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Configuring BGP4
December 2005
© Foundry Networks, Inc.
21 - 13
Syntax:
[no] neighbor <ip-addr> | <peer-group-name>
[advertisement-interval <num>]
[capability orf prefixlist [send | receive]]
[default-originate [route-map <map-name>]]
[description <string>]
[distribute-list in | out <num,num,...> | <acl-num> in | out]
[ebgp-multihop [<num>]]
[filter-list in | out <num,num,...> | <acl-num> in | out | weight]
[maximum-prefix <num> [<threshold>] [teardown]]
[next-hop-self]
[nlri multicast | unicast | multicast unicast]
[password [0 | 1] <string>]
[prefix-list <string> in | out]
[remote-as <as-number>]
[remove-private-as]
[route-map in | out <map-name>]
[route-reflector-client]
[send-community]
[soft-reconfiguration inbound]
[shutdown]
[timers keep-alive <num> hold-time <num>]
[unsuppress-map <map-name>]
[update-source <ip-addr> | ethernet [<slotnum>/]<portnum> | loopback <num> | ve <num>]
[weight <num>]
The <ip-addr> | <peer-group-name> parameter indicates whether you are configuring an individual neighbor or a
peer group. If you specify a neighbor’s IP address, you are configuring that individual neighbor. If you specify a
peer group name, you are configuring a peer group. See “Adding a BGP4 Peer Group” on page 21-17.
advertisement-interval
<num> specifies the minimum delay (in seconds) between messages to the specified
neighbor. The default is 30 for EBGP neighbors (neighbors in other ASs). The default is 5 for IBGP neighbors
(neighbors in the same AS). The range is 0 – 600.
NOTE:
The Layer 3 Switch applies the advertisement interval only under certain conditions. The Layer 3 Switch
does not apply the advertisement interval when sending initial updates to a BGP4 neighbor. As a result, the Layer
3 Switch sends the updates one immediately after another, without waiting for the advertisement interval.
capability orf prefixlist
[
send
|
receive
] configures cooperative router filtering. The
send
|
receive
parameter
specifies the support you are enabling:
•
send
– The Layer 3 Switch sends the IP prefix lists as Outbound Route Filters (ORFs) to the neighbor.
•
receive
– The Layer 3 Switch accepts filters as Outbound Route Filters (ORFs) from the neighbor.
If you do not specify the capability, both capabilities are enabled. The
prefixlist
parameter specifies the type of
filter you want to send to the neighbor.
For more information, see “Configuring Cooperative BGP4 Route Filtering” on page 21-55.
NOTE:
The current release supports cooperative filtering only for filters configured using IP prefix lists.
default-originate
[
route-map
<map-name>] configures the Layer 3 Switch to send the default route 0.0.0.0 to the
neighbor. If you use the route-map <map-name> parameter, the route map injects the default route conditionally,
based on the match conditions in the route map.
description
<string> specifies a name for the neighbor. You can enter an alphanumeric text string up to 80
characters long.
distribute-list in | out
<num,num,...> specifies a distribute list to be applied to updates to or from the specified
neighbor. The
in | out
keyword specifies whether the list is applied on updates received from the neighbor or sent
to the neighbor. The <num,num,...> parameter specifies the list of address-list filters. The router applies the filters
in the order in which you list them and stops applying the filters in the distribute list when a match is found.
Содержание FastIron Edge Switch X424
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