On 04/08/2013 09:48 PM, [email protected] wrote:
I would like to be able to accept both tagged and untagged frames on my
3560g. For the untagged frames, I'd like to be able to say these are a
member of some vlan - say 100 - otherwise I want to be able to allow
tagged frames from some list.
In testing, it doesn't appear that "switchport trunk native vlan xxxx"
is doing the job; anything I send untagged is dropped and doesn't show
up in the switch mac address tables. Here is my config:
Similar configs work for us.
interface GigabitEthernet0/45
description testing cisco vlans
switchport trunk encapsulation dot1q
switchport trunk native vlan 6
switchport trunk allowed vlan 306
switchport mode trunk
It it helps. I do also have dot1q native vlan tagging enabled.
I believe you need to drop that - it tells the switch that the native
VLAN should be tagged.
Also, add the native VLAN to the list of allowed VLANs (so you'd get
"switchport trunk allowed vlan 6,306" here).
I removed dot1q tag native and that seems to have worked. Unfortunately,
it caused other problems requiring me to set the native vlans on some
ports to something other than default. In the end it's working but I
just don't see why I can't say 'hey, got an untagged frame? throw it
into this vlan for me...'. Maybe I need more expensive switches.
Thanks all.
Mike-
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