From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Thu Dec 27 2007 - 23:03:48 ART
For all of the spokes is the OSPF priority set to 0? If not what will
happen if one of the spokes and not the hub on the 162.1.0.0/24 subnet
becomes DR?
Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
bdennis@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Direct: 775-745-6404 (Outside the US and Canada)
>----- Original Message -----
Subject: RE: OSPF adjacency problem (may be dynamips related)
Date: Thu, December 27, 2007 17:57
From: steveaggie@gmail.com
> Thanks for taking a look. One thing I just noticed as I was doing this was
> that R3 seems to have a limit on the number of OSPF adjacencies. It has
> adjacencies with 2 other routers out that interface. (This is IEWB-DYN Lab
> 5). When I killed one of the other routers, suddenly the R2-R3 adjacency
> came up. Then after a few minutes R3-R5 finally comes up. I don't know
> what's going on now.
>
> -------------R2--------------
> version 12.4
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname Rack1R2
> !
> boot-start-marker
> boot-end-marker
> !
> enable password cisco
> !
> no aaa new-model
> memory-size iomem 5
> !
> !
> ip cef
> no ip domain lookup
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> interface Loopback0
> ip address 150.1.2.2 255.255.255.0
> !
> interface FastEthernet0/0
> ip address 162.1.27.2 255.255.255.0
> duplex auto
> speed auto
> !
> interface Serial1/0
> no ip address
> encapsulation frame-relay
> serial restart-delay 0
> !
> interface Serial1/0.1 point-to-point
> ip address 162.1.0.2 255.255.255.0
> ip ospf network non-broadcast
> frame-relay interface-dlci 203
> !
> interface Serial1/1
> no ip address
> shutdown
> serial restart-delay 0
> !
> interface Serial1/2
> no ip address
> shutdown
> serial restart-delay 0
> !
> interface Serial1/3
> no ip address
> shutdown
> serial restart-delay 0
> !
> router ospf 1
> router-id 150.1.2.2
> log-adjacency-changes
> area 27 stub no-summary
> network 150.1.2.2 0.0.0.0 area 0
> network 162.1.0.2 0.0.0.0 area 0
> network 162.1.27.2 0.0.0.0 area 27
> neighbor 162.1.0.3
> !
> router bgp 300
> no synchronization
> bgp log-neighbor-changes
> neighbor 162.1.0.3 remote-as 300
> neighbor 162.1.27.7 remote-as 65001
> no auto-summary
> !
> ip http server
> ip forward-protocol nd
> !
> !
> !
> !
> !
> !
> control-plane
> !
> !
> !
> !
> !
> !
> !
> !
> !
> line con 0
> exec-timeout 0 0
> privilege level 15
> logging synchronous
> line aux 0
> exec-timeout 0 0
> privilege level 15
> line vty 0 4
> password cisco
> login
> !
> !
> end
>
> Rack1R2#sh ip ospf nei
>
> Neighbor ID Pri State Dead Time Address Interface
> 150.1.3.3 10 FULL/DR 00:01:42 162.1.0.3
> Serial1/0.1
> 150.1.7.7 1 FULL/DR 00:00:39 162.1.27.7
> FastEthernet0/0
> Rack1R2#sh frame map
> Serial1/0.1 (up): point-to-point dlci, dlci 203(0xCB,0x30B0), broadcast
> status defined, active
>
> ------------------R3-----------------------
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname Rack1R3
> !
> boot-start-marker
> boot-end-marker
> !
> enable password cisco
> !
> no aaa new-model
> memory-size iomem 5
> !
> !
> ip cef
> no ip domain lookup
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> interface Loopback0
> ip address 150.1.3.3 255.255.255.0
> !
> interface Ethernet0/0
> ip address 162.1.38.3 255.255.255.0
> full-duplex
> !
> interface Ethernet0/1
> ip address 162.1.3.3 255.255.255.0
> full-duplex
> !
> interface Ethernet0/2
> no ip address
> shutdown
> half-duplex
> !
> interface Ethernet0/3
> no ip address
> shutdown
> half-duplex
> !
> interface Serial1/0
> ip address 162.1.0.3 255.255.255.0
> encapsulation frame-relay
> ip ospf network non-broadcast
> ip ospf priority 10
> serial restart-delay 0
> frame-relay map ip 162.1.0.2 302 broadcast
> frame-relay map ip 162.1.0.4 304 broadcast
> frame-relay map ip 162.1.0.5 305 broadcast
> frame-relay interface-dlci 302
> no frame-relay inverse-arp
> !
> interface Serial1/1
> ip address 162.1.13.3 255.255.255.0
> encapsulation frame-relay
> serial restart-delay 0
> frame-relay map ip 162.1.13.1 311 broadcast
> no frame-relay inverse-arp
> !
> interface Serial1/2
> no ip address
> serial restart-delay 0
> !
> interface Serial1/3
> no ip address
> serial restart-delay 0
> !
> router eigrp 200
> redistribute ospf 1 metric 10000 100 255 1 1500
> network 162.1.3.3 0.0.0.0
> network 162.1.13.3 0.0.0.0
> network 162.1.38.3 0.0.0.0
> metric weights 0 3 1 0 1 0
> no auto-summary
> !
> router ospf 1
> router-id 150.1.3.3
> log-adjacency-changes
> network 150.1.3.3 0.0.0.0 area 0
> network 162.1.0.3 0.0.0.0 area 0
> neighbor 162.1.0.2
> neighbor 162.1.0.4
> neighbor 162.1.0.5
> default-information originate always
> !
> router bgp 300
> no synchronization
> bgp log-neighbor-changes
> neighbor 162.1.0.2 remote-as 300
> neighbor 162.1.0.4 remote-as 100
> neighbor 162.1.13.1 remote-as 200
> neighbor 162.1.38.8 remote-as 65002
> no auto-summary
> !
> ip http server
> ip forward-protocol nd
> !
> !
> !
> !
> !
> !
> control-plane
> !
> !
> !
> !
> !
> !
> !
> !
> !
> line con 0
> exec-timeout 0 0
> privilege level 15
> logging synchronous
> line aux 0
> exec-timeout 0 0
> privilege level 15
> line vty 0 4
> password cisco
> login
> !
> !
> end
>
> Rack1R3#sh ip ospf nei
>
> Neighbor ID Pri State Dead Time Address Interface
> 150.1.2.2 1 FULL/DROTHER 00:01:53 162.1.0.2 Serial1/0
> 150.1.4.4 1 FULL/DR 00:01:57 162.1.0.4 Serial1/0
> 150.1.5.5 1 FULL/DROTHER 00:01:48 162.1.0.5 Serial1/0
> Rack1R3#sh frame map
> Serial1/0 (up): ip 162.1.0.2 dlci 302(0x12E,0x48E0), static,
> broadcast,
> CISCO, status defined, active
> Serial1/0 (up): ip 162.1.0.4 dlci 304(0x130,0x4C00), static,
> broadcast,
> CISCO, status defined, active
> Serial1/0 (up): ip 162.1.0.5 dlci 305(0x131,0x4C10), static,
> broadcast,
> CISCO, status defined, active
> Serial1/1 (up): ip 162.1.13.1 dlci 311(0x137,0x4C70), static,
> broadcast,
> CISCO, status defined, active
>
> -----Original Message-----
> From: Brian Dennis [mailto:bdennis@internetworkexpert.com]
> Sent: Thursday, December 27, 2007 7:40 PM
> To: steveaggie@gmail.com; ccielab@groupstudy.com
> Subject: Re: OSPF adjacency problem (may be dynamips related)
>
> Can you post your configurations for these two routers along with the
> output of the show ip ospf neighbor and show frame-relay map commands from
> each router?
>
> Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
> bdennis@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
> >----- Original Message -----
> Subject: OSPF adjacency problem (may be dynamips related)
> Date: Thu, December 27, 2007 16:38
> From: steveaggie@gmail.com
>
> > Has anyone had trouble with OSPF routes not being added to your routing
> > table even though they're unique routes? I've been having a heck of a
> time
> > with 2 routers forming an adjacency. My topology looks like this:
> >
> >
> >
> > R2---frame-------R3
> >
> >
> >
> > R2 is a p2p sub interface. R3 is a physical interface. Both are
> configured
> > as non-broadcast and the other neighbor is specified.
> >
> >
> >
> > They don't seem to send hellos every 30 seconds, but once in a blue moon.
> > They will get up to EXSTART on R2 and 2WAY on R3 but eventually the dead
> > timer goes off and they start over. If I change the network type on
> both to
> > broadcast they will get to FULL pretty quickly, but then R2 never puts
the
> > routes in the routing table even though they show up in the OSPF
database.
> >
> >
> >
> > One time I rebooted the whole network and everything worked fine (in
> > non-broadcast mode). I'm using dynamips so I'm wondering if it's somehow
> > related. I can run a continuous ping between the routers and not drop a
> > packet.
> >
> >
> >
> > Please help before I pull my hair out.
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Tue Jan 01 2008 - 12:04:32 ARST