neighbor {
ip-address
|
peer-group-name
} distribute-list
prefix-list-name
{in | out}
Configure the following parameters:
•
ip-address
or
peer-group-name
: enter the neighbor’s IP address or the peer group’s name.
•
prefix-list-name
: enter the name of a configured prefix list.
•
in
: apply the prefix list to inbound routes.
•
out
: apply the prefix list to outbound routes.
As a reminder, the following are rules concerning prefix lists:
•
If the prefix list contains no filters, all routes are permitted.
•
If none of the routes match any of the filters in the prefix list, the route is denied. This action is called an implicit deny. (If you
want to forward all routes that do not match the prefix list criteria, you must configure a prefix list filter to permit all routes. For
example, you could have the following filter as the last filter in your prefix list permit 0.0.0.0/0 le 32).
•
After a route matches a filter, the filter’s action is applied. No additional filters are applied to the route.
To view the BGP configuration, use the
show config
command in ROUTER BGP mode. To view a prefix list configuration, use the
show ip prefix-list detail
or
show ip prefix-list summary
commands in EXEC Privilege mode.
Filtering BGP Routes Using Route Maps
To filter routes using a route map, use these commands.
1.
Create a route map and assign it a name.
CONFIGURATION mode
route-map
map-name
[permit | deny] [
sequence-number
]
2.
Create multiple route map filters with a match or set action.
CONFIG-ROUTE-MAP mode
{match | set}
For information about configuring route maps, see
.
3.
Return to CONFIGURATION mode.
CONFIG-ROUTE-MAP mode
exit
4.
Enter ROUTER BGP mode.
CONFIGURATION mode
router bgp
as-number
5.
Filter routes based on the criteria in the configured route map.
CONFIG-ROUTER-BGP mode
neighbor {
ip-address
|
peer-group-name
} route-map
map-name
{in | out}
Configure the following parameters:
•
ip-address
or
peer-group-name
: enter the neighbor’s IP address or the peer group’s name.
•
map-name
: enter the name of a configured route map.
•
in
: apply the route map to inbound routes.
•
out
: apply the route map to outbound routes.
To view the BGP configuration, use the
show config
command in CONFIGURATION ROUTER BGP mode. To view a route map
configuration, use the
show route-map
command in EXEC Privilege mode.
208
Border Gateway Protocol IPv4 (BGPv4)
Summary of Contents for S4048-ON
Page 1: ...Dell Configuration Guide for the S4048 ON System 9 9 0 0 ...
Page 146: ...Figure 14 BFD Three Way Handshake State Changes 146 Bidirectional Forwarding Detection BFD ...
Page 522: ...Figure 87 Configuring Interfaces for MSDP 522 Multicast Source Discovery Protocol MSDP ...
Page 523: ...Figure 88 Configuring OSPF and BGP for MSDP Multicast Source Discovery Protocol MSDP 523 ...
Page 528: ...Figure 91 MSDP Default Peer Scenario 1 528 Multicast Source Discovery Protocol MSDP ...
Page 529: ...Figure 92 MSDP Default Peer Scenario 2 Multicast Source Discovery Protocol MSDP 529 ...
Page 530: ...Figure 93 MSDP Default Peer Scenario 3 530 Multicast Source Discovery Protocol MSDP ...
Page 633: ...Policy based Routing PBR 633 ...
Page 777: ...Figure 119 Single and Double Tag TPID Match Service Provider Bridging 777 ...
Page 778: ...Figure 120 Single and Double Tag First byte TPID Match 778 Service Provider Bridging ...
