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63 summary-address, Summary, Address – PLANET XGS3-24040 User Manual

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33-202

10.1.1.0/24

12.1.1.0/24

Routing Information Sources:

Gateway Distance Last Update

Distance: (default is 110)

Address Mask Distance List

Routing Protocol is "bgp 0"

Outgoing update filter list for all interfaces is

Incoming update filter list for all interfaces is

IGP synchronization is disabled

Automatic route summarization is disabled

Neighbor(s):

Address FiltIn FiltOut DistIn DistOut Weight RouteMap

Incoming Route Filter:

33.63 summary-address

Command:

summary-address [{not-advertise|tag}]

Function:

Summarize or restrain external route with specific address scope.

Parameter:

address scope, shown in dotted decimal notation IPv4 address plus mask length.

not-advertised restrain the external routes.

tag is the identification label of the external routes, which ranges between

0~4294967295, and is defaulted at 0.

Command Mode:

OSPF protocol mode.

Usage Guide:

When routes are introduced into OSPF from other routing protocols, it is required to advertise every

route in a external LSA. This command is for advertise one summary route for those introduced

routes contained in specific network address and masks, which could greatly reduces the size of the

link state database.

Example:

Switch#config terminal

Switch(config)#router ospf

Switch(config-router)#summary-address 172.16.0.0/16 tag 3