From: Brian Spade (bitkraft@gmail.com)
Date: Sat Sep 01 2007 - 20:35:55 ART
I know that sometimes when I create an etherchannel the ports will error
disable depending on the order it was created. Maybe try your exercise
again with SW4 ports admin down while bringing up the channel on SW1. After
you configure the channel on SW, configure the channel on SW and no shut the
ports.
On 9/1/07, Adham Ali <adhamccie@yahoo.com> wrote:
>
> Dear all,
>
> We need to create an Etherchannel between SW1 FE0/19 and FE0/20 to SW3
> FE0/19 and FE0/20 using tunneling according to the below setup!
>
> SW1 (FE0/19) ---------- (FE0/13) SW4 (FE0/19)--------------- (FE0/19)
> SW3
> SW1 (FE0/21) ---------- (FE0/15) SW4 (FE0/21)--------------- (FE0/21)
> SW3
>
>
> In the same time we need to create a normal Dot1Q trunk between SW1-SW4
> and SW4-SW3
>
> SW1 (FE0/20) ---------- (FE0/14) SW4
> SW4 (FE0/20)----------- (FE0/20) SW3
>
> So when i answer this question i receive "l2ptguard error detected " in
> SW4 and its interfaces change to "errdisable" state!!
>
> Did any body answered this question successfully?....do you know why i
> receive this error and what is missing or how can i fix it?.....
>
>
> Thank you in advance!
>
> Regards,
> Adham...
>
>
>
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