Network Engineering

Questions tagged [juniper-junos]

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A tag for questions involving Juniper Networks Operating System (Junos) software.

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How can I set the Juniper EX3300 Switch's Interface traffic speed?

How can I set the Juniper EX3300 Switch's Interface traffic speed? Before asking this question I have attempted many methods, all fail. first of all, set the Interface traffic speed is not the ...
4
votes
1answer
637 views

Juniper EX4200 how to select s-vlan from c-vlan on dot1q-tunneling access port?

How do I tell Juniper EX4200 to push specific S-VLAN based on C-VLAN on q-in-q (dot1q-tunneling) port? For instance I want to instruct EX4200 to perform Q-in-Q using these rules: 1) If a single-tag ...
5
votes
0answers
840 views

Juniper SRX IPv6-PD update-router-advertisement issues

I'm trying to get some sweet prefix delegation working on my SRX. My provider offers DHCPv6-PD and gives out /56 addresses. I have done setups using cisco routers and am trying to replicate it onto a ...
3
votes
1answer
306 views

Could launching a virtual router with less-than-recommened RAM cause interfaces to not initialize?

I'm trying to launch a few vSRX devices through GNS3 (and VirtualBox). The issue that I'm running into (I think) is that my interfaces seem to not properly initialize if I don't start the instances ...
7
votes
1answer
2k views

BGP authentication-key-chain vs. authentication-key

I found a neat little behavior on a Juniper box I was working with today. We were migrating from a Cisco ASR to an MX and all of our internet exchange peers that had authentication configured didn't ...
4
votes
1answer
2k views

Screen to Junos “Set route …” command

tell me please how to translate the following Screenos to Junos... Do I understand correctly that the path to route 80.70.128.142/32 is via vrouter "UntrustGi-vr" ? Screenos command: set vrouter "...
4
votes
1answer
515 views

Juniper EX4200 QinQ question

newbie here with a very similar question to one that was posted a couple of years back ... only slightly different (so, as the original question was asked so perfectly, I've copied it nearly verbatim ...
3
votes
1answer
2k views

Junos feature to accept multiple BGP paths from multiple peer AS

Cisco IOS provides this hidden BGP command: router bgp <ASN> bgp bestpath as-path multipath-relax It allows the router to install multiple BGP prefixes with distinct as-path'es (but ...