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BGP and BGP4+ Commands
Software Reference Supplement for SwitchBlade® x8112, x908, x900 and x610 Series Switches
C613-50032-01 REV D AlliedWare Plus
TM
Operating System - Software Version 5.4.3-2.6 3.11
The as-set parameter controls the AS-path attribute that is advertised with the
aggregate route. If the switch has learnt multiple routes that are within the range of the
aggregate address/mask, and the AS-paths associated with those routes contain different
sets of AS-numbers, then it is not possible to create a single AS-path that accurately
represents the AS-paths of all those component routes. In this case, the switch will, by
default, advertise a NULL AS-path with the aggregate.
Usage [BGP4+] If the summary-only parameter is specified, then only the aggregate address/mask will
be advertised, and none of the component addresses that fall within the range of the
aggregate address/mask. For example, if you configure:
then the switch will advertise the prefix 2001:0db8::/64, but no component routes
like 2001:0db8:010d::1/128
Examples [BGP]
awplus# configure terminal
awplus(config)# router bgp 100
awplus(config-router)#address-family ipv6
awplus(config-router-af)# aggregate-address
2001:0db8::/64
summary-only
awplus#
configure terminal
awplus(config)#
router bgp 100
awplus(config-router)#
aggregate-address 192.0.0.0/8 as-set
summary-only
awplus#
configure terminal
awplus(config)#
router bgp 100
awplus(config-router)#
no aggregate-address 192.0.0.0/8 as-set
summary-only