From: elping (elpingu@acedsl.com)
Date: Wed Sep 11 2002 - 00:52:31 GMT-3
rip will advertise the default route automatically if you point it to an
interface
ip route x.x.x.x null0
Song Mu wrote:
> This might be posted before:
>
> Can someone can summarize how many ways to summarize routes? such as:
> 1. OSPF use area rnage;
> 2. OSPF use summary address;
> 3.
> 4.
> ....
>
> How many ways to generate default routes:, such as
> 1. OSPF use default-information originate
> 2. static ip route 0.0.0.0 0.0.0.0 interface name/next hop IP address
> 3. EIGRP redistribute static or other routing protocols
> 4. IP default-network
> ....
>
> Thanks,
>
> Song
>
> --- "Howard C. Berkowitz" <hcb@gettcomm.com> wrote:
> > At 3:20 PM -0400 9/11/02, Jay Greenberg wrote:
> > >I just did this in a lab, and on a router running IOS 12.0(21a), it
> > did
> > >not require the *match* keyword to perform redistribution from ospf
> > to
> > >BGP.
> >
> > Do remember that the IETF has officially designated RFC 1403 as
> > "historic," or, in other words, obsolete. If Cisco tests on it, it's
> > similar to testing on synchronization -- something no ISP actually
> > uses.
> >
> > >
> > >It seems really odd to me that they would have said that, however I
> > have
> > >a theory. The referenced RFC 1403 states that:
> > >
> > > The default MUST be to export no routes from OSPF into
> > > BGP. A single configuration parameter MUST permit
> > all
> > > OSPF inter-area and intra-area routes to be
> > exported
> > > into BGP.
> > >
> > >Theoretically, that could be misunderstood. Maybe the initial
> > >programmers thought that "the default must be" meant even when
> > >"redistribute ospf 1" is supplied.
> > >
> > >Can anyone try this on an old IOS version? Can anyone clear this
> > up?
> > >
> > >On Wed, 2002-09-11 at 14:01, Peng Zheng wrote:
> > >> Hi,
> > >>
> > >> >From
> > >> http://www.cisco.com/warp/public/104/bgp-ospf-redis.html
> > >>
> > >> It said when you redistribute OSPF to BGP, you must
> > >> use match. But in CIM BGP, match is not used.
> > >>
> > >> I'm wondering if I should use it.
> __________________________________________________
> Do you Yahoo!?
> Yahoo! News - Today's headlines
> http://news.yahoo.com
This archive was generated by hypermail 2.1.4 : Mon Oct 07 2002 - 07:43:49 GMT-3