[150889] in North American Network Operators' Group
Re: VLAN Troubles
daemon@ATHENA.MIT.EDU (Antonio Querubin)
Wed Mar 7 09:45:28 2012
Date: Wed, 7 Mar 2012 04:44:22 -1000 (HST)
From: Antonio Querubin <tony@lavanauts.org>
To: Alan Bryant <alan@alanbryant.com>
In-Reply-To: <CAN+zRM9u0SpH4nBc5Cbq=fpH=kNguiT6dBu4G6s_doYr3XHCpQ@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Tue, 6 Mar 2012, Alan Bryant wrote:
> We have two switches that do not seem to be passing VLAN traffic. The
> two switches are a Dell Powerconnect 5324 & a Cisco 3560G. The Cisco
> switch appears to be functioning fine, but the Dell switch is only
> passing traffic to the Cisco that is on the default untagged VLAN1.
> Our second VLAN is not getting passed to the Cisco at all, I am not
> seeing any packets tagged with the particular vlan in Wireshark.
>
> I have Port 1 on the Dell switch connected to port 29 on the Cisco
> switch, and port 1 on the Cisco switch connected to the ASA.
>
> I have the following config on the relevant ports on the Cisco switch:
>
> interface GigabitEthernet0/1
> description ASA 5505
> switchport trunk encapsulation dot1q
> switchport mode trunk
>
> interface GigabitEthernet0/29
> description Radiology Switch
> switchport trunk encapsulation dot1q
> switchport mode trunk
Have you verified VLANs 12 and 22 are actually defined on the Cisco?
> vlan database
> vlan 12,22
Antonio Querubin
e-mail: tony@lavanauts.org
xmpp: antonioquerubin@gmail.com
