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Multiple local networks over VPN?

  • pczaefr
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11 Jul 2014 14:15 #1 by pczaefr
Multiple local networks over VPN? was created by pczaefr
Hi all

I use 2960 series
I have two local networks 192.168.100.0/24 and 192.168.200.0/24

networks 92.168.100.0/24 and 192.168.200.0/24 on the same interface but in different Vlan
92.168.100.0/24 VLAN 10
92.168.200.0/24 VLAN 20

I want to create a VPN tunnel to external supplier which they use 172.16.16.0/24 network

How can I create a VPN tunnel which will route my both networks 192.168.100.0/24 and 192.168.200.0/24 to 172.16.16.0/24 network

Currently My VPN Tunnels is created with 192.168.100.0/24 and that's fine, I can ping 172.16.16.0/24 network from 192.168.100.0/24 network
But I cannot ping any of the 172.16.16.0/24 IPs from the 192.168.200.0/24 network. I couldn't find any VPN profile settings on the router to add more local subnets

is there any option to do this on 2960 series ??

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11 Jul 2014 16:27 #2 by sicon
Replied by sicon on topic Re: Multiple local networks over VPN?
the opposite router needs the 2nd subnet (192.168.200.0/24) built into the VPN profile.

Your 172.16.16.0 route will have one route to the rmoete network but the othe end point will need have two routes back for each subnet

It works as I've just tested it - I didn't need to use the "separate SA config" either

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11 Jul 2014 23:13 #3 by pczaefr
Replied by pczaefr on topic Re: Multiple local networks over VPN?

sicon wrote: the opposite router needs the 2nd subnet (192.168.200.0/24) built into the VPN profile.

Your 172.16.16.0 route will have one route to the rmoete network but the othe end point will need have two routes back for each subnet

It works as I've just tested it - I didn't need to use the "separate SA config" either



Thanks for reply...

thing is other side already enabled for my both networks 192.168.100.0/24 and 192.168.200.0/24

If i change the VPN connection settings to either networks (92.168.100.0/24 and 192.168.200.0/24) VPN works and connects okay, but only to network in the VPN connection Setting. I couldn't get it work with both network.

Is there any other things I can try ?

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12 Jul 2014 13:21 #4 by pczaefr
Replied by pczaefr on topic Re: Multiple local networks over VPN?
I forgot to mention that, networks 92.168.100.0/24 and 192.168.200.0/24 on the same interface but in different Vlan

92.168.100.0/24 VLAN 10
92.168.200.0/24 VLAN 20

is this make a difference?

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14 Jul 2014 08:58 #5 by sicon
Replied by sicon on topic Re: Multiple local networks over VPN?
Hi
The VLAN is irrelevant as the subnets are still in the routing table.
What make is the opposite end point?

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14 Jul 2014 10:00 #6 by pczaefr
Replied by pczaefr on topic Re: Multiple local networks over VPN?

sicon wrote: Hi
The VLAN is irrelevant as the subnets are still in the routing table.
What make is the opposite end point?



Other and is Cisco and enabled routing for my two subnets..
anything I can try on my end to fix this??

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