PLANET XGS3-24042 - Manual (Page 366)

41-4
SwitchD(config-router-af)#exit-address-family
SwitchD(config-router)#exit
Here the connection between SwitchB and SwitchA is EBGP, and the connection between SwitchC and
SwitchD is IBGP. The BGP connection can be processed between SwitchB and SwitchD without physical link,
but the premise is a route which reaches from one switch to the other switch. The route can be obtained by
static routing or IGP.
41.4 MBGP4+ Troubleshooting
It is the same as corresponding section of BGP.