Re: bgp aggregate-address

From: Petr Lapukhov (petr@internetworkexpert.com)
Date: Tue Jul 15 2008 - 07:53:16 ART

David,
look at the following configuation steps sequence:

==

Rack1R1(config)#router bgp 100
Rack1R1(config-router)#aggregate-address 150.1.0.0 255.255.0.0 route-map
TEST

Rack1R1(config-router)#do sh run | beg router bgp
router bgp 100
 no synchronization
 bgp log-neighbor-changes
 network 150.1.1.0 mask 255.255.255.0
 aggregate-address 150.1.0.0 255.255.0.0 attribute-map TEST

==

As you can see, with aggregate-address command, route-map option is synonym
to "attribute-map" (IOS converts it automatically). The option name was
probably chosen to be compatible with "network X.X.X.X mask Y.Y.Y.Y
route-map AAA" command syntax. The idea is that "attribute-map" option with
"aggregate-address" command perfroms the same function as "route-map" option
with the "network" command (i.e. sets route/aggregate attributes). 

-- 
Petr Lapukhov, CCIE #16379 (R&S/Security/SP/Voice)
petr@internetworkexpert.com

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2008/7/15 David Lonnie <david.lonnie@gmail.com>:

> Hi,experts:
> I have a question about aggregate-address command.
>
> R1(config-router)#aggregate-address 200.200.0.0 255.255.0.0 route-map ?
>  WORD  Route map for parameter control
>
> what does the route-map followed with aggregate-address mean?
>
> I cant find it in the DocCD, but when i lab,and type "?" , i found this.
>
> if someone can explain for me ,or give me a link about this. I will be very
> appreciated.
>
>
> Thanks in advance.
>
>
>
> David
>
>
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