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You’re asking us where R4 is getting the Frame Relay mapping to R5 from but you didn’t include the output of the “show frame map” command from R4
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: +1-775-544-1653 (Outside the US and Canada)
>—– Original Message —– Subject: Frame relay problem Date: Fri, January 25, 2008 7:14 From: “Ernst Pelser”
> Hi All > I’m seeing a bit of odd behaviour on my frame relay network and need some > input on this please. I’m currently working on the Adv. Tech workbook4.0 - > OSPF section. (Page 14). > > I have routers R1, R4 and R5 connected in a hub-spoke config over a > frame-relay cloud. R1 is the hub. They all connect via static L2/L3 > mappings. For instance R4 connects to R1 and R5 using pvc 401. Inverse arp > is also disabled. > > I also have OSPF running over the cloud and all the serial interfaces are > configured as OSPF type Broadcast interfaces. > > Here is what I’m seeing…. > R4 magically decides that it will try connect to R5 over PVC405 which has > not manually been configured. The Frame-relay switch is configured for > PVC405 but the router hasn’t been. I’m not seeing this on R5’s side even > though the FR switch has been configured for PVC504. Where is R4 getting > this mapping from? > > I have pasted my configs below. > > Thanks, EP. > > > > R1 > service timestamps debug datetime msec > service timestamps log datetime msec > no service password-encryption > ! > hostname R1 > ! > boot-start-marker > boot-end-marker > ! > ! > no aaa new-model > ip subnet-zero > ip cef > ! > ! > no ip domain lookup > ! > ! > ! > ! > ! > interface Ethernet0/0 > ip address 1.0.0.1 255.0.0.0 > half-duplex > ! > interface Serial0/0 > ip address 10.0.0.1 255.0.0.0 > encapsulation frame-relay > ip ospf network broadcast > ip ospf priority 255 > frame-relay map ip 10.0.0.4 104 broadcast > frame-relay map ip 10.0.0.5 105 broadcast > no frame-relay inverse-arp > ! > interface Serial0/1 > no ip address > shutdown > ! > router ospf 1 > router-id 10.0.0.1 > log-adjacency-changes detail > network 0.0.0.0 255.255.255.255 area 0 > ! > ip http server > ip classless > ! > ! > alias exec inb sh ip int brief > alias exec c conf t > alias exec r sho run > alias exec rb sho run | be > alias exec i show ip route > alias exec o show ip ospf ne > ! > line con 0 > exec-timeout 0 0 > logging synchronous > line aux 0 > line vty 0 4 > ! > ! > ! > end > > > R4 > service timestamps debug datetime msec > service timestamps log datetime msec > no service password-encryption > ! > hostname R4 > ! > boot-start-marker > boot-end-marker > ! > ! > no aaa new-model > ip subnet-zero > ! > ! > no ip domain lookup > ! > ip cef > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > interface Ethernet0/0 > ip address 4.0.0.4 255.0.0.0 > half-duplex > ! > interface Serial0/0 > ip address 10.0.0.4 255.0.0.0 > encapsulation frame-relay > ip ospf network broadcast > ip ospf priority 0 > frame-relay map ip 10.0.0.1 401 broadcast > frame-relay map ip 10.0.0.5 401 > no frame-relay inverse-arp > ! > interface Ethernet0/1 > no ip address > shutdown > half-duplex > ! > interface Serial0/1 > no ip address > shutdown > ! > router ospf 1 > router-id 10.0.0.4 > log-adjacency-changes detail > network 0.0.0.0 255.255.255.255 area 0 > ! > ip http server > ip classless > ! > ! > ! > ! > > R5 > service timestamps debug datetime msec > service timestamps log datetime msec > no service password-encryption > ! > hostname R5 > ! > boot-start-marker > boot-end-marker > ! > ! > no aaa new-model > ip subnet-zero > ! > ! > no ip domain lookup > ! > ip cef > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > ! > interface Ethernet0/0 > ip address 5.0.0.5 255.0.0.0 > half-duplex > ! > interface Ethernet0/1 > no ip address > shutdown > half-duplex > ! > interface Serial1/0 > ip address 10.0.0.5 255.0.0.0 > encapsulation frame-relay > ip ospf network broadcast > ip ospf priority 0 > frame-relay map ip 10.0.0.1 501 broadcast > frame-relay map ip 10.0.0.4 501 > no frame-relay inverse-arp > ! > interface Serial1/1 > no ip address > shutdown > ! > interface Serial1/2 > no ip address > shutdown > ! > interface Serial1/3 > no ip address > shutdown > ! > interface Serial1/4 > no ip address > shutdown > ! > interface Serial1/5 > no ip address > shutdown > ! > interface Serial1/6 > no ip address > shutdown > ! > interface Serial1/7 > no ip address > shutdown > ! > router ospf 1 > router-id 10.0.0.5 > log-adjacency-changes > network 0.0.0.0 255.255.255.255 area 0 > ! > ip http server > ip classless > ! > ! > ! > ! > ! > ! > ! > alias exec c conf t > alias exec r sho run > alias exec rb sho run | be > alias exec i show ip route > alias exec o show ip ospf ne > alias exec inb sh ip int brief > ! > line con 0 > exec-timeout 0 0 > logging synchronous > line aux 0 > line vty 0 4 > ! > ! > end > > > Also see R4’s OSPF neighb… > Neighbor ID Pri State Dead Time Address Interface > 10.0.0.1 255 FULL/DR 00:00:32 10.0.0.1 Serial0/0 > 10.0.0.5 0 INIT/DROTHER 00:00:36 10.0.0.5 Serial0/0 > R4# > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html