79 neighbor update-source, 80 neighbor version 4, Neighbor update – PLANET XGS3-24042 User Manual
Page 673: Source, Neighbor version

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Switch(config-route-map)#match ip next-hop 10
Route with nexthop as 10.1.1.100 will not be restrained.
37.79 neighbor update-source
Command:
neighbor {
no neighbor {
Function:
Configure the update source. The “no neighbor {
Parameter:
Default:
Not configured, namely use nearest interface.
Command Mode:
BGP route mode
Usage Guide:
Specified update source is allowed to connect with any available interface which normally is the
loop back interface. The NO forms restores to the nearest interface update source. Improper update
source use may lead to neighbor connection unavailable, while the invalid interface causes problem
which is also the reasons we use loop back interfaces. Note: the loop back interface should be
maintained with its address accessibility to be able to establish connections when as the update
source.
Example:
Switch(config-router)#neighbor 10.1.1.66 update-source 192.168.0.1
37.80 neighbor version 4
Command:
neighbor {
Function:
Configure the BGP version of the partner.