From: CCIE yong (ccie_yong@xxxxxxxxxxx)
Date: Mon Aug 20 2001 - 08:53:19 GMT-3
Hi, Daniel
Since the ISDN network already participated in the eigrp process, all the
network will be reached thru the dynamic update (when main interface down &
BRI up), therefore I can't see why we need to redistribute static.
Am I missing something ?
Thanks
Yonger
>From: "Daniel C. Young" <danyoung99@mediaone.net>
>Reply-To: "Daniel C. Young" <danyoung99@mediaone.net>
>To: "'CCIE yong'" <ccie_yong@hotmail.com>, <ccielab@groupstudy.com>
>Subject: RE: CCBootcamp Lab 13
>Date: Sun, 19 Aug 2001 09:08:33 -0700
>
>Hey Yonger,
>
>>
>The redistribute static command here is being used for the floating-static
>route. This is so that other routers can bring up the ISDN line immediately
>when the primary link fails. Remember that redistribution occurs from the
>forwarding table. Do a 'show ip route' and if you have a route with an 'S'
>flag, you will have to redistribute static in order to propagate the route.
>
>Regards,
>Daniel
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>CCIE yong
>Sent: Sunday, 19 August 2001 4:34 AM
>To: ccielab@groupstudy.com
>Subject: CCBootcamp Lab 13
>
>
>Hi,
>
>I'm doing the bootcamp lab 13 Section 2 Task 3 (last task) and found
>something that puzzle me.
>
>Why the host route of BRI interface appeared in the routing table of all
>the
>routers in the diagram after the ATM0/1/0 shut down and ISDN being kick in.
>
>what is the reason of the host route appear ?
>
>Is it normal ?
>
>This recall me when I did the ISDN demand circuit for OSPF routing in other
>practise lab, the host route for the BRI interface is also appeared in the
>routing table, why ?
>
>One more question on this lab is that :
>Is "redistribute static" in R5 & R6 needed in this case (as provided by the
>solution)?? since the network 172.16.56.0 (for BRI Inter) already
>participate in the EIGRP process on R5 & R6, the rest of the routers will
>have full connectivity to all the network after BRI came up, therefore I
>don't understand why we need to redistribute static at R5 & R6. ?
>
>I'm posting the config for R6 & R5 and at the same time the route table for
>R8 for bootcamp lab 13.
>
>APPRECIATE your input.
>
>Thanks in Advance.
>YONGER
>
>r5#
>r5#sh ru
>hostname r5
>!
>username user6 password 0 cisco
>no ip domain-lookup
>isdn switch-type basic-net3
>dlsw local-peer peer-id 172.16.3.2
>dlsw remote-peer 0 tcp 172.30.10.1
>dlsw bridge-group 1
>!
>interface Ethernet0
>ip address 172.16.3.2 255.255.255.0
>bridge-group 1
>!
>interface BRI0
>ip address 172.16.56.2 255.255.255.0
>encapsulation ppp
>dialer map ip 172.16.56.1 name user6 broadcast 3173
>dialer-group 1
>ppp authentication chap
>ppp chap hostname user5
>!
>router eigrp 1
>network 172.16.0.0
>no auto-summary
>!
>no ip classless
>ip route 172.30.0.0 255.255.0.0 172.16.56.1 200
>access-list 100 deny eigrp any any
>access-list 100 permit ip any any
>!
>dialer-list 1 protocol ip list 100
>bridge 1 protocol ieee
>!
>end
>
>r6#sh run
>hostname r6
>!
>!
>username user5 password 0 cisco
>memory-size iomem 15
>ip subnet-zero
>no ip domain-lookup
>isdn switch-type basic-net3
>!
>interface Ethernet0/0
>ip address 172.30.20.1 255.255.255.0
>no ip directed-broadcast
>!
>interface BRI0/0
>ip address 172.16.56.1 255.255.255.0
>no ip directed-broadcast
>encapsulation ppp
>dialer map ip 172.16.56.2 name user5 broadcast 3172
>dialer-group 1
>isdn switch-type basic-net3
>ppp authentication chap
>ppp chap hostname user6
>!
>router eigrp 1
>redistribute static
>network 172.16.0.0
>network 172.30.0.0
>no auto-summary
>!
>ip classless
>ip route 172.16.0.0 255.255.0.0 172.16.56.2 200
>!
>access-list 100 deny eigrp any any
>access-list 100 permit ip any any
>dialer-list 1 protocol ip list 100
>!
>allocate
>end
>
>r8#sh ip ro
>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, * - candidate
>default
> U - per-user static route, o - ODR
>
>Gateway of last resort is not set
>
> 172.16.0.0/16 is variably subnetted, 8 subnets, 3 masks
>D 172.16.56.0/24 [90/40537600] via 172.30.20.1, 00:11:19, Ethernet0/0
>D 172.16.56.2/32 [90/40537600] via 172.30.20.1, 00:10:23, Ethernet0/0
>D 172.16.50.0/24 [90/2214144] via 172.30.10.2, 00:11:19, TokenRing0/0
>D 172.16.10.0/24 [90/2211584] via 172.30.10.2, 00:11:19, TokenRing0/0
>D 172.16.11.0/24 [90/2214144] via 172.30.10.2, 00:11:19, TokenRing0/0
>D EX 172.16.0.0/16 [170/40537600] via 172.30.20.1, 00:05:25, Ethernet0/0
>D 172.16.2.0/24 [90/2214144] via 172.30.10.2, 00:11:19, TokenRing0/0
>D 172.16.3.0/24 [90/40563200] via 172.30.20.1, 00:10:20, Ethernet0/0
> 172.30.0.0/16 is variably subnetted, 4 subnets, 2 masks
>C 172.30.20.0/24 is directly connected, Ethernet0/0
>D EX 172.30.0.0/16 [170/41049600] via 172.30.20.1, 00:05:32, Ethernet0/0
>D 172.30.1.0/24 [90/2185984] via 172.30.10.2, 00:11:20, TokenRing0/0
>C 172.30.10.0/24 is directly connected, TokenRing0/0
>r8#
>
>
>
>
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