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Questions tagged [juniper-junos]

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

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7 votes
1 answer
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Why does export/import policy addition/removal cause a BGP session reset?

I was adding a new policy to both import and export list for BGP. Then I observed a bgp session reset. Can anyone explain this for me? The only change I made was to prepend a new policy to reject ...
Bo Cao's user avatar
  • 401
5 votes
2 answers
624 views

Newer JunOS Versions numbers

What is the meaning of the new JunOS version numbers in the 12.1 line? 12.1X44 12.1X45 12.1X46 What does the XNN mean? How can I tell which one I want?
bahamat's user avatar
  • 867
3 votes
1 answer
267 views

Juniper SRX3600 Maximum Load Set Size

What is the maximum size load set that a Juniper SRX3600, running Junos 11.4R7.5, can load and commit? I am attempting to add a 100,000+ line commit change and do not want to overwhelm the RE and ...
ryanklein's user avatar
  • 178
8 votes
2 answers
2k views

Is the shaping-rate on a CoS scheduler per-port or aggregate on a Juniper EX?

I'm using a Juniper EX2200 as demarc/CPE device for a customer that has multiple handoff ports on the one switch. I need to make sure that, across all their ports, they don't use more bandwidth than ...
jda's user avatar
  • 615
6 votes
1 answer
3k views

Junos: Policy-Statment and AS-Prepends

I am trying to create a policy-statement to prepend the local AS number 5 times (assuming it is AS1234) before advertising local routes up to a new upstream transit provider (no inbound traffic is ...
Baldrick's user avatar
  • 5,300
18 votes
3 answers
30k views

Adding a simple VLAN on a Juniper MX

after years away from JunOS, working with Foundry (now Brocade) routers, I find myself with a new Juniper MX10. All I want to do is create a simple VLAN such that two ports share one routing ...
Matt's user avatar
  • 181
5 votes
1 answer
3k views

JunOS: View route-filter import policy matches

Is there a way in JunOS (I'm testing on 11.4R1.14) to see the prefixes filtered out by a policy statement? I have the following in the lab dropping unwanted prefixes from BGP neighbors; policy-...
Baldrick's user avatar
  • 5,300
1 vote
1 answer
753 views

JunOS: Using route-filter in policy statements

I am configuring some policy statements on JunOS 11. I am filtering inbound BGP prefixes using the below syntax. It's fairly simply and self explanatory, you can guess whats it's doing just by looking ...
Baldrick's user avatar
  • 5,300
10 votes
3 answers
18k views

JunOS: Can I have a live console log?

On a Cisco IOS device the command logging buffered 51200 notifications logs most information to the routers memory (obviously you can change that to informational or debugging as required). When ...
Baldrick's user avatar
  • 5,300
8 votes
2 answers
4k views

JunOS FreeBSD version?

http://juniper.cluepon.net/index.php/JunOS JUNOS prior to 5.0 was based on FreeBSD 2.2.6. JUNOS between 5.0 and 7.2 (inclusive) is based on FreeBSD 4.2. JUNOS 7.3 and higher is based on FreeBSD 4.10. ...
sdaffa23fdsf's user avatar
  • 1,281
13 votes
2 answers
2k views

VPLS Multihoming on Junos - FEC confusion‏

I'm going over the VPLS multihoming options on Juniper's web site. I'm not concerned with LAG and MC-LAG for the moment. As far as I'm aware: FEC128 is when you are using manual discovery of ...
mellowd's user avatar
  • 3,834
13 votes
1 answer
8k views

JunOS: Password recovery has failed

I am trying to recover a root password on an MX80 but I'm receiving some errors and have no idea what they mean (it's not live so suggestive "disruptive" steps is acceptable); The steps I have taken ...
Baldrick's user avatar
  • 5,300
8 votes
2 answers
11k views

Juniper EX - disable multiple interfaces at the same time as a once off

I have used the Cisco interface range commands on many occasions to disable a large number of switching ports when the device is originally deployed as a once off and am looking for something similar ...
DrBru's user avatar
  • 1,629
7 votes
1 answer
673 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 ...
Dennis Olvany's user avatar
4 votes
1 answer
4k views

Isolating Juniper Management Plane

Out of the box, it seems that the Juniper management routing is part of the default route table. Can I use logical systems to isolate the service plane from management routing? Are there any drawbacks?...
Dennis Olvany's user avatar
9 votes
1 answer
1k 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 ...
YerPhate's user avatar
  • 111
10 votes
3 answers
3k 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 ...
Jeff McAdams's user avatar
  • 2,496
5 votes
2 answers
2k views

Migrating from VLANs to MPLS on JunOS [closed]

I'd like to see a worked example of recreating a regular common VLAN based topology using MPLS on Juniper hardware. In particular we will be using EX3xxx and EX4xxx for swicthing, though I don't think ...
SimonJGreen's user avatar
  • 1,695
20 votes
4 answers
59k 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 ...
hrtednrup's user avatar
  • 452

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