From: Katson PN Yeung (kyeung@xxxxxxxxx)
Date: Thu Apr 25 2002 - 05:23:12 GMT-3
Yeah, this seems to be the easilest way.
Got to be careful about this when you are asked to tune the igrp metric
while there are redistribute connected. Anyway, it is a good exercise!
At 02:18 PM 4/25/2002, Chua, Parry wrote:
>I test it with 12.1(5), same result as yours. You can also create a new
>routing process such as
>(rip, igrp x), advertise the loopack in the new process, redistribute this
>new process to the igrp
>and every thing seen right...
>
> > Parry Chua
> >
> >
>
>
>-----Original Message-----
>From: Katson PN Yeung [mailto:kyeung@hkcix.com]
>Sent: Thursday, April 25, 2002 2:18 PM
>To: Chua, Parry; ccielab@groupstudy.com
>Subject: RE: Router announce wrong metric afer redist connected at igrp
>(was: IGRP announced metric question. )
>
>
>Thanks Parry,
>
>I found that when it is redistribute connected (guarded with route-map),
>igrp will:
>
>1. Uses the interface BW and DLY to calculate metric for the matched
>interface.
>2. For the unmatched interface (but already included in network), igrp uses
>the dimensions at the redist command to calculate metric.
>
>This is not happening in EIGRP at the same IOS.
>
>I think I will upgrade the IOS and have a try. Everybody has 2 routers can
>try this too.
>
>
>At 12:26 PM 4/25/2002, Chua, Parry wrote:
> >Try create a static route and do redistribute the static , it will work
> >correctly. It sould like when redistribute connected, it take the metric
> >as the base.
> >
> > > Parry Chua
> > >
> > >
> >
> >
> >-----Original Message-----
> >From: Katson PN Yeung [mailto:kyeung@hkcix.com]
> >Sent: Thursday, April 25, 2002 11:12 AM
> >To: ccielab@groupstudy.com
> >Subject: Router announce wrong metric afer redist connected at igrp
> >(was: IGRP announced metric question. )
> >
> >
> >Dear Group,
> >
> >It seems that my previous "igrp metric" does not draw your attention. So I
> >did more tests to find out... I am using 12.1.12a
> >
> >
> >
> >|-----|s0 s1|-----|
> >| R5 |-----| R8 |---E0
> >| | | |
> >|-----| |-----|
> > | |
> > | ( )
> > Lo0 tok0
> >
> >
> >both R5 and R8 are igrp only router. Both running 12.1.12a
> >
> >Interface BW Delay (usec) IP
> >--------- ------ ------------ -------------------
> >R5 s0 1544K 20000 172.168.200.5/24
> >R8 s1 64K 20000 172.168.200.8/24
> >R8 Lo0 8000000K 5000 160.10.10.1/24
> >R8 Tok 0 16000K 630 172.168.80.1/24
> >R8 E0 1000K 1000 172.168.48.1/24
> >
> >
> >
> >
> >Test 1.
> >---------------------------------------------------------
> >- R8 With this config:
> >router igrp 3
> > redistribute connected metric 2000 100 255 1 1500 route-map
> > connected-2-igrp
> > network 172.168.0.0
> >!
> >access-list 2 permit 160.10.10.0 0.0.0.255
> >access-list 3 deny any
> >!
> >route-map connected-2-igrp permit 10
> > match ip address 2
> >!
> >route-map connected-2-igrp permit 20
> > match ip address 3
> >
> >
> >Result: (debug igrp at R5)
> >2d22h: IGRP: received update from 172.168.200.8 on Serial1.2
> >2d22h: subnet 172.168.48.0, metric 8576 (neighbor 5100)
> >2d22h: subnet 172.168.80.0, metric 8576 (neighbor 5100)
> >2d22h: network 165.10.0.0, metric 8976 (neighbor 501)
> >2d22h: IGRP: Update contains 2 interior, 3 system, and 0 exterior routes.
> >2d22h: IGRP: Total routes in update: 5
> >
> >
> >R8 announce 5100 for tok0 and E0, 501 for lo0
> >
> >
> >
> >Test 2.
> >---------------------------------------------------------
> >R8 with this config
> >
> >router igrp 3
> > network 172.168.0.0
> >
> >
> >Result: (debug igrp at R5)
> >2d23h: IGRP: received update from 172.168.200.8 on Serial1.2
> >2d23h: subnet 172.168.48.0, metric 12100 (neighbor 10100)
> >2d23h: subnet 172.168.80.0, metric 8539 (neighbor 688)
> >
> >
> >
> >
> >
> >Questions:
> >---------------------------------------------------------
> >1. In test 1 the intention is to redistribute Lo0 to igrp and set it's
> >metric according to my redistribute metric (2000 100 255 1 1500) = 5100.
> >However it uses it own interface metric 501.
> >
> >2. In test 1, the route-map is to confine the redistribution to Lo0, while
> >leaving other interface (tok0, E0) untouched. However, E0 and Tok0 metrics
> >are changed to the 5100 (2000 100 255 1 1500, specified at the redis
> >connected line.)
> >
> >3. In test 2, I just erase the "redis connected" and do a "clear ip route
> >*". R8 announce metric back to normal!!! (10100 for E0 amd 688 for Tok0)
> >
> >
> >Can some people tell me why??
> >
> >I suppose, in igrp, redistribute connected actually first include *ALL*
> >connected interfaces and set it's metrics according to the redis command
> >line. Then it processes the route-map part, and mport the right connected
> >interface to the route table....
> >
> >But why the redistributed route metric does not affected the connected
> >route?? Really clueless.
> >
> >Maybe I will try to do it again with EIGRP.
> >
> >Rgds,
> >K a t s o n
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:58:19 GMT-3