Brocade Virtual ADX Switch and Router Guide (Supporting AD Manual de usuario Pagina 282

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268 Brocade Virtual ADX Switch and Router Guide
53-1003246-01
Filtering
8
Enabling soft reconfiguration
To configure a neighbor for soft reconfiguration, enter a command such as the following.
Virtual ADX(config-/jointfilesconvert/1441199/bgp-router)# neighbor 10.10.200.102 soft-reconfiguration
inbound
This command enables soft reconfiguration for updates received from 10.10.200.102. The
software dynamically resets the session with the neighbor, then retains all route updates from the
neighbor following the reset.
Syntax: [no] neighbor ip-addr soft-reconfiguration inbound
NOTE
The syntax related to soft reconfiguration is shown. For complete command syntax, refer to
“Configuring BGP4 neighbors” on page 228.
Placing a policy change into effect
To place policy changes into effect, enter a command such as the following.
Virtual ADX(config-/jointfilesconvert/1441199/bgp-router)# clear ip /jointfilesconvert/1441199/bgp neighbor 10.10.200.102 soft in
prefix-filter
This command updates the routes by comparing the route policies against the route updates that
the device has stored. The command does not request additional updates from the neighbor or
otherwise affect the session with the neighbor.
Syntax: clear ip /jointfilesconvert/1441199/bgp neighbor ip-addr soft in prefix-filter
NOTE
If you do not specify in, the command to both inbound and outbound updates.
NOTE
The syntax related to soft reconfiguration is shown. For complete command syntax, refer to
“Dynamically refreshing routes” on page 270.
Displaying the filtered routes received from the neighbor
When you enable soft reconfiguration, the device saves all updates received from the specified
neighbor, including updates that contain routes that are filtered out by the BGP4 route policies in
effect on the device. To display the routes that have been filtered out, enter the following command
at any level of the CLI.
Virtual ADX# show ip /jointfilesconvert/1441199/bgp filtered-routes
Searching for matching routes, use ^C to quit...
Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST C:CONFED_EBGP D:DAMPED
E:EBGP H:HISTORY I:IBGP L:LOCAL M:MULTIPATH S:SUPPRESSED F:FILTERED
Prefix Next Hop Metric LocPrf Weight Status
1 10.0.0.0/8 192.168.4.106 100 0 EF
AS_PATH: 65001 4355 701 80
2 10.0.0.0/8 192.168.4.106 100 0 EF
AS_PATH: 65001 4355 1
3 10.60.212.0/22 192.168.4.106 100 0 EF
AS_PATH: 65001 4355 701 1 189
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