with dot1q, I make my first vlan #2, I have had problems with vlan #1, it
may be the way dot1q treats vlan #1 and what it expects to be in there.
Brian
On Tue, 20 Feb 2001, John Neiberger wrote:
> I have a 2620 connected to a 2924XL using ISL trunking. Three VLANs
> configured on both sides, VLAN 1 is the management VLAN. I can ping
> from the router to the switch and vice versa.
>
> Now, I changed the encapulation type on both sides to dot1q and
> communication breaks. Turning on debugging, I found the following
> problem. Apparently, the 2620 is throwing out the ARP replies from the
> switch. Here is the output from debup arp:
>
> 00:15:09: IP ARP: sent req src 10.16.102.70 0030.8546.b740,
> dst 10.16.102.16 0000.0000.0000 FastEthernet0/0.1
> 00:15:09: IP ARP: sent req src 10.16.102.70 0030.8546.b740,
> dst 10.16.102.16 0000.0000.0000 FastEthernet0/0.1
> 00:15:09: IP ARP rep filtered src 10.16.102.16 0005.3214.99c0, dst
> 10.16.102.70
> 0030.8546.b740 wrong cable, interface FastEthernet0/0
> 00:15:09: IP ARP rep filtered src 10.16.102.16 0005.3214.99c0, dst
> 10.16.102.70
> 0030.8546.b740 wrong cable, interface FastEthernet0/0
>
> What the heck does wrong cable mean? The only potential problem I see
> is that it is sending the ARP request out fa0/0.1, but receiving the
> reply on fa0/0. Is there some configuration step that I'm missing?
> I've never tried to configure dot1q before, but it seems to me that if
> the native vlan is the same on both sides that the only configuration
> difference would be the encapsulation type on each side.
>
> Can any of you provide any advice concerning this? And changing back
> to ISL isn't going to solve my problem because I'm just playing around
> and I want to make this work! :-)
>
> Thanks,
> John
>
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Brian Feeny e:[EMAIL PROTECTED]
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Network Administrator
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