Re: ISIS / OSPF Redistribution

From: Adarsh Singh (adarshs@hclinfinet.net)
Date: Tue Dec 10 2002 - 16:33:04 GMT-3


Hi ,
Raised some doubts here , i even thought that ISIS is off the syllabus?
Pls clear up on this.

Adarsh
----- Original Message -----
From: "Joe Chang" <changjoe@earthlink.net>
To: <ccielab@groupstudy.com>
Sent: Tuesday, December 10, 2002 8:51 AM
Subject: Re: ISIS / OSPF Redistribution

> Though CLNS is no longer on the test, I think Cisco has made no such
> pronouncement about ISIS.
>
> ----- Original Message -----
> From: "CCOnlineLabs.com" <tschaffran@cconlinelabs.com>
> To: "'Jason Cash'" <cash2001@swbell.net>; <ccielab@groupstudy.com>
> Sent: Monday, December 09, 2002 11:36 PM
> Subject: RE: ISIS / OSPF Redistribution
>
>
> > Are you studying ISIS for the CCIE lab? I thought ISIS was no longer a
> > requirement.
> >
> >
> > Tony Schaffran
> > CCOnlineLabs.com
> > http://www.cconlinelabs.com
> >
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Jason Cash
> > Sent: Monday, December 09, 2002 6:27 PM
> > To: ccielab@groupstudy.com
> > Subject: ISIS / OSPF Redistribution
> >
> > I am having problems with redistributing ISIS routes into OSPF for some
> > reason. Here is the scenarion:
> >
> > R2(area A) L2 / R3(area B) L1-2 / R5(areaB) L1 are ISIS routers. I have
> > OSPF running on R1/ R3/ R4 all in area 0. The problem is that the route
> > generated from R5 (ISIS L1) 162.1.1.0/24 is not getting redistributed
> > into OSPF at R3 which is performing mutual redist.
> >
> > Here is the layout:
> >
> >
> > R5
> > |
> > |
> > R2 R3
> > \ /
> > \ /
> > \ /
> > / \
> > / \
> > / \
> > R1 R4
> >
> >
> > Here is some out put from router 3 then I'll post the configs:
> >
> > r3#sh isis data det [THIS shows that the route is in R3] as well as
> > the sh ip ro
> >
> > IS-IS Level-1 Link State Database:
> > LSPID LSP Seq Num LSP Checksum LSP Holdtime
> > ATT/P/OL
> > r3.00-00 * 0x0000000B 0xC9B8 957 1/0/0
> > Auth: Length: 7
> > Area Address: 0b
> > NLPID: 0xCC
> > Hostname: r3
> > IP Address: 153.1.53.67
> > Metric: 10 IP 153.1.200.0 255.255.255.0
> > Metric: 10 IP 153.1.53.64 255.255.255.224
> > Metric: 10 IS r3.01
> > Metric: 10 IS r5.00
> > Metric: 84 IP-External 153.1.200.1 255.255.255.255
> > Metric: 84 IP-External 153.1.200.4 255.255.255.255
> > Metric: 84 IP-External 153.1.43.0 255.255.255.128
> > Metric: 84 IP-External 153.1.104.1 255.255.255.255
> > Metric: 84 IP-External 153.1.101.0 255.255.255.0
> > Metric: 84 IP-External 1.1.1.1 255.255.255.255
> > Metric: 84 IP-External 1.3.3.3 255.255.255.255
> > Metric: 84 IP-External 1.2.2.2 255.255.255.255
> > Metric: 84 IP-External 1.4.4.4 255.255.255.255
> > Metric: 84 IP-External 186.1.1.0 255.255.255.0
> > r3.01-00 * 0x00000001 0xC85D 584 0/0/0
> > Auth: Length: 7
> > Metric: 0 IS r3.00
> > r5.00-00 0x00000006 0x6C5E 852 0/0/0
> > Auth: Length: 7
> > Area Address: 0b
> > NLPID: 0xCC
> > Hostname: r5
> > IP Address: 153.1.53.68
> > Metric: 10 IP 162.1.1.0 255.255.255.0
> > Metric: 10 IP 153.1.53.64 255.255.255.224
> > Metric: 10 IS r5.01
> > Metric: 10 IS r3.00
> >
> > r3#sh ip ro [AND HERE]
> > Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
> > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> > E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
> > i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
> > inter area
> > * - candidate default, U - per-user static route, o - ODR
> > P - periodic downloaded static route
> >
> > Gateway of last resort is 153.1.200.2 to network 0.0.0.0
> >
> > 162.1.0.0/24 is subnetted, 1 subnets
> > i L1 162.1.1.0 [115/20] via 153.1.53.68, Serial1 <<<<<<<<<<<<<
> > 10.0.0.0/24 is subnetted, 1 subnets
> >
> > Here is the config on R3 [ the gist]
> >
> > router ospf 1
> > log-adjacency-changes
> > redistribute isis level-2 subnets
> > network 153.1.43.0 0.0.0.127 area 0
> > network 153.1.53.67 0.0.0.0 area 0
> > network 153.1.53.64 0.0.0.31 area 0
> > network 153.1.200.3 0.0.0.0 area 0
> > network 153.1.200.0 0.0.0.255 area 0
> > !
> > router isis
> > net 0b.3333.3333.3333.00
> > redistribute ospf 1 metric 20 metric-type external
> > domain-password cisco2
> > area-password cisco1
> >
> >
> > Then the output on R1 and R4
> >
> > r1#sh ip ro [HAS ALL THE ROUTES but the one from R5]
> > Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
> > D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> > N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> > E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
> > i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
> > inter area
> > * - candidate default, U - per-user static route, o - ODR
> > P - periodic downloaded static route
> >
> > Gateway of last resort is not set
> >
> > 153.1.0.0/16 is variably subnetted, 7 subnets, 4 masks
> > C 153.1.200.0/24 is directly connected, Serial0
> > O 153.1.200.3/32 [110/64] via 153.1.200.3, 00:29:29, Serial0
> > O 153.1.200.4/32 [110/64] via 153.1.200.4, 00:29:29, Serial0
> > O 153.1.43.0/25 [110/74] via 153.1.200.4, 00:29:29, Serial0
> > [110/74] via 153.1.200.3, 00:29:29, Serial0
> > O 153.1.53.64/27 [110/128] via 153.1.200.3, 00:29:29, Serial0
> > O 153.1.104.1/32 [110/65] via 153.1.200.4, 00:29:29, Serial0
> > C 153.1.101.0/24 is directly connected, Loopback0
> > 1.0.0.0/24 is subnetted, 4 subnets
> > C 1.4.4.0 is directly connected, Loopback4
> > C 1.3.3.0 is directly connected, Loopback3
> > C 1.2.2.0 is directly connected, Loopback2
> > C 1.1.1.0 is directly connected, Loopback1
> > 186.1.0.0/24 is subnetted, 1 subnets
> > C 186.1.1.0 is directly connected, Ethernet0
> > 10.0.0.0/24 is subnetted, 1 subnets
> > O E2 10.1.1.0 [110/20] via 153.1.200.3, 00:08:08, Serial0
> > 11.0.0.0/24 is subnetted, 1 subnets
> > O E2 11.1.1.0 [110/20] via 153.1.200.3, 00:08:08, Serial0
> >
> >
> > Here is the config for R5:
> >
> > r5#sh run
> > Building configuration...
> >
> > Current configuration : 971 bytes
> > !
> > version 12.2
> > service timestamps debug uptime
> > service timestamps log uptime
> > no service password-encryption
> > service compress-config
> > service udp-small-servers
> > service tcp-small-servers
> > !
> > hostname r5
> > !
> > !
> > ip subnet-zero
> > no ip domain-lookup
> > !
> > clns routing
> > !
> > !
> > !
> > interface Loopback0
> > ip address 153.1.105.1 255.255.255.0
> > !
> > interface Ethernet0
> > ip address 162.1.1.1 255.255.255.0
> > ip router isis
> > no ip route-cache
> > no ip mroute-cache
> > no keepalive
> > !
> > interface Serial0
> > no ip address
> > no ip route-cache
> > no ip mroute-cache
> > shutdown
> > !
> > interface Serial1
> > ip address 153.1.53.68 255.255.255.224
> > ip router isis
> > no ip route-cache
> > no ip mroute-cache
> > clockrate 500000
> > isis password cisco
> > isis hello-multiplier 4
> > isis hello-interval 20
> > !
> > router isis
> > net 0b.5555.5555.5555.00
> > is-type level-1
> > area-password cisco1
> > !
> > ip classless
> > no ip http server
> > !
> > !
> > alias exec shi sh ip int brief
> > !
> > line con 0
> > exec-timeout 60 0
> > line aux 0
> > transport input all
> > line vty 0 4
> > login
> > !
> >
> > CONFIG FOR R3 (all)
> > r3#sh run
> > Building configuration...
> >
> > Current configuration : 1419 bytes
> > !
> > version 12.2
> > service timestamps debug uptime
> > service timestamps log uptime
> > no service password-encryption
> > service udp-small-servers
> > service tcp-small-servers
> > !
> > hostname r3
> > !
> > !
> > ip subnet-zero
> > no ip domain-lookup
> > !
> > clns routing
> > !
> > !
> > !
> > interface Loopback0
> > ip address 153.1.103.1 255.255.255.0
> > !
> > interface Ethernet0
> > ip address 153.1.43.33 255.255.255.128
> > no ip route-cache
> > no ip mroute-cache
> > no keepalive
> > !
> > interface Serial0
> > ip address 153.1.200.3 255.255.255.0
> > ip router isis
> > encapsulation frame-relay
> > no ip route-cache
> > ip ospf network point-to-multipoint
> > no ip mroute-cache
> > frame-relay map clns 302 broadcast
> > frame-relay lmi-type cisco
> > !
> > interface Serial1
> > ip address 153.1.53.67 255.255.255.224
> > ip router isis
> > no ip route-cache
> > no ip mroute-cache
> > isis password cisco
> > isis hello-multiplier 4
> > isis hello-interval 20
> > !
> > router ospf 1
> > log-adjacency-changes
> > redistribute isis level-2 subnets
> > network 153.1.43.0 0.0.0.127 area 0
> > network 153.1.53.67 0.0.0.0 area 0
> > network 153.1.53.64 0.0.0.31 area 0
> > network 153.1.200.3 0.0.0.0 area 0
> > network 153.1.200.0 0.0.0.255 area 0
> > !
> > router isis
> > net 0b.3333.3333.3333.00
> > redistribute ospf 1 metric 20 metric-type external
> > domain-password cisco2
> > area-password cisco1
> > !
> > ip classless
> > no ip http server
> > !
> > !
> > alias exec shi sh ip int brief
> > !
> > line con 0
> > exec-timeout 60 0
> > line aux 0
> > transport input all
> > line vty 0 4
> > password 7 045802150C2E
> > no login
> > !
> > end
> > .
> > .
> .
.



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