ECS4660-28F_Management Guide-R03

Table Of Contents
C
HAPTER
51
| IP Routing Commands
Border Gateway Protocol (BGPv4)
– 1861
neighbor
attribute-unchanged
This command configures certain route attributes to be kept unchanged for
transparent transmission to the specified neighbor. Use the no form to
disable this feature.
SYNTAX
[no] neighbor {ip-address | group-name} attribute-unchanged
[as-path] [med] [next-hop]
ip-address – IP address of a neighbor.
group-name – A BGP peer group containing a list of neighboring
routers configured with the neighbor peer-group command.
as-pathAS path attribute
med – Mult-Exit Discriminator (MED) attribute
next-hop – Next hop attribute
COMMAND MODE
Router Configuration
DEFAULT SETTING
Disabled
COMMAND USAGE
If this command is entered without specifying any route attributes, then all
three optional attributes are used.
EXAMPLE
Console(config-router)#neighbor 10.1.1.64 attribute-unchanged
Console(config-router)#
neighbor
capability dynamic
This command configures dynamic negotiation of capabilities between
neighboring routers. Use the no form to disable this feature.
SYNTAX
[no] neighbor {ip-address | group-name} capability dynamic
ip-address – IP address of a neighbor.
group-name – A BGP peer group containing a list of neighboring
routers configured with the neighbor peer-group command.
COMMAND MODE
Router Configuration
DEFAULT SETTING
Disabled