In order to publish IPv6 routes in BGP4+, what fields are added in Update?

Which of the following functions will affect the establishment of BGP neighbors? (Multiple choice)

In the LDP session establishment process, the active party will first send the lnitialization information for parameter negotiation, and if the passive party does not accept the negotiation parameters, it will send _____ .

Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on the PE?

In order to prevent hackers from attacking user equipment or network through MAC address, the MAC address of untrusted users can be configured as black hole MAC address to filter out illegal MAC