After a lot of fiddling around and getting nowhere, I'll ask you :) I am trying to set up a test port - for an IP phone actually - with the office WS VLAN (402) native untagged, and the Voice VLAN (498) tagged on this 3560-48 (12.2(25)SEE4).
My config looks like this:
#sh run int f0/44
interface FastEthernet0/44
description ekb Testport
switchport access vlan 402
switchport trunk encapsulation dot1q
switchport trunk native vlan 402
switchport trunk allowed vlan 498
switchport mode trunk
load-interval 30
end
#sh vlan dot1q tag native
dot1q native vlan tagging is disabled
#sh int f0/44 switchport
Name: Fa0/44
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: dot1q
Negotiation of Trunking: On
Access Mode VLAN: 402 (VL-workstation)
Trunking Native Mode VLAN: 402 (VL-workstation)
Administrative Native VLAN tagging: enabled # !!!
Voice VLAN: none
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none
Operational private-vlan: none
Trunking VLANs Enabled: 498
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Appliance trust: none
The "enabled" in the output seems to be the show's mistake, if
a few web pages are to be believed, but...
The trunk link to the phone works nicely, but connecting a stupid
win xp laptop (phone removed from in between) does not seem to work.
Wireshark shows me outgoing broadcast packets (DHCP queries) from
my laptop untagged. I see no responses coming in though.
Does anyone have an idea where I could find the culprit...?
Cheers,
Elmar.
--
"Machen Sie sich erst einmal unbeliebt. Dann werden Sie auch ernstgenommen."
(Konrad Adenauer)
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