I noticed that the bridge-group command is unavailable for tunnel interfaces on a cisco 3640 router. Is there any way to build a bridge over a cisco tunnel interface? It has to be lan bridge because its going to be a backup connection for a DR site and needs to look like another extension of the lan. The tunnel is ipsec vpn and is going across a cable internet connection. If not, maybe someone could point me in the right direction as to what other options I could pursue.
I can not tell from your post whether the tunnel that you are talking about is an IPSec tunnel or a GRE tunnel. For IPSec tunnel I can understand the lack of support since IPSec is for unicast IP traffic.
I know that it used to be true that bridging over GRE tunnels was not officially supported but that the command was available in the interface and you could configure it. I am not sure if this has changed.
You are correct that GRE is not encrypted. It is possible to combine GRE with IPSec and therefore to get the best of both. If you configure a GRE tunnel between the peers you can then configure IPSec to encrypt the traffic passing through the GRE tunnel.
Be aware that configuring bridge-group under a GRE tunnel is officially not supported. There may be a warning message about this when you configure it. The warning message does not say that it will not work. But it does say that if you encounter problems while running this that the TAC may not be able to help you solve the problem.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...