All things related to multicast

[Alan Crosswell <>]

> Alan,
> 
> On Wed, 19 Sep 2001, Alan Crosswell wrote:
> 
> > > We're looking to upgrade one of our 7500's from 12.0S to 12.1T or 12.2T
> > > in order to get some specific features.    This is one of our campus 
> > > border
> > > routers.  I know there were some early versions in 12.1T train with 
> > > serious
> > > multicast related bugs (as well as other bugs).
> > >
> > > I'm looking for some recommendations for stable code in the T train.   
> > > I'm
> > > getting input from several sources including Cisco, but I thought this 
> > > might
> > > be a good group of people to ask since we're probably using similiar 
> > > feature
> > > sets.
> > >
> > > Thanks !
> > >
> > > - Matt
> > >
> > >
> > >
> >
> > 12.2 has BGP bugs.  I do not know that they have been fixed yet.  mBGP
> > routes were getting inserted into the unicast routing table as unicast
> > routes.
> > /a
> 
> That (CSCdp61674 BGP: Multicast prefixes are inserted in IP RIB) was fixed
> in Jan. 2000.
> 
> mike
> 

Sorry for the late reply to this, but I was sure you were mistaken.  
The bug apparently came back in 12.2(2)T: 

Bug Id : CSCdu49076

 Headline      MBGP prefixes showing up in routing table
 Product       all         Model
 Component     bgp         Duplicate of
 Severity      2           Status            R
                                               12.2(4)T 12.0(19)ST 12.2(4)
                                             12.2(4)S 12.2(4)PB 12.1(9)E02
 Version Found   12.2(2)T  Fixed-in Version  12.2(4)T 12.2(4)PI 12.2(4)B
                                             12.2(4)PI 12.1(11) 12.2(4)PB
                                             12.2(4)B
 Release Notes

 Multicast Border Gateway Protocol (MBGP) prefixes may show up on the IP
 routing table. There is no workaround.


My TAC case ID B630053.

/a