User Manual UMN:CLI
V5808
513
aggregate-address A.B.C.D/M
as-set [summary-only]
Summarizes the information of routes and transmits it
to the other routers.
A.B.C.D/M: network address
summary-only: transmits IP prefix only.
as-set: transmits one AS-path information.
aggregate-address A.B.C.D/M
summary-only [as-set]
To delete the route’s information of specific network address, use the following command.
no aggregate-address A.B.C.D/M
as-set [summary-only]
Disables the summarization function of routes.
no aggregate-address A.B.C.D/M
summary-only [as-set]
11.1.2.2 Automatic Summarization of Path
Automatic summarization is new feature to expend the route information up to the class of
specified IP address on interface connected directly to BGP router. For example, A class
is fundamentally had “/8” as the subnet mask in case IP address assigned 100.1.1.1 in A
class. It can generate route information of 100.0.0.0/8.
To enable/disable automatic summarization of the route, use the following command.
Enables automatic network summarization of a route.
Disables automatic network summarization of a route.
Please note that, use this feature when you use the basic classes in network.
11.1.2.3 BGP Next-Hop Address Tracking
BGP prefixes are automatically tracked as peering sessions are established. BGP next-
hop address tracking feature significantly improves the response time of BGP to next-hop
changes for routes installed in the RIB.
To enable/disable BGP next-hop address tracking, use the following command.
bgp nexthop trigger disable
Enables BGP next-hop address tracking. (default)
bgp nexthop trigger enable
Disables BGP next-hop address tracking.
To set the delay interval between routing table walks for BGP next-hop address tracking,
use the following command.
bgp nexthop trigger delay <2-
30>
Configures the delay interval between routing table
walks for next-hop address tracking.
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