IP Router Configuration
Router Configuration Guide 101
The no form of the command removes the aggregate.
Default No aggregate routes are defined.
Parameters ip-prefix — The destination address of the aggregate route in dotted decimal notation.
Values The following values apply to the 7750 SR and 7950 XRS:
Values The following values apply to the 7450 ESS:
ip-prefix-length — The mask associated with the network address expressed as a mask length.
Values 0 to 32
summary-only — This optional parameter suppresses advertisement of more specific component
routes for the aggregate.
To remove the summary-only option, enter the same aggregate command without the
summary-only parameter.
as-set — This optional parameter is only applicable to BGP and creates an aggregate where the
path advertised for this route will be an AS_SET consisting of all elements contained in all
paths that are being summarized. Use this feature carefully as it can increase the amount of
route churn due to best path changes.
aggregator as-number:ip-address — This optional parameter specifies the BGP aggregator path
attribute to the aggregate route. When configuring the aggregator, a two-octet AS number
used to form the aggregate route must be entered, followed by the IP address of the BGP
system that created the aggregate route.
community comm-id — This configuration option associates a BGP community with the
aggregate route. The community can be matched in route policies and is automatically added
to BGP routes exported from the aggregate route.
Values
ipv4-prefix a.b.c.d (host bits must be 0)
ipv4-prefix-length 0 to 32
ipv6-prefix x:x:x:x:x:x:x:x (eight 16-bit
pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 to FFFF]H
d: [0 to 255]D
ipv6-prefix-length 0 to 128
ipv4-prefix a.b.c.d (host bits must be 0)
ipv4-prefix-length 0 to 32
comm-id asn:comm-val | well-known-comm
asn 0 to 65535
comm-val 0 to 65535
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