In an MPLS domain, LSR can be divided into Ingress LSR, Transit LSR and Egress LSR according to the way the LSR processes data. For the same FEC, a certain LSR can be the Ingress LSR of the FEC or the Transit LSR of the FEC.
Answer(s): B
A certain park deployed IPv6 for service testing. At the initial stage of deployment, engineers wanted to achieve network interoperability through Pv6 static routing. When creating IPv6 static routes. You can specify both the outgoing interface and the next hop, or only the outgoing interface or only the next hop.
When configuring the DHCP Relay function on the device, the VLANIF interface of the relay connected to the client must be bound to the DHCP server group, and the bound DHCP server group must be configured with the proxy DHCP server IP address.
From the user's point of view, any phenomenon that affects the business can be defined as a failure.
Answer(s): A
Display interface GE0/0/0 once, and find that the Total Error count (the total number of error packets on the physical layer of the interface) is not 0. At this point, it can be concluded that the current fault has not disappeared.
When MPLS is deployed in the network and the network layer protocol is IP, the route corresponding to the FEC must exist in the IP routing table of the LSR, otherwise the label forwarding entry of the FEC will not take effect.
In the DU label distribution mode, if the Liberal retention mode is adopted, the device will retain all the labels distributed by the LDP Peer, regardless of whether the LDP Peer is the optimal next-hop to reach the target network segment.
The rollback operation of the project cutover can be determined temporarily according to the situation during the cutover, and no advance planning is required.
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