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02.08.2007 at 02:07PM PST, ID: 22155673
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8.8

ASA 5520's, Cat 3750 VLAN's and Routing Woes.

Asked by albinoanteater in Network Software Firewalls, Networking Hardware Firewalls, Network Switches & Hubs

Tags: , , ,

Hello all,
      I was attempting to do this with the 'switchport mode multi vlan' and using a /24 but discovered that Cisco has decided to remove it and I'm at a bit a loss here.
Here's my current setup.

   ISP Router
        |
 ASA 5520 Cluster
        |
Catalyst 3750 Stack
 |       |       |        |
V1   V2   V3    V4

VLAN1=10.20.30.  0/26 -- Gig 1-2/0/ 1- 4
VLAN2=10.20.30. 64/26 -- Gig 1-2/0/ 5-11
VLAN3=10.20.30.128/26 -- Gig 1-2/0/12-18
VLAN4=10.20.30.192/26 -- Gig 1-2/0/19-24


I need all traffic coming into the Firewall passed to VLAN 2 or VLAN 4 (as determined by port forwarding)
This is functioning currently up and running fine on our old gear (but as I said mode multi vlan is gone and we are upgrading to Gig Switches) I'm not entirely sure how to do this. I've been sheltered and I have only had to pass traffic from a firewall down to a single network.

Also I need for VLAN 2 (port 10 & 11 ip 10.20.30.68&69) and VLAN 3 (port 17 & 18 ip 10.20.30.132&133) to be able to communicate with each other and VLAN 4 (port 22 ip 10.20.30.241) and I have port 1 connected to the inside port of the firewall (ip 10.20.30.1). I'd really prefer to have everything go through the ports but if full VLAN communication is necessary I can live with that also I suppose.  

Sorry about the open ended question, but I have this 1 opportunity to redo everything in the production environment, and I would like to do this the "right way" so that when the time comes we won't end up suffering from the use of an unusual config or a little known command (that I thought was awesome :P) again.

Thanks in advance,
Mark Irwin

Slowly drowning in a sea of Cisco...
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[+][-]02.08.2007 at 08:25PM PST, ID: 18499192

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About this solution

Zones: Network Software Firewalls, Networking Hardware Firewalls, Network Switches & Hubs
Tags: asa, vlan, 5520, 3750
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Solution Provided By: prueconsulting
Participating Experts: 1
Solution Grade: A
 
 
[+][-]02.09.2007 at 12:48PM PST, ID: 18504430

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[+][-]02.09.2007 at 12:52PM PST, ID: 18504450

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