In the aftermath of Hurricane Ike, I had to move a bunch of servers and users from our Galveston office to a remote site in another city. Normally Galveston and the remote site is connected with a point-to-point T-3. To simplify and hasten getting everything up and running, I setup 3 new Vlans at the new site and duplicated the subnets from the Galveston site, so I wouldn't have to readdress the moved equipment.
Now, the T-3 is backup and they want to start moving everything back to Galveston. Is there an easy way to temporarily bridge the Vlan's at the remote site with the actual Vlans in Galveston? If so, I can move things back to Galveston gradually, otherwise, I'll have to shut everything down, pack everything up and take it back and set it all up.
Even if it's a unsupported hack I don't mind, it'll only be for a few day.
There is one other aspect that must be considered in implementing your suggestion: does the router have IP routing enabled (you have specified no ip address on the fastethernet and serial interfaces so no routing there, but are there any other interfaces on the router that are routing)?
Your suggestion will work as is if the router is configured with no ip routing. But if ip routing is enabled then your suggestion will not work. To get those 2 interfaces to bridge you would need to configure Integrated Routing and Bridging. With IRB you configure bridging on the interfaces as you have suggested but you also configure a Bridged Virtual Interface which allows traffic to move between the routed domain and the bridged domain.
I have not tested this particular aspect and can not say from experience what the router would do with tagged frames. But unless there is some way to assure that there would never be any traffic on the native VLAN then I think that IRB would be required. IRB would allow the router to handle traffic on the native VLAN which is sent untagged.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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