From: Victor Cappuccio (cvictor@protokolgroup.com)
Date: Wed May 10 2006 - 19:39:14 ART
Hello List..
Why using the as-set and the advertise-map in aggregate, the Route becomes
Atomic Aggregate? Why the attributes of the specific route, is not preserved
the aggregate routes ??
Thanks
Victor.
Rack1R3#show ip bgp 112.0.0.00
BGP routing table entry for 112.0.0.0/5, version 34
Paths: (2 available, best #1, table Default-IP-Routing-Table)
Advertised to non peer-group peers:
10.5.5.5 10.8.8.8
100 54, (aggregated by 100 10.1.1.1)
10.1.1.1 (metric 540160) from 10.1.1.1 (10.1.1.1)
Origin IGP, metric 0, localpref 100, valid, external,
atomic-aggregate, best
Community: 54
100 54, (aggregated by 100 10.1.1.1)
10.8.8.8 (metric 409600) from 10.8.8.8 (10.8.8.8)
Origin IGP, metric 0, localpref 100, valid, internal, atomic-aggregate
Community: 54
Rack1R1#show ip bgp | in 0.0.0.0
*> 28.119.16.0/23 0.0.0.0 200 32768 54 i
*> 112.0.0.0/5 0.0.0.0 200 32768 54 i
*> 172.168.0.0/19 0.0.0.0 32768 i
*> 199.198.0.0/20 0.0.0.0 32768 i
Rack1R1#show run | be router bgp 100
router bgp 100
no synchronization
bgp router-id 10.1.1.1
bgp log-neighbor-changes
aggregate-address 28.119.16.0 255.255.254.0 as-set summary-only
aggregate-address 112.0.0.0 248.0.0.0 as-set summary-only advertise-map
AVER
aggregate-address 172.168.0.0 255.255.224.0 summary-only
aggregate-address 199.198.0.0 255.255.240.0 summary-only
neighbor 10.2.2.2 remote-as 100
neighbor 10.2.2.2 update-source Loopback0
neighbor 10.2.2.2 next-hop-self
neighbor 10.2.2.2 send-community
neighbor 10.3.3.3 remote-as 300
neighbor 10.3.3.3 ebgp-multihop 255
neighbor 10.3.3.3 update-source Loopback0
neighbor 10.3.3.3 send-community
neighbor 10.8.8.8 remote-as 300
neighbor 10.8.8.8 ebgp-multihop 255
neighbor 10.8.8.8 update-source Loopback0
neighbor 10.8.8.8 send-community
no auto-summary
!
ip http server
Rack1R1#show route-map
route-map AVER, permit, sequence 10
Match clauses:
ip address prefix-lists: EMITE
Set clauses:
Policy routing matches: 0 packets, 0 bytes
route-map SOLOLO0, permit, sequence 10
Match clauses:
interface Loopback0
Set clauses:
Policy routing matches: 0 packets, 0 bytes
route-map OSPF->EIGRP, permit, sequence 10
Match clauses:
Set clauses:
tag 1110
Policy routing matches: 0 packets, 0 bytes
Rack1R1#show ip prefix
ip prefix-list EMITE: 1 entries
seq 10 deny 113.0.0.0/8
Rack1R1#
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