-tree "edge" (there should only be one device behind the port) or "non-edge" (another switch) port. You can force this mode for a port ...
8
votes
4answers
135 views
How to signal a VPLS multihoming change to a L2 CE device
We have the following setup:
Two MX routers connect to the same L2 site. Loop protection / redundancy is done via VPLS multihoming. On the other end are two switches (EX4200 for example).
When the ...
4
votes
3answers
102 views
SRX DHCP client compatibility with HP Procurve DHCP Relay
I am trying to bootstrap the config on some Juniper SRX100s and am having some DHCP issues.
Specifically, I am connecting the 0/0 port (fe-0/0/0 in the software) to my existing network, where DHCP ...
11
votes
3answers
466 views
Are there any reasons to not use BFD?
In looking to implement Bidirectional Forwarding Detection (BFD) it seems to be very flexible in terms of timer tuning, light weight regarding any overhead and it's flexibility in terms of overall ...
4
votes
1answer
62 views
What are some workarounds / fixes for UTM/IDP on Junos 12.1X44-D10.4 for SRX Series branch devices?
The JNCIP / JNCIE-SEC latest courses use 12.1X44-D10.4 as the recommended Junos version. I setup a 30-day evaluation on my home SRX device to study JIPS, based on 12.1. At this point, I'm guessing ...
5
votes
1answer
128 views
How to force VPLS/L2VPN to use a specific path
We're using VPLS and L2VPN on Juniper MX for L2 connections. Signaling is done via BGP and label distribution via LDP.
Now we want one L2VPN to use a specific path trough the network and not follow ...
4
votes
3answers
228 views
What are your network-related regular expressions? [closed]
For various (and hopefully obvious) reasons, I've started compiling regular expressions that I can use to catch various pieces of information or configuration.
I am expecting I am not the only one, ...
4
votes
1answer
85 views
Does Juniper set a control word on VPLS pseudowires
At the RIPE conference the was a talk about how MAC addresses starting with a 4or 6 may suffer from decreased performance because MPLS routers misinterpret the Ethernet packets as an IPv4/6 packet ...
4
votes
3answers
111 views
How to log out of state sessions on Juniper SRX platform?
I am really having trouble to get our SRXes to log sessions that are not in the state table and get dropped because of that.
For example, if you reboot the firewall and some old NFS implementation ...
12
votes
5answers
421 views
In a multi-tenant environment what should be done to make your switchports silent on Cisco and Juniper switches?
For example preventing it from sending arp, stp, etc and to reveal as little as possible about the rest of the network.
Example use case would be connecting to a peering exchange.
4
votes
2answers
112 views
Can I see the pending (commit at) changes on a JunOS box?
If an engineer configures some changes in a JunOS box and then set them to go live later, that effectively locks the config database with a configure exclusive. How can I see the changes that he or ...
13
votes
1answer
98 views
MPLS auto-bandwidth balancing
I operate an MPLS/IP network that utilizes auto-bandwidth to measure bandwidth utilization and signal RSVP accordingly.
How can I maintain balance across my LSP paths such that one large [P ...
3
votes
1answer
54 views
Aggregate Family Rate Limits on Juniper EX
Trying to figure out how to perform rate limits on Juniper EX for both inet and inet6 families. Ideally I'd like a packet rate limiter to be applied before the ip type is ever looked at. Basically, ...
