Re: QFX5100 MC-LAG with QinQ
Hiwhat I meant was the following: if I use the family-ethernet switching syntax then the MC-LAG MAC learning works correctly.But I cannot see how to get QinQ functionality working with this syntax. If...
View ArticleRe: Extended VC Links - NO MONITORING AVAILABLE
Hi John, Have you finally found solution for that problem?I have EX4200 VC and would like to monitor SFP+ interfaces utilisation... Regards,Kacper
View ArticleCan a VC be migrated from 10G SFP+ to 40G QSFP+ live?
Hello jnet community,I have a 6 node EX4600 vitual chassis that was initially installed over 10G SFP+ links while the 40G QSFP+ cables are on the way. Is it possible to switch the VC links without...
View ArticleRe: Can a VC be migrated from 10G SFP+ to 40G QSFP+ live?
Yes you can, but nothing can guarantee that some interruption won't occur when it comes to making changes to traffic transport paths, especially with something as finicky as iscsi. I would schedule a...
View ArticleRe: Virtual Chassis Links - NO MONITORING AVAILABLE FROM JUNOS
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/vcp-snmp-statistics-edit-virtual-chassis.htmlhttp://nextheader.net/2014/10/31/snmp-stats-for-vcp-ports-in-virt...
View ArticleRe: Can a VC be migrated from 10G SFP+ to 40G QSFP+ live?
That was my feeling. Doing this in a maintenance window is sage advice in most cases when dealing with iscsi. Thank you smicker
View ArticleRe: Extended VC Links - NO MONITORING AVAILABLE
Could these help? show virtual-chassis vc-port statistics extensiveshow virtual-chassis vc-port diagnostics opticsshow virtual-chassis vc-port diagnostics optics (interface-name)show virtual-chassis...
View ArticleTroubles with communicating to Switch on any interface.
Good afternoon everone,Our EX3300 died recently and i purchased a EX3400 to replace it. Unfortunately the language is slightly different. Uploading the configuration from 3300 to 3400 does not work. I...
View ArticleRe: Troubles with communicating to Switch on any interface.
Your config has a bunch of trunk ports. I assume you are not using those to test communication with a PC/etc., yes? I assume your PC does not send tagged frames. Although if using those interfaces,...
View ArticleRe: Duplicate Frames IRB
Was what I was thinking also. No DHCP config on the switches. I noticed it because Cisco SPA phones refused to boot up, looks like there may be a bug on their firmware that causes the to lockup. Was...
View ArticleRe: Duplicate Frames IRB
I think an easy way to prove this would be to create a FF associated with lo0 to discard the packet, and see if now you see just one. What version of SW are you running on your EX3400? Do you have any...
View Articlevccpd[1206]: vccpd_copy_role_info: role_info add id:54.4b.8c.aa.f1.20
Hi ,I'm seeing messages file flooded with the following message (id varies) Jul 7 11:12:28 RZ_DTCPI_SWC_CORE_03 vccpd[1206]: vccpd_copy_role_info: role_info add id:54.4b.8c.aa.f1.20 to what it might...
View ArticleRe: Troubles with communicating to Switch on any interface.
Thank you for your response. I updated the firmware on my device and zeroed the config. I have attached both my original ex3300 config and my current ex3400 config. Currently i am able to communicate...
View ArticleHigh Latency Pings in Local VLAN Gateway
Hi, I have an EX3300 network with QFX5100 at core switch and i am experiencing slow ping times when pinging the default gateway (10.107.14.1) from user end (say 10.107.14.145).Ping times are greater...
View ArticleRe: High Latency Pings in Local VLAN Gateway
This is normal. Icmp packets to and from the switch itself is handled by the routing engine and is not prioritized over other control plane traffic. This should not be confused with transit traffic....
View ArticleRe: Troubles with communicating to Switch on any interface.
Are you running virtual chassis?If you look at the original 3300 configuration, your trunk ports are different. In the new config you have assigned the default vlan ID 1? Why did you change? Are there...
View Articleright multicast configuration when using a EX4300 as layer2 aggregation...
Hi all,I would like check with you guys if I have done the best configuration for following scenario.descr:I have 10 sources (servers) which are connected to an ex4300 for port aggregation.The uplink...
View ArticleBlocking rogue DHCP servers
In order to block rogue DHCP servers on my access switches will the following command be sufficent or would i need to add more ? set ethernet-switching-options secure-access-port interface all...
View Articlecluster membership on EX switch
I often struggle with getting EX4200 to take their assigned role in a virtual cluster. This is under version 12.3 and 15.1. If the cluster is preprovisioned, i often get what should be a master booting...
View ArticleRe: Duplicate Frames IRB
Firewall input rule on lo0 to discard packets sent to broadcast fixes the problem, looks like the IRB is definitely forwarding broadcast packets. I can also confirm this is happening regardless of the...
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