What are three TLVs that support IS-IS extensions for traffic engineering?()
A、Extended IS reachability
B、Extended IP reachability
C、Traffic engineering opaque
D、Traffic engineering router ID
E、Extended MPLS reachability
A、Extended IS reachability
B、Extended IP reachability
C、Traffic engineering opaque
D、Traffic engineering router ID
E、Extended MPLS reachability
A、A. Extended IS reachability B、B. Extended IP reachability C、C. Traffic engineering opaque D、D. Traffic engineering router ID E、E. Extended MPLS reachability
A、peer discovery B、label distribution C、path initialization D、session management E、connection establishment