Command of the Day

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Aruba Employee

COTD: Checking link layer issues

If you want to check if there have been link layer issues on an upstream port, or even if you want a method for guaging the stability of the interconnected wired network, then you can use the "show port link-even" command:
(Greig) # show port link-event
Slot/Port UP DOWN Slot/Port UP DOWN
--------- -- ---- --------- -- ----
1 / 0 6 5 1 / 1 2 1
1 / 2 108 107 1 / 3 102 101
1 / 4 94 94 1 / 5 184 184
1 / 6 4 3 1 / 7 6 5
(Greig) #
This command simply lists up the number of times each link has gone up and the number of times the link has gone down. If there is a large number of link events such as above, you can judge that there could be a L1 or L2 issue with some of those links.
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