well, I was going to do a quick and dirty lab for you, but entering the
neighbor command has been wreaking havoc on one of my routers.
in general, what I seem to have proven is that even with the neighbor
statement configured under the RIP process, RIP announcements will not go
out an interface that has not been included in the RIP process.
router 3 info
-----------------
Default version control: send version 2, receive version 2
Automatic network summarization is not in effect
Routing for Networks:
50.0.0.0
snip some
Routing Information Sources:
Gateway Distance Last Update
160.160.125.4 120 01:27:12
Distance: (default is 120)
router rip
version 2
redistribute ospf 123 metric 3
passive-interface default
no passive-interface TokenRing0
network 50.0.0.0
neighbor 160.160.125.4
no auto-summary
note that router 3 is NOT sending advertisements out the token ring
interface, even though it is instructed that a neighbor is there.
Router_3#ir
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
50.0.0.0/24 is subnetted, 1 subnets
C 50.50.1.0 is directly connected, Loopback50
99.0.0.0/32 is subnetted, 1 subnets
C 99.99.99.1 is directly connected, Loopback1000
160.160.0.0/16 is variably subnetted, 16 subnets, 6 masks
C 160.160.30.0/24 is directly connected, Loopback100
C 160.160.31.0/24 is directly connected, Loopback101
C 160.160.32.0/24 is directly connected, Loopback102
C 160.160.33.0/24 is directly connected, Loopback103
C 160.160.39.0/26 is directly connected, Loopback204
C 160.160.64.0/24 is directly connected, Loopback500
C 160.160.65.0/24 is directly connected, Loopback501
C 160.160.66.0/24 is directly connected, Loopback502
C 160.160.67.0/24 is directly connected, Loopback503
C 160.160.68.0/24 is directly connected, Loopback504
C 160.160.125.0/24 is directly connected, TokenRing0
C 160.160.39.160/27 is directly connected, Loopback203
C 160.160.39.240/29 is directly connected, Loopback201
C 160.160.39.252/30 is directly connected, Loopback200
C 160.160.39.208/28 is directly connected, Loopback202
C 160.160.254.0/29 is directly connected, Serial0
Router_3#
not that router 3 has no rip routes, and apparently is not accepting rip
routes across this interface because it is not in the proces.s
note that router 4 is sending rip updates across the token ring interface
00:17:13: RIP: sending v2 flash update to 224.0.0.9 via TokenRing0
(160.160.125.
4)
00:17:13: RIP: build flash update entries
00:17:13: 100.0.0.0/8 via 0.0.0.0, metric 1, tag 0
conclusion - even with the neighbor statement in place, RIP will not send
updates out the interface if that interface address is not part of the rip
process.
any takers?
Chuck
--
www.chuckslongroad.info
""pauldongso"" wrote in message
news:200210311321.NAA14582@;groupstudy.com...
> Hi All,
>
> Am doing the written study.
> In Jeff routing tcp/ip book, under RIP configruation exercise session,
> there is a question:
>
> - RTC ---------------------------------RTD -
> (192.168.2.1/24) (192.168.3.1/24) (192.168.3.2/24) (192.168.4.1/24)
>
> The question is to only use unicast between RTC and RTD
> The answer is:
>
> RTC:
> network 192.168.2.0
> neighour 192.168.3.2
>
> RTD:
> network 192.168.4.0
> neighour 192.168.3.1
>
> My question is isn't network statement "network 192.168.3.0" required on
> both routers to enable rip? I haven't had a lab to test this yet.
>
> Can someone please give me a correct answer?
>
> Thanks
>
> Paul
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=56616&t=56588
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