From: Ilya Mazhara (willy@xxxxxxxxxxxxxxxx)
Date: Thu May 24 2001 - 07:29:30 GMT-3
I play with dlsw on top of this chart but it works, 2 summaries had been
created to area's 2&3:
R4#sh ip osp da sum 170.10.7.0
OSPF Router with ID (170.10.5.1) (Process ID 1)
Summary Net Link States (Area 2)
LS age: 419
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 170.10.7.0 (summary Network Number)
Advertising Router: 170.10.5.1
LS Seq Number: 80000005
Checksum: 0x1A68
Length: 28
Network Mask: /24
TOS: 0 Metric: 64
Summary Net Link States (Area 3)
LS age: 419
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 170.10.7.0 (summary Network Number)
Advertising Router: 170.10.5.1
LS Seq Number: 80000005
Checksum: 0x1A68
Length: 28
Network Mask: /24
TOS: 0 Metric: 64
Cheong Kok Yong wrote:
>
> Hi,
>
> In fatkid lab 501, Trying to find method to redistribute the 170.10.7.0/28
> to igrp router.
>
> question is to redistribute the ospf /28 route to r1 (igrp), what I did was
> putting "area 0 range 170.10.7.0 255.255.255.0" in R5 (ABR) and
> "summary-address 170.10.7.0 255.255.255.0" in R4, but doesn't seem to work.
>
> I thought "area x range" command can only be used in other areas, e.g "area
> 2 range ...." but not area 0. another doubt is that when you create the
> "summary-address ...." at the ospf router, you will see the "O
> 170.10.7.0/24 is a summary, 00:48:33, Null0" is created in that particular
> router OR the down/upstream router OR all ospf routers. and why they created
> "summary-address..." command at 2 routers ?
>
> Another interesting thing is that when I tried to create the summary-address
> at other router, I get:
>
> r2#sh ip os s
> OSPF Process 1, Summary-address
> 170.10.7.0/255.255.255.0 Metric -1, Type 0, Tag 0
>
> But the one created at R4 is:
>
> r4#sh ip os s
> OSPF Process 1, Summary-address
> 170.10.7.0/255.255.255.0 Metric 16777215, Type 0, Tag 0
>
> Any Clues.
>
> Appreciate your advise.
>
> Thanks
> Cheong
>
> r5#sh run
> hostname r5
> !
> interface Loopback0
> ip address 170.10.9.5 255.255.255.0
> !
> interface Ethernet0
> ip address 170.10.128.5 255.255.255.192
> !
> interface Serial0
> ip address 170.10.7.5 255.255.255.240
> encapsulation frame-relay
> ip ospf network point-to-multipoint
> no fair-queue
> frame-relay map ip 170.10.7.2 102 broadcast
> frame-relay map ip 170.10.7.3 103 broadcast
> no frame-relay inverse-arp
> !
> interface Serial1
> no ip address
> shutdown
> !
> router ospf 1
> network 170.10.7.0 0.0.0.15 area 0
> network 170.10.128.0 0.0.0.63 area 2
> network 170.10.9.0 0.0.0.255 area 2
> area 0 range 170.10.7.0 255.255.255.0
> area 2 range 170.10.9.0 255.255.255.0
> area 2 range 170.10.128.0 255.255.255.0
> area 2 virtual-link 170.10.5.4
> !
> ip classless
> !
> !
> line con 0
> exec-timeout 0 0
> line aux 0
> line vty 0 4
> login
> !
> end
>
> r4#sh run
> Building configuration...
>
> Current configuration:
> !
> version 12.0
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname r4
> !
> !
> !
> !
> !
> !
> ip subnet-zero
> no ip domain-lookup
> !
> isdn voice-call-failure 0
> cns event-service server
> !
> !
> !
> !
> !
> !
> !
> !
> interface Loopback0
> ip address 170.10.5.4 255.255.255.0
> no ip directed-broadcast
> ip ospf network point-to-point
> !
> interface Ethernet0/0
> ip address 170.10.128.4 255.255.255.192
> no ip directed-broadcast
> !
> interface Serial0/0
> no ip address
> no ip directed-broadcast
> shutdown
> !
> interface TokenRing0/0
> ip address 170.10.3.4 255.255.255.0
> no ip directed-broadcast
> ring-speed 16
> !
> interface BRI0/0
> no ip address
> no ip directed-broadcast
> shutdown
> isdn guard-timer 0 on-expiry accept
> !
> interface Serial0/1
> no ip address
> no ip directed-broadcast
> shutdown
> !
> interface Serial1/0
> ip address 170.10.2.4 255.255.255.0
> no ip directed-broadcast
> !
> interface Serial1/1
> ip address 192.19.15.4 255.255.255.0
> no ip directed-broadcast
> !
> interface Serial1/2
> no ip address
> no ip directed-broadcast
> shutdown
> !
> interface Serial1/3
> no ip address
> no ip directed-broadcast
> shutdown
> !
> router ospf 1
> area 2 virtual-link 170.10.9.5
> area 3 range 170.10.5.0 255.255.255.0
> summary-address 170.10.200.0 255.255.255.0
> summary-address 170.10.7.0 255.255.255.0
> redistribute rip subnets route-map rip2ospf
> redistribute igrp 1 subnets route-map igrp2ospf
> network 170.10.5.0 0.0.0.255 area 3
> network 170.10.128.0 0.0.0.255 area 2
> !
> router rip
> redistribute igrp 1 route-map igrp2ospf
> redistribute ospf 1 route-map ospf2igrp
> passive-interface Ethernet0/0
> passive-interface Serial1/0
> passive-interface Loopback0
> network 170.10.0.0
> default-metric 3
> !
> router igrp 1
> redistribute rip route-map rip2ospf
> redistribute ospf 1 route-map ospf2igrp
> passive-interface Ethernet0/0
> passive-interface TokenRing0/0
> passive-interface Loopback0
> network 170.10.0.0
> default-metric 10000 1000 255 1 1500
> !
> ip classless
> no ip http server
> !
> access-list 1 permit 170.10.5.0 0.0.0.255
> access-list 1 permit 170.10.128.0 0.0.0.255
> access-list 1 permit 170.10.9.0 0.0.0.255
> access-list 1 permit 170.10.7.0 0.0.0.255
> access-list 1 permit 170.10.8.0 0.0.0.255
> access-list 1 permit 170.10.4.0 0.0.0.255
> access-list 1 permit 170.10.144.0 0.0.0.255
> access-list 1 permit 170.10.6.0 0.0.0.255
> access-list 1 permit 170.10.6.0 0.0.0.255
> access-list 2 permit 170.10.4.0 0.0.0.255
> access-list 3 permit 170.10.1.0 0.0.0.255
> access-list 3 permit 170.10.2.0 0.0.0.255
> access-list 3 permit 170.10.3.0 0.0.0.255
> access-list 4 permit 170.10.6.0 0.0.0.255
> access-list 4 permit 170.10.144.0 0.0.0.255
> route-map ospf2igrp permit 10
> match ip address 1
> !
> route-map igrp2ospf permit 10
> match ip address 3
> !
> route-map rip2ospf permit 10
> match ip address 2
> !
> !
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
>
> r4#
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