From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Thu Jan 05 2006 - 17:58:52 GMT-3
Technically it says full reachability "unless otherwise specified". In
this case it's telling you to do the filtering so it's okay not to have
reachability.
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Victor Cappuccio
> Sent: Thursday, January 05, 2006 1:47 PM
> To: 'FORUM'
> Subject: IE Lab 2 Tasks 4.10 Vol 3
>
> Hello Group,
>
>
>
> In this scenario (4.10. RIP Filtering)) we have 3 routers connected a
to a
> Brodcast network (ethernet) and sw1 is configured in the following way
>
>
>
> router rip
>
> offset-list EVEN_SECOND_OCTET in 16 Vlan783
>
> !
>
> ip access-list standard EVEN_SECOND_OCTET
>
> permit 0.0.0.0 255.254.255.255
>
>
>
> Now my question is what happens if I'm using even Rack Number, that
is,
> Vlan
> 8 of switch2 will not have global reachability, and will not
accomplish
> the
> task "Configure SW1 so that it does not accept routes with an even
second
> octet from BB3."
>
>
>
>
>
> Any Thoughts
>
>
>
> Thanks
>
>
>
> R4#
>
>
>
> interface Ethernet0
>
> ip address 132.1.26.4 255.255.255.0
>
> !
>
> router rip
>
> version 2
>
> passive-interface default
>
> no passive-interface Ethernet0
>
> offset-list EVEN_SECOND_OCTET in 16 Ethernet0
>
> network 132.1.0.0
>
> no auto-summary
>
> !
>
> ip access-list standard EVEN_SECOND_OCTET
>
> permit 0.0.0.0 255.254.255.255
>
> !
>
>
>
> After applying offset-list EVEN_SECOND_OCTET in 16 Ethernet0 in the
rip
> process
>
>
>
>
>
> R4#SHOW IP ROUTE
>
> 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 0.0.0.0 to network 0.0.0.0
>
>
>
> 17.0.0.0/32 is subnetted, 1 subnets
>
> R 17.6.17.17 [120/1] via 132.1.26.10, 00:00:01, Ethernet0
>
> 16.0.0.0/32 is subnetted, 1 subnets
>
> R 16.5.17.17 [120/1] via 132.1.26.10, 00:00:01, Ethernet0
>
> 19.0.0.0/32 is subnetted, 1 subnets
>
> R 19.8.19.19 [120/1] via 132.1.26.10, 00:00:02, Ethernet0
>
> 18.0.0.0/32 is subnetted, 1 subnets
>
> R 18.7.18.18 [120/1] via 132.1.26.10, 00:00:02, Ethernet0
>
> 6.0.0.0/32 is subnetted, 1 subnets
>
> R 6.5.7.7 [120/1] via 132.1.26.2, 00:00:08, Ethernet0
>
> 7.0.0.0/32 is subnetted, 1 subnets
>
> R 7.6.7.7 [120/1] via 132.1.26.2, 00:00:08, Ethernet0
>
> 8.0.0.0/32 is subnetted, 1 subnets
>
> R 8.7.8.8 [120/1] via 132.1.26.2, 00:00:08, Ethernet0
>
> 9.0.0.0/32 is subnetted, 1 subnets
>
> R 9.8.9.9 [120/1] via 132.1.26.2, 00:00:08, Ethernet0
>
> 132.1.0.0/16 is variably subnetted, 4 subnets, 2 masks
>
> C 132.1.0.0/24 is directly connected, Serial0
>
> O 132.1.0.3/32 [110/64] via 132.1.0.3, 00:00:08, Serial0
>
> C 132.1.26.0/24 is directly connected, Ethernet0
>
> C 132.1.34.0/24 is directly connected, Serial1
>
>
>
>
>
> Before applying offset-list EVEN_SECOND_OCTET in 16 Ethernet0 in the
rip
> process
>
>
>
> R4#show ip route
>
> 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 0.0.0.0 to network 0.0.0.0
>
>
>
> 16.0.0.0/32 is subnetted, 1 subnets
>
> R 16.5.17.17 [120/1] via 132.1.26.10, 00:00:06, Ethernet0
>
> R 18.7.18.18 [120/1] via 132.1.26.10, 00:00:06, Ethernet0
>
> 6.0.0.0/32 is subnetted, 1 subnets
>
> R 6.5.7.7 [120/1] via 132.1.26.2, 00:00:01, Ethernet0
>
> 8.0.0.0/32 is subnetted, 1 subnets
>
> R 8.7.8.8 [120/1] via 132.1.26.2, 00:00:01, Ethernet0
>
> C 132.1.0.0/24 is directly connected, Serial0
>
> O 132.1.0.3/32 [110/64] via 132.1.0.3, 00:09:01, Serial0
>
> C 132.1.26.0/24 is directly connected, Ethernet0
>
> C 132.1.34.0/24 is directly connected, Serial1
>
>
>
> R2#
>
>
>
> interface Loopback0
>
> ip address 9.8.9.9 255.255.255.255
>
> !
>
> interface Loopback1
>
> ip address 8.7.8.8 255.255.255.255
>
> !
>
> interface Loopback2
>
> ip address 7.6.7.7 255.255.255.255
>
> !
>
> interface Loopback3
>
> ip address 6.5.7.7 255.255.255.255
>
> !
>
> interface Ethernet0
>
> ip address 132.1.26.2 255.255.255.0
>
>
>
> router rip
>
> version 2
>
> redistribute connected route-map OnlyLbps
>
> passive-interface default
>
> no passive-interface Ethernet0
>
> network 132.1.0.0
>
> no auto-summary
>
>
>
> !
>
> route-map OnlyLbps permit 10
>
> match interface Loopback0 Loopback1 Loopback2 Loopback3
>
> !
>
>
>
>
>
> Switch1#
>
> ip routing
>
> !
>
> interface Loopback0
>
> ip address 19.8.19.19 255.255.255.255
>
> !
>
> interface Loopback1
>
> ip address 18.7.18.18 255.255.255.255
>
> !
>
> interface Loopback2
>
> ip address 17.6.17.17 255.255.255.255
>
> !
>
> interface Loopback3
>
> ip address 16.5.17.17 255.255.255.255
>
> !
>
> interface FastEthernet0/2
>
> switchport access vlan 2
>
> switchport mode access
>
> !
>
> interface FastEthernet0/4
>
> switchport access vlan 2
>
> switchport mode access
>
> !
>
> interface Vlan2
>
> ip address 132.1.26.10 255.255.255.0
>
> !
>
> router rip
>
> version 2
>
> redistribute connected route-map OnlyLbps
>
> network 132.1.0.0
>
> no auto-summary
>
> !
>
> route-map OnlyLbps permit 10
>
> match interface Loopback0 Loopback1 Loopback2 Loopback3
>
>
This archive was generated by hypermail 2.1.4 : Wed Feb 01 2006 - 07:45:47 GMT-3