Cisco Nexus 7000 Series Configuration Manual page 334

Configuring Advanced BGP
S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m .
Command
low-memory exempt
Example:
switch(config-router-neighbor)# low-memory
exempt
transport connection-mode passive
Example:
switch(config-router-neighbor)# transport
connection-mode passive
remove-private-as
Example:
switch(config-router-neighbor)#
remove-private-as
update-source interface-type number
Example:
switch(config-router-neighbor)#
update-source ethernet 2/1
To tune BGP, use the following optional commands in neighbor address-family configuration mode:
Command
suppress-inactive
Example:
switch(config-router-neighbor-af)#
suppress-inactive
default-originate [route-map map-name]
Example:
switch(config-router-neighbor-af)#
default-originate
filter-list list-name {in | out}
Example:
switch(config-router-neighbor-af)#
filter-list BGPFilter in
prefix-list list-name {in | out}
Example:
switch(config-router-neighbor-af)#
prefix-list PrefixFilter in
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
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Chapter 11
Purpose
Exempts this BGP neighbor from a possible
shutdown due to a low memory condition.
Allows a passive connection setup only. This BGP
speaker does not initiate a TCP connection to a
BGP peer. You must manually reset the BGP
sessions after configuring this command.
Removes private AS numbers from outbound route
updates to an eBGP peer. This command triggers an
automatic soft clear or refresh of BGP neighbor
sessions.
See the "Guidelines and Limitations for
Note
Advanced BGP" section for more
information on this command.
Configures the BGP speaker to use the source IP
address of the configured interface for BGP
sessions to the peer. This command triggers an
automatic notification and session reset for the
BGP neighbor sessions.
Purpose
Advertises the best (active) routes only to the BGP
peer. This command triggers an automatic soft
clear or refresh of BGP neighbor sessions.
Generates a default route to the BGP peer.
Applies an AS_path filter list to this BGP peer for
inbound or outbound route updates. This command
triggers an automatic soft clear or refresh of BGP
neighbor sessions.
Applies a prefix list to this BGP peer for inbound
or outbound route updates. This command triggers
an automatic soft clear or refresh of BGP neighbor
sessions.
Configuring Advanced BGP
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