From: beda jain (bpjain@cisco.com)
Date: Fri Sep 13 2002 - 16:29:54 GMT-3
r2--------------isdn------------r7--------------------O
| |
r5---------------------------------|
r5 is hub r2 and r7 are spoke . all router are running ospf in area 0.
dlsw peer between r7 and r2, r7 and r5.
the peer between r2 and r7 should be prefer by r5 if r5 is down then it
should prefer by isdn.
I think all can be controlled by routing , we can increase the cost between
r7 and r2 ti higher then r5.
or do we need do some thing else ?????
i did not like the solution given by routparia lab 2.
interface BRI0
ip address 172.16.27.1 255.255.255.252
no ip directed-broadcast
encapsulation ppp
no ip route-cache
ip ospf message-digest-key 1 md5 cisco
ip ospf demand-circuit
no ip mroute-cache
dialer map llc2 name R7 broadcast 5552000 why this is required.
dialer map ip 172.16.27.2 name R7 broadcast 5552000
dialer map snapshot 27 broadcast 5552000
dialer load-threshold 128 either
dialer-group 1
ipx network 27
isdn switch-type basic-5ess
no peer neighbor-route
snapshot client 6 60 dialer
compress predictor
ppp quality 70
ppp authentication chap
ppp multilink
!
access-list 1 permit 172.16.50.0 0.0.0.255
access-list 100 deny ip any host 224.0.0.5 why this is required when it
is ospf demand circuit is configure.
access-list 100 permit ip any any
dialer-list 1 protocol llc2 permit why this is required
dialer-list 1 protocol ip list 100
!
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