From: Ivan (ivan@iip.net)
Date: Wed Dec 13 2006 - 16:37:52 ART
R1 have virual link to 172.16.2.2 but RID of R2 is 11.11.2.2.
R2 virtual link to 11.11.3.3 but RID of R1 is 172.16.1.1
Also check virtual link authehtication. Once you authenticate area 0
virtual-link also must be authenticated.
On Wednesday 13 December 2006 18:18, Liu_Liao wrote:
> Hi All,
> My Configure is ......
>
> <--(s0)R1(s1)<-->(s0)R2(s1)<-->(s0)R3(e0)->
>
> R1
> interface Loopback0
> ip address 172.16.1.1 255.255.255.0
> !
> interface FastEthernet0/0
> ip address 172.16.9.3 255.255.255.0
> duplex auto
> speed auto
> !
> interface Serial0/0 ###### To R2 ######
> ip address 172.16.16.3 255.255.255.0
> encapsulation frame-relay IETF
> ip ospf network point-to-point
> frame-relay map ip 172.16.16.4 604 broadcast
> frame-relay lmi-type ansi
> !
>
> interface Serial0/2
> no ip address
> encapsulation frame-relay
> no frame-relay inverse-arp
> frame-relay lmi-type ansi
> !
> interface Serial0/2.235 multipoint
> ip address 172.16.235.3 255.255.255.0
> ip pim sparse-mode
> ip ospf message-digest-key 235 md5 cisco
> ip ospf priority 200
> frame-relay map ip 172.16.235.2 302 broadcast
> frame-relay map ip 172.16.235.5 305 broadcast
> no frame-relay inverse-arp
> !
> router ospf 1
> router-id 172.16.1.1
> log-adjacency-changes
> area 0 authentication message-digest
> area 2 virtual-link 172.16.2.2
> area 11 range 172.16.8.0 255.255.252.0
> area 11 virtual-link 172.16.1.1
> network 172.16.1.1 0.0.0.0 area 0
> network 172.16.9.3 0.0.0.0 area 11
> network 172.16.16.3 0.0.0.0 area 2
> network 172.16.235.3 0.0.0.0 area 0
> neighbor 172.16.235.5
> neighbor 172.16.235.2
> !
>
> R2
> interface Loopback0
> ip address 11.11.2.2 255.255.255.0
> ip pim sparse-mode
> !
> interface Serial0/0 ##### To R1 ######
> ip address 11.11.16.4 255.255.255.0
> encapsulation frame-relay
> ip ospf network point-to-point
> serial restart-delay 0
> frame-relay map ip 11.11.16.3 406 broadcast
> no frame-relay inverse-arp
> !
> interface Ethernet0/1
> no ip address
> shutdown
> half-duplex
> !
> interface FastEthernet1/0 ### To R3 ###
> ip address 11.11.14.4 255.255.255.0
> duplex auto
> speed auto
> !
> router ospf 4
> router-id 11.11.2.2
> log-adjacency-changes
> area 2 virtual-link 11.11.3.3
> area 3 stub
> area 3 default-cost 18
> network 11.11.2.2 0.0.0.0 area 2
> network 11.11.14.4 0.0.0.0 area 3
> network 11.11.16.4 0.0.0.0 area 2
> !
>
> R3
> interface Loopback0
> ip address 172.16.7.7 255.255.255.0
> !
> interface FastEthernet0/0 ### To R4 ####
> ip address 172.16.14.7 255.255.255.0
> !
> router ospf 7
> router-id 172.16.7.7
> log-adjacency-changes
> area 3 stub
> network 172.16.14.7 0.0.0.0 area 3
> !
>
> nagendra kumar ??:
> > Hi Liu,
> > Can you give us the config info. Have you configured e0 in
> > any area ?. If not, have you redistributed in ospf domain?. I ahve a
> > similar setup in my topo and able to see R3's s0 in R1 routing table.
> >
> > Regards,
> > Nagendra
> >
> > */Liu_Liao <liu_liao@yahoo.com.tw>/* wrote:
> >
> > Hi All
> >
> > <--(s0)R1(s1)<-->(s0)R2(s1)<-->(s0)R3(e0)->
> > R1(s0) area 0
> > R1(s1) and R2(s0) area 2
> > R2(s1) and R3(s0) area 3
> >
> > R1 and R2 configure area 2 virtual-link
> >
> > R2
> > area 3 stub no-summary
> >
> > R3
> > area 3 stub
> >
> > I can't see the route table of R3(s0) and R3(e0), so I can't ping
> > the R1's loopback ip.
> > R3 have default fron ospf.
> >
> > Tks
> >
> > Richard
> >
> >
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-- Ivan
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