From: Mingzhou Nie (mnie@xxxxxxxxx)
Date: Fri May 03 2002 - 02:22:20 GMT-3
Hello, Ying,
The reason why it shows "Adv Router is not-reachable " is because you
have ip ospf network type mismatched at two ends of the link. Go to
each router and do "show ip ospf int" to verify.
Cisco tech tips are your best friend to CCIE.
http://www.cisco.com/warp/public/104/26.html
--- "Narvaez, Pablo" <Pablo.Narvaez@getronics.com> wrote:
> Is the adv router IP add a directly connected interface to the router
> displaying that databse info? .... if not, is that ip address
> (133.10.28.0) known as External? ... If yes, in order to install this
> route in the routing table, the forwarding address must be know as O
> or IA, not Ex
>
> Other thing could be that there's a netwrok-type mismatch in those
> interfaces ... check that both ends have p2p as shown in your output.
>
> -hockito-
>
>
> -----Original Message-----
> From: ying chang [mailto:ying_c@hotmail.com]
> Sent: Domingo, 07 de Abril de 2002 10:28 p.m.
> To: ccielab@groupstudy.com
> Subject: ping ok but OSPF adv router not reachable?
>
>
> Can someone please explain why I can ping the advertising router but
> 'show
> ip ospf database router' say the router is not reachable? What can I
> do from
> here?
>
> Thanks,
> Chang
>
> Adv Router is not-reachable <----- Why???
> LS age: 8 (DoNotAge) <----- this is a virtual link
> Options: (No TOS-capability, DC)
> LS Type: Router Links
> Link State ID: 133.10.28.2
> Advertising Router: 133.10.28.2 <----- ping result at the bottom
> LS Seq Number: 80000004
> Checksum: 0x89A
> Length: 48
> Area Border Router
> Number of Links: 2
>
> Link connected to: another Router (point-to-point)
> (Link ID) Neighboring Router ID: 133.10.1.1
> (Link Data) Router Interface address: 133.10.2.2
> Number of TOS metrics: 0
> TOS 0 Metrics: 9999
>
> Link connected to: a Stub Network
> (Link ID) Network/subnet number: 133.10.2.0
> (Link Data) Network Mask: 255.255.255.0
> Number of TOS metrics: 0
> TOS 0 Metrics: 9999
>
> r4#ping 133.10.28.2 <------ No problem here.
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 133.10.28.2, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 40/40/40
> ms
> r4#
>
>
>
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