问题:
A . The tunnel that is not configured with the policy-class command acts as the default
B . EXP selection is between multiple tunnels to the same destination
C . There is no requirement for IGP extensions
D . Tunnels are configured using the policy-class command and carry multiple EXP values
E . It supports VRF traffic, IP-to-MPLS switching, and MPLS-to-MPLS switching
● 参考解析
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