From: Carlos glez (cciecarlogon@gmail.com)
Date: Wed Sep 26 2007 - 21:35:11 ART
this is a bug , although i faced it with NBMA, after i reboot with the
neighbor command in place the virtual link does not come up no matter what.
see if it helps CSCse72792
On 9/25/07, sirus MOGHADASIAN <cyrus.mgh@gmail.com> wrote:
>
> Hi,
>
> I face a really odd situation, consider diagram in lab5 of core labs , I
> want to build two virtual-link between R2--R5 and R5--R1 ,so here is the
> configuration of these routers:
>
> Problem: first virtual-link came up for R5-R1 and virtual-link for R2 is
> down/down on R5 and up/up on R2, what ever I do I cannot make it to work.
> so
> I save erase virtual-link configurations and save configs and later when I
> start lab again and I configure R2-R5 virtual-link first it comes
> up!!!!!!!!! but when I do same for R1-R5 it does not work. and same
> situation ( virtual-link for R1 down/down on R5 and up/up on R1) , so any
> idea what happen there????? IOS version 12.4(5a)
>
>
> R1:
> interface Serial1/0.1 multipoint
> frame-relay interface-dlci 105 ppp Virtual-Template1
> no frame-relay inverse-arp
> !
> interface Virtual-Template1
> ip address 128.1.125.1 255.255.255.0
> !
> router ospf 1
> router-id 150.1.1.1
> log-adjacency-changes
> area 125 virtual-link 150.1.5.5
> redistribute eigrp 10 metric 190 subnets
> network 128.1.125.1 0.0.0.0 area 125
> network 128.1.136.1 0.0.0.0 area 0
> network 150.1.1.1 0.0.0.0 area 321
> !
>
>
> R2:
> interface Serial1/0.1 multipoint
> frame-relay interface-dlci 205 ppp Virtual-Template1
> no frame-relay inverse-arp
> !
> !
> interface Virtual-Template1
> ip address 128.1.125.2 255.255.255.0
> !
> router ospf 1
> router-id 150.1.2.2
> log-adjacency-changes
> area 12 stub
> area 125 virtual-link 150.1.5.5
> network 128.1.27.2 0.0.0.0 area 12
> network 128.1.72.2 0.0.0.0 area 0
> network 128.1.125.2 0.0.0.0 area 125
> network 150.1.2.2 0.0.0.0 area 321
> !
>
> R5:
> interface Serial1/0.1 multipoint
> frame-relay interface-dlci 501 ppp Virtual-Template1
> frame-relay interface-dlci 502 ppp Virtual-Template1
> no frame-relay inverse-arp
> !
> !
> interface Virtual-Template1
> ip address 128.1.125.5 255.255.255.0
> !
> router ospf 1
> log-adjacency-changes
> area 125 virtual-link 150.1.1.1
> area 125 virtual-link 150.1.2.2
> redistribute rip metric 5120 subnets
> network 128.1.125.5 0.0.0.0 area 125
> network 150.1.5.5 0.0.0.0 area 765
> !
>
>
> any idea??
>
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