From: Carl Phelan (carlphelan@xxxxxxxxxxx)
Date: Wed Feb 06 2002 - 20:12:41 GMT-3
As you can see below, the timers are the same for all 3 routers as the hello
interval on R3 must be 60 secs. - so must the other 2 routers in the frame
in order to peer. Many thanks for your reply. I did put a neighbor
statement on both R2 and
R3 in OSPF config mode - weird thing is it doesn't show up in 'sh run' but
changes the OSPF neighbor state from nothing to ATTEMPT. I am using the
following IOS:
System image file is "flash:c2500-ins-l.120-15.bin" on all 3 routers.
R2#sh ip ospf int
Serial1 is up, line protocol is up
Internet Address 140.100.4.2/24, Area 0
Process ID 1, Router ID 140.100.4.2, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State DROTHER, Priority 0
Designated Router (ID) 140.100.4.1, Interface address 140.100.4.1
No backup designated router on this network
Timer intervals configured, Hello 60, Dead 240, Wait 240, Retransmit 5
Hello due in 00:00:39
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 140.100.4.1 (Designated Router)
Suppress hello for 0 neighbor(s)
R1#sh ip ospf int s0.2
Serial0.2 is up, line protocol is up
Internet Address 140.100.4.1/24, Area 0
Process ID 1, Router ID 140.100.4.1, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 140.100.4.1, Interface address 140.100.4.1
No backup designated router on this network
Timer intervals configured, Hello 60, Dead 240, Wait 240, Retransmit 5
Hello due in 00:00:23
Neighbor Count is 2, Adjacent neighbor count is 2
Adjacent with neighbor 140.100.4.2
Adjacent with neighbor 140.100.4.3
Suppress hello for 0 neighbor(s)
R3#sh ip ospf int
Serial0 is up, line protocol is up
Internet Address 140.100.4.3/24, Area 0
Process ID 1, Router ID 140.100.4.3, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State DROTHER, Priority 0
Designated Router (ID) 140.100.4.1, Interface address 140.100.4.1
No backup designated router on this network
Timer intervals configured, Hello 60, Dead 240, Wait 240, Retransmit 5
Hello due in 00:00:14
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 140.100.4.1 (Designated Router)
Suppress hello for 0 neighbor(s)
----- Original Message -----
From: "Emmanuel Oppong" <e-oppong@attbi.com>
To: "Carl Phelan" <carlphelan@hotmail.com>; <ccielab@groupstudy.com>
Cc: <e-oppong@attbi.com>
Sent: Wednesday, February 06, 2002 10:56 PM
Subject: RE: Solie and Skynet - Practice Lab 1
> You must use a multipoint interface on r2 or use "ip ospf netwwork
> point-to-multipoint" on both interfaces. BUT the lab states that you
cannot
> use any "ip ospf network .." statement, so you have to use a multipoint
> interface. This will make the interface timers the same. If you do "sh
ip
> ospf int s0" on r2 and "sh ip ospf int s0.2" on r1, you see that they have
> different timer values. For adjacency you need the same timer values.
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Carl Phelan
> Sent: Wednesday, February 06, 2002 2:27 PM
> To: ccielab@groupstudy.com
> Subject: Solie and Skynet - Practice Lab 1
>
>
> Hi All,
>
> I am having problems with this lab trying to get R2 and R3 to OSPF peer
over
> hub and spoke Frame Relay . R1 is the hub and both R2 and R3 the spokes.
I
> include the relevant config excerpts. Both R2 and R3 can ping each
other -
> R1
> is in a full state with both R2 and R3 so where am I going wrong?
>
> Many thanks for your help.
>
>
>
>
> R1
> interface Serial0
> no ip address
> no ip directed-broadcast
> encapsulation frame-relay
> ip ospf priority 200
> no ip mroute-cache
> logging event subif-link-status
> logging event dlci-status-change
> no arp frame-relay
> no frame-relay inverse-arp
> frame-relay lmi-type ansi
> ....
> interface Serial0.2 multipoint
> ip address 140.100.4.1 255.255.255.0
> no ip directed-broadcast
> ip ospf hello-interval 60
> frame-relay map ip 140.100.4.2 110 broadcast
> frame-relay map ip 140.100.4.3 120 broadcast
> ....
> router ospf 1
> network 140.100.4.0 0.0.0.255 area 0
> neighbor 140.100.4.3
> neighbor 140.100.4.2
>
> R1#sh ip ospf ne
>
> Neighbor ID Pri State Dead Time Address
Interface
> 140.100.4.2 0 FULL/DROTHER 00:03:43 140.100.4.2
Serial0.2
> 140.100.4.3 0 FULL/DROTHER 00:03:55 140.100.4.3
Serial0.2
>
>
> R2
> interface Serial1
> bandwidth 64
> ip address 140.100.4.2 255.255.255.0
> no ip directed-broadcast
> encapsulation frame-relay
> ip ospf hello-interval 60
> ip ospf priority 0
> logging event subif-link-status
> logging event dlci-status-change
> frame-relay map ip 140.100.4.1 111 broadcast
> frame-relay map ip 140.100.4.3 111 broadcast
> frame-relay lmi-type ansi
> ....
> router ospf 1
> network 140.100.4.0 0.0.0.255 area 0
> ...
> R2#sh ip ospf ne
>
> Neighbor ID Pri State Dead Time Address
Interface
> 140.100.4.1 1 FULL/DR 00:03:25 140.100.4.1 Serial1
> N/A 0 ATTEMPT/DROTHER - 140.100.4.3 Serial1
>
>
> R3
> interface Serial0
> ip address 140.100.4.3 255.255.255.0
> no ip directed-broadcast
> encapsulation frame-relay
> ip ospf hello-interval 60
> ip ospf priority 0
> no ip mroute-cache
> logging event subif-link-status
> logging event dlci-status-change
> frame-relay map ip 140.100.4.1 121 broadcast
> frame-relay map ip 140.100.4.2 121 broadcast
> frame-relay lmi-type ansi
> ....
> router ospf 1
> network 140.100.4.0 0.0.0.255 area 0
> ....
> R3#sh ip ospf ne
>
> Neighbor ID Pri State Dead Time Address
Interface
> 140.100.4.1 1 FULL/DR 00:03:49 140.100.4.1 Serial0
> N/A 0 ATTEMPT/DROTHER - 140.100.4.2 Serial0
> R3#ping 140.100.4.2
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.100.4.2, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 112/117/128 ms
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