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Please match the command with the function implemented.
In the MPLS network, there are different operation types for labels, among which the meaning of the "pop" action is:
Network administrator A wants to use the AS-Path Fiter to match the routing entries of the BGP routing attribute AS_PATH [100 200 300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can satisfy network administrator A's requirements? Require?
As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO
Which of the following statements about the multicast address used by 0SPFv3 is correct?
As shown in the figure, OSPF is enabled on all the routers. The IP address marked in the figure is the IP address of the loopbackO interface of the device. The LoopbackO of R1 and R2 is advertised in area 1, the LoopbackO of R4 is advertised in area 0, and the LoopbackO of R3 and R5E is advertised in area 0. In area 2, which of the following IP addresses can ping each other?
The ipv6 enable topology standard has been set in the S-IS protocol view. The meaning of this command is:
Pv4 shares a topology with IPv6.
In an MPLS VPN network, data packets are forwarded when they enter the public network. will be encapsulated with two layers of MPLS labels
sign. Which of the following options describes the processing of the packet correctly:
aboutOSPFWhich of the following statements is false?
According to this picture, you can judge
As shown in the figure, MPLS LSP is set up in the network, and the goal is to establish an LDP session between SWA and SWB.
In the process of viewing the debug output through the SSH terminal, a lot of information pops up. Which of the following operations can
Make the Moni tor terminal no longer pop up debug messages?
From the user's point of view, any phenomenon that affects the business can be defined as a fault.
Regarding the MPLS forwarding process, the description of Ingress node forwarding is correct:
In BGP/MPLS IP VPN, the 0SPF multi-instance process uses the DN bit to prevent Type5 LSA loops.
Which of the following reasons may cause the hosts in the same--VLAN LAN to fail to communicate with each other
In the network shown in the figure below, to implement a remote LDP session between SWA and SWC. the following
The law is correct
The default MPLS label publishing mode, label distribution control mode and label retention mode of Huawei routers are respectively
About the difference between NSR and NSF, which is correct?
The RR rules for advertising routes violate the IBGP split horizon rules, which may cause loops in the AS. Which routing attributes does RR use to prevent loops?
BGP4+ carries the next hop address of the IPv6 route through the Next Hop attribute in the Update packet. (Moved into Attribute 14)
IEIF expands the functions of OSPF by taking advantage of the strong expansibility of OSPF. To enable it to support IPv6 networks, the expanded protocol is called OSPFv3. OSPFv3 is compatible with OSPFv2.
How many bits are there in the label field of PLS?
The IS-IS Level-1 neighbor relationship between R3 and R4 is not established. According to the information in this figure_What is the possible reason?
Configure ipv6 preference in IS-IS protocol view. The function of this command is to configure the priority of IPv6 routes generated by IS-Is protocol.
As shown in the figure, there is a packet containing a three-layer label header. Please select the values (decimal) corresponding to the x, and Z fields in the figure.
In the multi-level RR scenario, a large number of secondary RRs will be connected to the primary RR, which may lead to BGP of the primary RR. The routing table overflows, what method can be used to reduce the risk of overflowing the routing table of the advanced RR BGP?
A campus deploys OSPF to implement network interworking. The LSDB of R2 is shown in the figure. From this LSDB. it is possible to
What information was obtained?
In PLSVPN, in order to distinguish IPv4 prefixes that use the same address space, the value of R0 is added to the IPv4 address. The correct description of the following options is:
What is the meaning of display current-configuration I include vlan command?
Does the role of Link-LSA in OSPFv3 not include?
About the difference between NSR and NSF, which is correct?
In what ways can log information be viewed:
As shown in the figure, the MP_BGP neighbor relationship is established between PE1 and PE2 through the LoopbackO interface. After the configuration is complete, it is found that CE1 and CE2 cannot learn routes from each other. Which of the following options will cause this problem.
OSPFV2 is an IGP running on an IPv4 network; OSPFV3 is an IGPo running on an IPv6 network. The basic working mechanism of OSPFv3 is the same as that of OSPFV2, such as the election of DR and B, DR. As shown in the figure, an engineer uses 3 routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFV3.
Pass. Which of the following statements about the election of the network DR is correct?
As shown in the figure, private network routing information is exchanged between PE1 and PE2 and their respective CEs through OSPF, and the same DomainlD is set on both PE1 and PE2. When routes are imported from BGP to OSPF on PE2, it is possible that Which of the following types of SAs are passed to CE2?
The rules of RR advertising routes violate the rules of IBGP split horizon, so it may cause loops in the AS
road. Which routing attributes does RR use to prevent loops?
As shown in the figure, an engineer uses 4 routers to test branch network interoperability. Among them, R1, R2, and R3 in branch 1 deploy OSPF to implement network interoperability. R2, R3, and R4 in branch 2 deploy IS-S to implement network interoperability. Now the engineer wants to implement R1 to access the loopback interface address of R4. Which of the following operations can meet this requirement?
In OSPFv3, an LSA whose propagation range is one area has_____kind. (Fill in Arabic numerals only)