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June 5th, 2007 18:00
VLANS over VPN
To begin
I have a 6248 Layer 3 switch at the core of the network. It is trunked off into 4 VLANS. 2 are 10.0.0.x/30 connections to Sonicwalls. 2 are Private class B subnets (172.16.x.x/23) (VLAN 11 and VLAN 30) that connect via trunk to 5224's.the 5224's are each set in "Switchport general mode" for all of the ports except the trunks. The Switch port general modes are set to have a PVID of 11 and 30 resectivly.
1 of the Sonicwalls acts as our gateway to the internet.(VLAN 101)
1 acts as a site to site VPN connection point. (VLAN 103)
On the Other side of that VPN Sonicwall is a Cisco Pix firewall.
I am able to connect 2 tunnels across this VPN link from the Sonicwall to the PIX.
There is a static route in the 6248 that points all traffic to 192.168.1.0 ( The other side of the VPN tunnel) to (VLAN 103)
Only on of my VLANs is able to talk across the site to site VPN Link.(VLAN 11)
(VLAN 30) cannot connect across this VPN but routes through to the internet Via (VLAN101) just fine.It also can completely communicate with my local network servers and devices.
I have IP routing enabled for each VLAN in the 6248.
The configurations for the VLANS and their trunking is Identical. So are their configurations in both Sonicwalls. Does any one have any Idea of why 1 will connect and the other will not? I have been trying to sort this out for 3 days... I figured I would give this a shot.
Thanks,
Brian
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