>
> Add "no auto-summary" to the bgp process and
> it'll probably do the trick. It turns off
> antiquated summarizatoin along "classful" boundaries.
> No clue why it's still the default.
> Should've been axed like five or six years ago.
>
> Tony
Amen. And while we're at it, send-community should become the default.
Simple misconfigs on routers living in ASs that do community-based filters
have caused some big issues in the past. Now that Juniper makes it the
default, lets see if Cisco will follow suit.
chris
>
> >
> >
> > interface Ethernet0
> > description X-Connect to 10.1.130.85/30
> > ip address 10.1.130.86 255.255.255.252
> >
> > interface Ethernet1
> > ip address 10.2.27.1 255.255.255.224
> >
> > router bgp 65000
> > no synchronization
> > network 10.2.27.0 mask 255.255.255.224
> > aggregate-address 10.2.27.0 255.255.255.224 summary-only
> > neighbor 10.1.130.85 remote-as 65001
> > neighbor 10.1.130.85 next-hop-self
> > neighbor 10.1.130.85 route-map US-OUT out
> > neighbor 10.1.130.85 filter-list 166 out
> >
> > ip route 0.0.0.0 0.0.0.0 10.1.130.85
> > ip route 10.2.27.0 255.255.255.224 Null0 200
> >
> > ip as-path access-list 166 permit ^$
> >
> > ip prefix-list upstream_ip_out seq 10 permit 10.2.27.0/27
> >
> > route-map US-OUT permit 10
> > match ip address prefix-list upstream_ip_out
> >
> > #sh ip rou
> > Gateway of last resort is 10.1.130.85 to network 0.0.0.0
> >
> > 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
> > C 10.2.27.0/27 is directly connected, Ethernet1
> > C 10.1.130.84/30 is directly connected, Ethernet0
> > S* 0.0.0.0/0 [1/0] via 10.1.130.85
> >
> > #sh ip bgp nei 10.1.130.85
> > BGP neighbor is 10.1.130.85, remote AS 65001, external link
> > Index 1, Offset 0, Mask 0x2
> > NEXT_HOP is always this router
> > BGP version 4, remote router ID 10.3.1.1
> > BGP state = Established, table version = 2, up for 00:17:28
> > Last read 00:00:28, hold time is 180, keepalive
> interval is 60 seconds
> > Minimum time between advertisement runs is 30 seconds
> > Received 101 messages, 0 notifications, 0 in queue
> > Sent 101 messages, 0 notifications, 0 in queue
> > Prefix advertised 0, suppressed 0, withdrawn 0
> > ^^^^^^^^^^^^^^^^^^^
> > Outbound path policy configured
> > Outgoing update AS path filter list is 166
> > Route map for outgoing advertisements is US-OUT
> > Connections established 7; dropped 6
> > Last reset 00:17:52, due to User reset
> > 0 accepted prefixes consume 0 bytes
> > 0 history paths consume 0 bytes
> > Connection state is ESTAB, I/O status: 1, unread input bytes: 0
> > Local host: 10.1.130.86, Local port: 11006
> > Foreign host: 10.1.130.85, Foreign port: 179
> >
> >
> >
>
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:12:34 EDT