From: ying chang (ying_c@xxxxxxxxxxx)
Date: Tue Mar 05 2002 - 00:50:56 GMT-3
Hi guys,
Thanks for the sharing. I can see I could use the distance command to avoid
routing loops in redistribution or blocking routes like examples in Doyle I.
Can you think of anything else we might use it?
Thanks,
Chang
>From: "Jaeheon Yoo" <kghost@chollian.net>
>Reply-To: "Jaeheon Yoo" <kghost@chollian.net>
>To: "ccielab" <ccielab@groupstudy.com>, "Ahmed Mamoor Amimi"
><mamoor@ieee.org>
>Subject: Re: All about "distance" command - compact summary.
>Date: Tue, 5 Mar 2002 11:00:11 +0900
>
>Hi, Ahmed
>
>Thanks for the interest.
>Actually following two commands are mutually exclusive.
>
>Under OSPF:
> distance 110
> distance ospf external 110 inter-area 110 intra-area 110
>
>In the begging, I thought like you, but in a test it worked as planned.(I
>tested it on IOS 12.1(5)T10, 12.0(4)T)
>I think this command designer thought it would be ok to assign the same AD
>to all ospf routes by a simpler command, whatever route type they have.
>I like this behavior because all three route types start with the same
>default AD!!
>But with the second command, you can make it more granular by route type.
>
>Please look at this:
>
>Rack02R6#sh 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, * - candidate
>default
> U - per-user static route, o - ODR
>
>Gateway of last resort is not set
>
> 152.34.0.0/24 is subnetted, 7 subnets
>C 152.34.46.0 is directly connected, Serial1
>O E2 152.34.26.0 [110/20] via 152.34.46.4, 00:02:57, Serial1
>O IA 152.34.24.0 [110/128] via 152.34.46.4, 00:15:50, Serial1
>O IA 152.34.20.0 [110/129] via 152.34.46.4, 00:01:21, Serial1
>O IA 152.34.2.0 [110/129] via 152.34.46.4, 00:15:50, Serial1
>C 152.34.6.0 is directly connected, Loopback0
>O 152.34.4.0 [110/65] via 152.34.46.4, 00:15:50, Serial1
>Rack02R6#conf t
>Enter configuration commands, one per line. End with CNTL/Z.
>Rack02R6(config)#router ospf 1
>Rack02R6(config-router)#distance 70
>Rack02R6(config-router)#^Z
>Rack02R6#sh ip
>00:54:04: %SYS-5-CONFIG_I: Configured from console by console
>Rack02R6#sh 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, * - candidate
>default
> U - per-user static route, o - ODR
>
>Gateway of last resort is not set
>
> 152.34.0.0/24 is subnetted, 7 subnets
>C 152.34.46.0 is directly connected, Serial1
>O E2 152.34.26.0 [70/20] via 152.34.46.4, 00:00:04, Serial1
>O IA 152.34.24.0 [70/128] via 152.34.46.4, 00:00:04, Serial1
>O IA 152.34.20.0 [70/129] via 152.34.46.4, 00:00:04, Serial1
>O IA 152.34.2.0 [70/129] via 152.34.46.4, 00:00:04, Serial1
>C 152.34.6.0 is directly connected, Loopback0
>O 152.34.4.0 [70/65] via 152.34.46.4, 00:00:04, Serial1
>Rack02R6#
>
>Regards,
>Jaeheon
>
>
>----- Original Message -----
>From: "Ahmed Mamoor Amimi" <mamoor@ieee.org>
>To: "Jaeheon Yoo" <kghost@chollian.net>; "ccielab" <ccielab@groupstudy.com>
>Sent: Tuesday, March 05, 2002 6:22 AM
>Subject: Re: All about "distance" command - compact summary.
>
>
> > I disagree with u on OSPF
> > distance 110 (OSPF)
> >
> > This command dont work under OSPF
> > u have to use this command for changing distance :
> > distance ospf external 110 inter-area 110 intra-area 110 (OSPF)
> >
> >
> > -Mamoor
> >
> >
> > ----- Original Message -----
> > From: Jaeheon Yoo <kghost@chollian.net>
> > To: ccielab <ccielab@groupstudy.com>
> > Sent: Monday, March 04, 2002 10:32 PM
> > Subject: All about "distance" command - compact summary.
> >
> >
> > > Hi, all.
> > > I've summarized all about "distance" command that I can find out
>through
> > my own lab.
> > > I think this summary may be helpful to some of you.
> > > Any comments will be welcomed, And please correct me if I'm wrong.
> > >
> > > Jaeheon,
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