From: ccie2be (ccie2be@nyc.rr.com)
Date: Mon Feb 21 2005 - 11:28:48 GMT-3
The neighbor command is (should) only used on the hub router.
Config ip os priority on the spokes to make sure they don't become either
the DR or BDR.
HTH, Tim
----- Original Message -----
From: "Ahmed Hassan" <ahmed_hassan@rayatelecom.net>
To: <ccielab@groupstudy.com>
Sent: Monday, February 21, 2005 9:15 AM
Subject: HELPPPPPPPP ! ospf strange behaviour
> Dear all
> I need your help in ospf very strange behaviour
>
> I have A hub and spoke topology over frame-relay
> it's required that I'll not change the ospf network type.
> But on the spoke router, each time I try to but the command
> Ip ospf priority 0 under the serial interface. I find that the command
> neifgpor x.x.x.x disappears under the ospf process do I miss any thing
> please help
>
> The following is my configuration before and after the command
> Note my ver is c1700-sv8y7-mz.123-1a.bin, I also tested the same config
> on ver 12.2(15)T but the same
>
>
>
> Router#conf t
> Enter configuration commands, one per line. End with CNTL/Z.
> Router(config)#in
> Router(config)#interface ser 0/0
> Router(config-if)#ip os
> Router(config-if)#ip ospf p
> Router(config-if)#ip ospf priority 1
> Router(config-if)#
> Router(config-if)#^Z
> Router#
> Router#sh run
> Router#sh running-config
> Building configuration...
>
> Current configuration : 1201 bytes
> !
> interface Loopback22
> ip address 22.22.22.22 255.255.255.0
> !
> interface Serial0/0
> ip address 5.5.5.5 255.255.255.0
> encapsulation frame-relay
> ip ospf network non-broadcast
> no fair-queue
> !
> interface Serial0/1
> ip address 6.6.6.6 255.255.255.0
> encapsulation frame-relay
> !
> router ospf 1
> log-adjacency-changes
> network 5.5.5.5 0.0.0.0 area 0
> network 6.6.6.6 0.0.0.0 area 1
> neighbor 5.5.5.4 priority 1
> neighbor 6.6.6.5
> !
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> Router#conf t
> Enter configuration commands, one per line. End with CNTL/Z.
> Router(config)#in
> Router(config)#interface ser 0/0
> Router(config-if)#ip ospf priority 0
> Router(config-if)#^Z
> Router#sh run
> interface Loopback22
> ip address 22.22.22.22 255.255.255.0
> !
> interface FastEthernet0/0
> no ip address
> shutdown
> speed auto
> !
> interface Serial0/0
> ip address 5.5.5.5 255.255.255.0
> encapsulation frame-relay
> ip ospf network non-broadcast
> ip ospf priority 0
> no fair-queue
> !
> interface Serial0/1
> ip address 6.6.6.6 255.255.255.0
> encapsulation frame-relay
> !
> interface Serial1/0
> no ip address
> shutdown
> !
> router ospf 1
> log-adjacency-changes
> network 5.5.5.5 0.0.0.0 area 0
> network 6.6.6.6 0.0.0.0 area 1
> neighbor 6.6.6.5
> !
> ip classless
> no ip http server
> !
> ------------------------------------------------------------------------
> ---
>
> Router#conf t
> Enter configuration commands, one per line. End with CNTL/Z.
> Router(config)#in
> Router(config)#interface ser 0/0
> Router(config-if)#ip ospf priority 1
> Router(config-if)#^Z
> Router#sh run
> Router#sh running-config
> !
> !
> interface Loopback22
> ip address 22.22.22.22 255.255.255.0
> !
> interface Serial0/0
> ip address 5.5.5.5 255.255.255.0
> encapsulation frame-relay
> ip ospf network non-broadcast
> no fair-queue
> !
> interface Serial0/1
> ip address 6.6.6.6 255.255.255.0
> encapsulation frame-relay
> !
> interface Serial1/0
> no ip address
> shutdown
> !
> router ospf 1
> log-adjacency-changes
> network 5.5.5.5 0.0.0.0 area 0
> network 6.6.6.6 0.0.0.0 area 1
> neighbor 5.5.5.4 priority 1
> neighbor 6.6.6.5
> !
> ip classless
> no ip http server
> !
> !
> !
> !
> voice-port 2/0
>
> Router#
>
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