Disabling Capabilities Negotiation; Configuring Ebgp; Disabling Ebgp Single-Hop Checking - Cisco Nexus 7000 Series Configuration Manual

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
nexthop route-map name
Example:
switch(config-router-af)# nexthop
route-map nextHopLimits

Disabling Capabilities Negotiation

You can disable capabilities negotiations to interoperate with older BGP peers that do not support
capabilities negotiation.
To disable capabilities negotiation, use the following command in neighbor configuration mode:
Command
dont-capability-negotiate
Example:
switch(config-router-neighbor)#
dont-capability-negotiate

Configuring eBGP

This section includes the following topics:
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•
•
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Disabling eBGP Single-Hop Checking

You can configure eBGP to disable checking whether a single-hop eBGP peer is directly connected to
the local router. Use this option for configuring a single-hop loopback eBGP session between directly
connected switches.
To disable checking whether or not a single-hop eBGP peer is directly connected, use the following
command in neighbor configuration mode:
Command
disable-connected-check
Example:
switch(config-router-neighbor)#
disable-connected-check
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
11-24
Disabling eBGP Single-Hop Checking, page 11-24
Configuring eBGP Multihop, page 11-25
Disabling a Fast External Fallover, page 11-25
Limiting the AS-path Attribute, page 11-25
Chapter 11
Purpose
Specifies a route map to match the BGP next-hop
route to. The name can be any case-sensitive
alphanumeric string up to 63 characters.
Purpose
Disables capabilities negotiation. You must
manually reset the BGP sessions after configuring
this command.
Purpose
Disables checking whether or not a single-hop
eBGP peer is directly connected. You must
manually reset the BGP sessions after using this
command.
Configuring Advanced BGP
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