[c-nsp] ASA Transparent Mode with VLAN Trunks

Fred Reimer freimer at ctiusa.com
Wed Apr 16 12:13:35 EDT 2008


Why off-list?  Do share, others might benefit.

Fred Reimer, CISSP, CCNP, CQS-VPN, CQS-ISS
Senior Network Engineer
Coleman Technologies, Inc.
954-298-1697


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Ge Moua
> Sent: Wednesday, April 16, 2008 11:30 AM
> To: 'Mike Louis'; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] ASA Transparent Mode with VLAN Trunks
> 
> Email me off-line, I have working configs for this.
> 
> Regards,
> Ge Moua | Email: moua0100 at umn.edu
> 
> Network Design Engineer
> University of Minnesota | Networking & Telecommunications Services
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mike Louis
> Sent: Wednesday, April 16, 2008 10:13 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] ASA Transparent Mode with VLAN Trunks
> 
> I am trying to configure an ASA in Transparent mode running 7.2(3)
> version
> of code. It has trunk interfaces trunking vlans 100,101 on both the
> inside
> and outside interfaces of the device. However the ASA will not let me
> assign
> VLAN 100,101 to subinterfaces on both sides of the firewall. Does
> anyone
> have a working configuration on how to accomplish this? I want to trunk
> 2
> VLANs through a L2 firewall using the same VLAN tags on each
> inside/outside
> sides of the firewall.
> 
> TIA
> 
> Mike
> 
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