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abatie
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vlan not running

Thu Aug 05, 2021 10:37 pm

What would cause a vlan to not be in the running state? I could see it being disabled manually, and it might not be getting any tagged packets, but it should always be "running" I would think?
/interface vlan<SAFE> print
Flags: X - disabled, R - running 
 #   NAME                                 MTU ARP             VLAN-ID INTERFACE                              
 0 R ;;; peters-ws-gw
     vlan101                             1508 enabled             101 ether1                                 
 1 R ;;; network mgmt
     vlan116                             1500 enabled             116 sfp-sfpplus1                           
 2   ;;; leb-core-10g
     vlan533                             1500 enabled             533 sfp-sfpplus1                           
 3 R ;;; lcb-fs-net-1
     vlan534                             1500 enabled             534 ether1
 
abatie
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Re: vlan not running

Fri Aug 06, 2021 12:18 am

I'd still like to know what it means for a vlan to be in a "not running" state, however I tried resetting the mtu and it gave me "failure: could not set mtu" and then the vlan went into the running state...
 
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anav
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Re: vlan not running

Fri Aug 06, 2021 1:36 pm

/export hide-sensitive file=anynameyouwish

(vlans prefer walking)
Last edited by anav on Sat Aug 07, 2021 7:58 pm, edited 1 time in total.
 
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mkx
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Re: vlan not running

Fri Aug 06, 2021 10:42 pm

Do you have IP address set on interface vlan533? If you don't, that explains. Interface is active if it's connected. Vlan interfaces are special because they are interfacing ROS and tagged interface (in your case physical interface sfp-sfpplus1) and only thing that comes to my mind making difference in running status is if it's actually in use by ROS. But full configuration export as per suggestion by @anav would tell more.
 
Zacharias
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Re: vlan not running

Fri Aug 06, 2021 10:50 pm

Do you have IP address set on interface vlan533? If you don't, that explains
@mkx it would be in a Running state even with no address assigned on the VLAN interface...

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