[j-nsp] BGP community question

Eric Van Tol eric at atlantech.net
Sat Aug 25 13:25:17 EDT 2007


Hi all,
I'm beating my head against the wall trying to figure out why a route is
matching a specific community-name:

comm1 members "^5500:(1[0-2][0-9]0)|(5500)|(90)|(120)|(0)$"

Here's the detailed route info:

lab# run show route 172.16.52.0/24 detail active-path 

inet.0: 222841 destinations, 445525 routes (222840 active, 0 holddown, 1
hidden)
Restart Complete
172.16.52.0/24 (2 entries, 1 announced)
        *BGP    Preference: 170/-101
                Next-hop reference count: 6
                Source: 192.168.1.5
                Next hop: 192.168.150.2 via fe-0/0/0.0, selected
                Next hop: 192.168.150.3 via fe-0/0/2.0
                Protocol next hop: 192.168.150.10
                Indirect next hop: 89f5444 262229
                State: <Active Int Ext>
                Local AS:  1 Peer AS:  2
                Age: 6w1d 10:24:31      Metric: 0       Metric2: 13 
                Announcement bits (3): 0-KRT 4-BGP RT Background
5-Resolve tree 1 
                Communities: 64600:12001
                Localpref: 100

Now, as far as I can tell, 64600:12001 does *not* match the defined
community 'comm1', but the route always shows up when doing a 'show
route community-name comm1'.

What am I missing here?

Thanks,
evt


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