| Hansang Bae 2003-09-03, 11:25 pm |
| In article <IOr5b.162459$yg.42473787@news4.srv.hcvlny.cv.net>, swill777
@hotmail.com says...
> Does anyone have any ideas??
> Here is the situation... we are using 2 cisco 2500 series routers with the
> latest IOS and have a VPN connection established between the 2. The rest of
> our network is connected via frame relay which AT&T manages.. We cannot
> share OSPF information with the FrameRelay-Windsor router or the
> FrameRelay-Stamford routers.. it is not an option.. otherwise we wouldn't be
> having the problem that I am about to describe.
> We want to set the gateway on our hosts as the Cisco 2500 router which
> has the VPN connection. This way while the VPN connection is up traffic
> will flow fine. Now when and if the VPN connection goes down, we need the
> 2500 router to forward traffic to the appropriate frame-relay router. Like
> I said before, we cannot configure anything on the existing frame relay
> routers. So, the 2500 router will have to update it's routing table when
> the VPN link goes down.
[snip]
One way would be to run BGP between the VPN connected 2500 routers. If
you point everyone's gateway to the BGP routers, EBGPs admin distance
will trump your OSPF routes.
On the VPN 2500's just have a static default route pointing to your FR
router. If BGP is up and running, the static default won't be used. If
BGP goes down, the static default will be used.
--
hsb
"Somehow I imagined this experience would be more rewarding" Calvin
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