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Brocade Communications Systems FastIron X Series User Manual

Brocade Communications Systems FastIron X Series
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If you make changes to lters or route maps and the neighbor does not support dynamic route refresh, use the following methods to
ensure that neighbors contain only the routes you want them to contain:
• If you close a neighbor session, the device and the neighbor clear all the routes they learned from each other. When the device
and neighbor establish a new BGP4 session, they exchange route tables again. Use this method if you want the device to
relearn routes from the neighbor and resend its own route table to the neighbor.
• If you use the soft-outbound option, the device compiles a list of all the routes it would normally send to the neighbor at the
beginning of a session. However, before sending the updates, the device also applies the lters and route maps you have
congured to the list of routes. If the lters or route maps result in changes to the list of routes, the device sends updates to
advertise, change, or even withdraw routes on the neighbor as needed. This ensures that the neighbor receives only the routes
you want it to contain. Even if the neighbor already contains a route learned from the device that you later decided to lter out,
using the soft-outbound option removes that route from the neighbor.
You can specify a single neighbor or a peer group.
To close a neighbor session and thus ush all the routes exchanged by the device and the neighbor, enter the following command.
device# clear ip bgp neighbor all
Syntax: clear ip bgp neighbor all | ip-addr | peer-group-name | as-num [ soft-outbound | soft [ in | out ] ]
The all , ip-addr , peer-group-name , and as-num parameters specify the neighbor. The ip-addr parameter species a neighbor by its IP
interface with the device. The peer-group-name species all neighbors in a specic peer group. The as-num parameter species all
neighbors within an AS and has a range of 1 through 4294967295. The all keyword species all neighbors.
To resend routes to a neighbor without closing the neighbor session, enter a command such as the following.
device# clear ip bgp neighbor 10.0.0.1 soft out
Clearing and resetting BGP4 routes in the IP route table
To clear BGP4 routes from the IP route table and reset the routes, enter a command such as the following.
device# clear ip bgp routes
Syntax: clear ip bgp routes [ ip-addr/
prex-length ]
Clearing trac counters
You can clear the counters (reset them to 0) for BGP4 messages.
To clear the BGP4 message counter for all neighbors, enter the following command.
device# clear ip bgp traffic
Syntax: clear ip bgp
trac
To clear the BGP4 message counter for a specic neighbor, enter a command such as the following.
device# clear ip bgp neighbor 10.0.0.1 traffic
To clear the BGP4 message counter for all neighbors within a peer group, enter a command such as the following.
device# clear ip bgp neighbor PeerGroup1 traffic
Syntax: clear ip bgp neighbor all | ip-addr | peer-group-name | as-num trac
Clearing trac counters
FastIron Ethernet Switch Layer 3 Routing
474 53-1003627-04

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Brocade Communications Systems FastIron X Series Specifications

General IconGeneral
BrandBrocade Communications Systems
ModelFastIron X Series
CategorySwitch
LanguageEnglish

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