Re: vQFX MC-LAG not working!
60ms BFD interval is really short, can you set to 500 or 1000ms? VQFX1del protocols iccp peer 10.19.211.2 liveness-detection minimum-interval 150 del protocols iccp peer 10.19.211.2 liveness-detection...
View ArticleRe: Alternatives for ring topology - EX3400/EX4600
I ended up going with classic RSTP to get ut up and running, although depending on how long this network is going to be needed, we might "upgrade" it with MSTP. It is strange that the ES3400 seems to...
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Re: vQFX MC-LAG not working!
managed to figure this out, i needed static arp entries per host for it to work of course not very scalable but enough for tests. set interfaces irb unit 200 family inet address 10.14.200.30/24 arp...
View ArticleRe: vQFX MC-LAG not working!
That would not cause ICCP to bounce, so you may still have that issue. The static arp issue is an unfortunate requirement, more details here:...
View ArticleEX200 VC high memory usage
Hi I just configured and started new EX2200 VC and I have a really high memory usage. Can you please help mefind out what's the problem > show chassis routing-engine Routing Engine status: Slot 0:...
View ArticleRe: EX200 VC high memory usage
Juniper no longer recommends JUNOS 15.1 on EX2200 switches due to memory and cpu limitations. You are encouraged to downgrade back to 12.3...
View ArticleL2VPNs - Benefits of / differences between differen port encapsulations
Im aware that a customer using a L2VPN may send traffic over to a PE which is encapsulated as Null port, 802.1q port or Q-in-Q port type. I think Null encapsulation translates as raw mode / port based...
View ArticleRe: vQFX MC-LAG not working!
I didn't say it made iccp bounce (that was caused by anycast vxlan vtep configuration) which when removed the show iccp detail stabalised. here in the case of vQFX hosts we're unable to ping their...
View ArticleQ-in-q svlan and normal vlan on same trunk, ex4600, els
Hi. I have been testing some q-in-q setups with two ex4600 running the ELS software. I have looked at a number of technical documents from Juniper on the subject, and I'm a bot confused. I can't find a...
View ArticleEX2300 48P port role
Can a port role of "layer-2 uplink" be applied to a LAG.? I have not tried it, cause it is in production with no role.
View ArticleEX4200 Stuck at Boot After Attempting to Load Image from USB
I'm trying to recover my EX4200 device using the steps outlined https://kb.juniper.net/InfoCenter/index?page=content&id=KB20643&actp=METADATA and reading some forum posts like the one here:...
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EX3400 - Recovery from failed SW upgrade fails
When trying to recover from a failed customer SW upgrade, an EX3400 switch gets a kernel panic.- The methods using USB and TFTP show the same result.- When trying to boot an snapshot created from...
View ArticleRe: EX3400 - Recovery from failed SW upgrade fails
Why not just RMA the device? HW RMAs are covered (free of charge) under Limited Lifetime Warrenty.
View ArticleRe: EX3400 - Recovery from failed SW upgrade fails
Hello Frank, As EX3400 is not able to load kernel it does not go to OAM volume which can be used to install junos from bootable USB.Create bootable USB with install media image 15.1X53-D57...
View ArticleQFX3500 queue counters 8 "Dropped packets"
Hello all, I'm connecting 2 QSFP LR4 in both QFX3500 and QFX5200. Everything works fine except for when I do the "show interface extensive media" command, I keep seeing queue counter 8 got dropped...
View ArticleDSCP classifer on EX 4200/4300 Switches under layer 2 port
Hi everybody, I have a quick question: Can we use Default DSCP classifier on layer 2 interface to place traffic in queues on EX 4200/4300 Switches? Thanks and have a nice day!!
View ArticleRe: EX3400 - Recovery from failed SW upgrade fails
Thanks for this excellent answer. Best Regards
View ArticleRe: EX2300 48P port role
Yes you can. Layer 2 Uplink is trunk port configured to act like Ciscos trunk ports which carry all vlans by default, as that was not standard with junos. You have to manually configure the vlans when...
View ArticleRe: Q-in-q svlan and normal vlan on same trunk, ex4600, els
Change the ether-type to 0x8100
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