11-04-2008 10:32 AM - edited 03-04-2019 12:11 AM
ok, so I have 2 cisco 3845.
Site A's public 216.24.230.2
Site A's private 10.10.10.0/24
Site A's host 10.10.10.200
Site B's public 216.24.238.40
Site B's private 10.10.10.0/24
Site B's host 10.10.10.100
Both sites have the same internal IP schema.
How can I make a VPN between the 2 sites, so that host in site a has full access to host on site B.
As you can see, i'm very newbie when it comes to VPN's.
Thanks in advance.
11-04-2008 10:35 AM
Nelson
Start with this document and come back if you have further questions -
http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a00800b07ed.shtml
Jon
11-04-2008 11:57 AM
but this is for same IP addresses on both sides... I don't have that issue. I simply want the VPN to pass traffic like if it was a bridge to the other site.
So that when I ping from site A to site B's host, it looks like it's local.
Is this at all possible?
11-04-2008 12:10 PM
is there a way to basicaly use the VPN to extend the broadcast domain to the other site? I dont have conflicting IP address, but I also cannot do NAT because of the applications being used and sone other dependencies...
11-04-2008 12:21 PM
Nelson
Apologies for misunderstanding, you made it sound like an overlapping subnet issue.
L2TPv3 will allow you to extend a vlan across a L3 routed link but i think this is more complicated than just using the example i previously supplied -
http://www.cisco.com/en/US/docs/ios/12_3t/12_3t2/feature/guide/gtl2tpv3.html
Jon
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