1. Run:
system-view
The system view is displayed.
2. Run:
bgp as-number
The BGP view is displayed.
3. Run:
ipv4-family unicast
The IPv4 unicast address family view is displayed.
4. Run:
peer { ipv4-address | group-name } keep-all-routes
The device is configured to store all the routing updates received from its peers
or peer groups.
By default, the device stores only the routing updates that are received from peers or
peer groups and match a configured import policy.
After this command is used, all routing updates sent by a specified peer or peer group
are stored, regardless of whether an import policy is used. When the local routing
policy changes, the information can be used to regenerate BGP routes again.
NOTE
This command must be run on the local device and its peers. If the peer keep-all-routes
command is run on the device for the first time, the sessions between the device and its peers
are reestablished.
The peer keep-all-routes command does not need to be run on the switch that supports route-
refresh. If the peer keep-all-routes command is run on the switch, the sessions between the
switch and its peers will not be reestablished but the refresh bgp command does not take effect
on the switch.
----End
7.6.5 Checking the Configuration
After configuring BGP route reception, you can view the imported routes matching a specified
filter.
Prerequisites
The BGP route reception configurations are complete.
Procedure
l Run the display ip as-path-filter [ as-path-filter-number | as-path-filter-name ] command
to check a configured AS_Path filter.
l Run the display ip community-filter [ basic-comm-filter-num | adv-comm-filter-num |
comm-filter-name ] command to check information about a configured community filter.
l Run the display ip extcommunity-filter [ extcomm-filter-number | extcomm-filter-name ]
command to check information about a configured extended community filter.
l Run the display bgp routing-table as-path-filter { as-path-filter-number | as-path-filter-
name } command to check information about routes matching a specified AS_Path filter.
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 7 BGP Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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