Re: Distribute Loopback1 with 255.255.255.255 mask in BGP

From: Ming Ki Au (aurmkstr@gmail.com)
Date: Mon Jan 08 2007 - 14:00:09 ART


Hi,

My configuration is as follows.

int loopback200
ip address 200.101.3.1 255.255.255.255

router bgp 13
bgp router-id 13.13.1.1
no synchronization
no auto-summary
network 200.101.3.1 mask 255.255.255.255

I think there is no problem with the above configuration right? But it
cannot distribute the loopback200. But wonderful is when I change the mask
both in the interface and inside the router bgp, it works!!

Anybody can help?

On 1/7/07, Xiangling <xianglingzj@gmail.com> wrote:
>
> Please attach your configuration and output of "show ip route" command
> here.
>
>
>
> On 1/7/07, Ming Ki Au <aurmkstr@gmail.com> wrote:
> >
> > Dear,
> >
> > Yes, my mask is exactly the same but still cannot advertise. Any idea?
> >
> >
> > On 1/7/07, Xiangling <xianglingzj@gmail.com > wrote:
> > >
> > > Your net...mask... statement must match your routing table. Neither
> > > subnet nor supernet is considered "match". Thus your mask used must be the
> > > same as the one you put on the interface.
> > >
> > > On 1/7/07, Ming Ki Au < aurmkstr@gmail.com > wrote:
> > >
> > > > Dear all,
> > > >
> > > > I have tried the following, both of them are not work. But when I
> > > > change the
> > > > loopback interface to
> > > > lo0 Ip address
> > > >
> > > > Ip addr 1.1.1.1 255.255.255.0 it can be distributed immediately.
> > > > Can
> > > > anybody tell me why?
> > > >
> > > > On 1/7/07, Narbik Kocharians < narbikk@gmail.com> wrote:
> > > > >
> > > > > There are may be many ways to accomplish that task (advertising a
> > > > host
> > > > > route
> > > > > in BGP) here is two:
> > > > >
> > > > >
> > > > >
> > > > > 1- To advertise the loopback interface as follows:
> > > > >
> > > > >
> > > > >
> > > > > Int lo0
> > > > >
> > > > > Ip addr 1.1.1.1 255.255.255.255
> > > > >
> > > > >
> > > > >
> > > > > Router bgp 100
> > > > >
> > > > > Network 1.1.1.1 mask 255.255.255.255
> > > > >
> > > > >
> > > > >
> > > > > 1. To redistribute:
> > > > >
> > > > >
> > > > >
> > > > > Int lo1
> > > > >
> > > > > Ip address 10.1.1.1 255.255.255.255
> > > > >
> > > > >
> > > > >
> > > > > Access-list 1 permit host 10.1.1.1
> > > > >
> > > > >
> > > > >
> > > > > Route-map TST per 10
> > > > >
> > > > > Match ip addr 1
> > > > >
> > > > >
> > > > >
> > > > > Router bgp 100
> > > > >
> > > > > Redistribute connected route-map TST
> > > > >
> > > > >
> > > > > On 1/6/07, Ricky MK Au < aurmk@hk1.ibm.com> wrote:
> > > > > >
> > > > > > Dear all,
> > > > > >
> > > > > > I would like to redistribute the Loopback1 address ( 200.101.3.1mask
> > > > > > 255.255.255.255) into BGP but fail. Is there a special method to
> > > > > > redistribute the loopback with host address into BGP? FYI, I can
> > > >
> > > > > > redistribute another loopback with mask 255.255.255.0.
> > > > > >
> > > > > >
> > > > _______________________________________________________________________
> > > > > > Subscription information may be found at:
> > > > > > http://www.groupstudy.com/list/CCIELab.html
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Narbik Kocharians
> > > > > CCIE# 12410 (R&S, SP, Security)
> > > > > CCSI# 30832
> > > > > Network Learning, Inc. (CCIE class Instructor)
> > > > > www.ccbootcamp.com (CCIE Training)
> > > > >
> > > > >
> > > > _______________________________________________________________________
> > > > > Subscription information may be found at:
> > > > > http://www.groupstudy.com/list/CCIELab.html
> > > >
> > > > _______________________________________________________________________
> > > >
> > > > Subscription information may be found at:
> > > > http://www.groupstudy.com/list/CCIELab.html
> > > >
> > >
> > >
> > >
> > > --
> > > Thanks & Regards,
> > > Xiangling
> > > |-------------------------|
> > > | |
> > > \ I Love You All /
> > > \ /
> > > \___________/
> >
> >
> >
>
>
> --
> Thanks & Regards,
> Xiangling
> |-------------------------|
> | |
> \ I Love You All /
> \ /
> \___________/



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