2924 not forwarding Tagged Packets 1

[chrisstyles]

Does anyone have a login to cisco that can check a bug track.

I have some 2924's that I am trying to configure the ports on.

Normally my switch config works as thus.

swichport access vlan 40
switchport voicevlan 60

But i can only get it to work with the ports as trunks, like..

switchport trunk encaps dot1q
switchport mode trunk
switchport trunk native vlan 40

the software release is 12.0(5)WC5 and I think the relevnt bug is..

CSCdx86493

But it won't let me login to check which release first corrected it.




Chris Styles

NT4/2000 MCSE

 

[KiscoKid]

CSCdx86493 Bug Details


Headline 3500XL - Unknown dot1q tagged frame not dropped
Product IOS
Feature OTHERS Components Duplicate of
Severity 3 Severity help Status Verified Status help
First Found-in Version 12.0(5)WC5 All affected versions First Fixed-in Version 12.0(5)WC7 Version help
Release Notes


A Cat3500XL on gig ports when configured as Access Ports,
upon reception of a dot1q-tagged VLAN frame, will not drop
this frame and will still forward this frame on unchanged.

In the event that the dest-mac is unknown or an unknown mcast
mac, the switch will flood this frame out of all ports that
are on the same VLAN as the receiving port.

 

[chrisstyles]

Cheers, not sure if this is my problem now.

Chris Styles

NT4/2000 MCSE

 

[BuckWeet]

2924 and 3500xls don't do the feature known as 'aux vlan' which is what you're doing... i bet your other switches are 3550's or higher..

BuckWeet

 

[chrisstyles]

Yes the others are.

Is it OK to use the config that I am then. A cisco engineer once told me that I should try and minimise the number of trunk ports.

Chris Styles

NT4/2000 MCSE