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reilly_aiden

3 Posts

1650

February 12th, 2021 12:00

Splitting Port Channel Between VLT Members (S5248)

Working on converting an OS9 configuration to OS10 and moving from Stacking to VLT implementation. Got VLT setup without any issue and appears to be healthy and without issue. An issue I'm running into though, I have port channels that were split out between my devices when stacked and I'm trying to do the same with my VLT conversion.

S5248-A - 1 Link to Upstream Switch
S5248-B - 1 Link to Upstream Switch

Combine those links into a single Port Channel for redundancy and added capacity.

But when I check the status of the Port-channel, I'm only seeing one local interface showing depending on the device that I'm logged into. Is this normal or is their a unique to VLT configuration element that I'm overlooking?

Tony92

13 Posts

February 15th, 2021 00:00

Hi,

If you want to see LAG status for all switches, use show vlt commands, for example :

show vlt 5 vlt-port-detail
vlt-port-channel ID : 1
VLT Unit ID    Port-Channel      Status    Configured ports    Active ports
-------------------------------------------------------------------------------
* 1            port-channel1      up        2                   2
  2            port-channel1      up        2                   2
vlt-port-channel ID : 2
VLT Unit ID    Port-Channel      Status    Configured ports    Active ports
-------------------------------------------------------------------------------
* 1            port-channel2      up        1                   1
  2            port-channel2      up        1                   1
vlt-port-channel ID : 3
VLT Unit ID    Port-Channel      Status    Configured ports    Active ports
-------------------------------------------------------------------------------
* 1            port-channel3      up        1                   1
  2            port-channel3      up        1                   1

 

DELL-Josh Cr

Moderator

 • 

9.2K Posts

February 12th, 2021 17:00

Hi Reilly,

Is it working otherwise? Since they are not stacked and the management is separate it doesn’t see the other switches ports.

reilly_aiden

3 Posts

February 17th, 2021 11:00

Will try to break away for a few minutes to test and see if it shows up. Confident in my configuration, just need that 'show' command validation to prove it out. Thank you, if it comes back successful, I'll make sure to mark your comment as the solution.

reilly_aiden

3 Posts

February 18th, 2021 12:00

Thank you for the image and reference, that showed me that the port channel I configured wasn't associated correctly. I had to add the vlt-port-channel command under the interface port-channel. Once I did that and re-ran the command you provided, it showed exactly how I would've expected it to. Thank you for the quick response, greatly appreciated @Tony92

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