cisco practical exam answers

cisco practical exam answers

The configuration of R2 is as follows (the tunnel is not configured temporarily ): N-SEL 1- byte selector, English: NSAP-Selector is similar to the port in TCP/IP , identifies the process (or service) on the device, and is 00 in NET . ! C It is also to check the FIB table, find 301 corresponding to the tag outgoing label is PoP and the next hop is D , then the head will pop up labels, which expose the original IPv4 data, C will be to the packet D . The OSPF adjacency relationship will not be established until the LDP session is successfully established or the "synchronization hold time" expires . The synchronization here indicates that the local label bundle has been sent to the LDP peer through the LDP session . However,cisco practical exam answers, if A is activated on the router and MPLS LDP-IGP is synchronized, and there is only one link between A and B , and no other available path to B , the OSPF adjacency will never be established. Because OSPF waits for the LDP session is established, but the LDP session can not be set up because A can not learn in its routing table B of LDP routerID route, so enter an infinite loop, OSPF and LDP adjacencies will never Unable to create. In this case, LDP-IGP synchronization will activate the OSPF adjacency unconditionally , so that the link will advertise the largest.The metric value until the synchronization is complete.