In the same environment, engineers A and B execute the tracert command. The destination addresses are the same, but the paths are different. What are the possible reasons?
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?
As shown in the figure, Sitel and Site2 need to achieve mutual access through the operator's BGP/MPLS IPVPN. A known
The public network tunnel between PE1 and PE2 has been established (the label information is shown in the figure), and PF1 has
The 192.168.1.0/24 network segment route is advertised to PE2 through the MP.JIBGP neighbor relationship, and the route learning is normal. When grabbing between P and PE1, when Site2 accesses the 192.168.1.0/24 data of Sitel, the outermost label
What should the sign be?
FEC In/Out label
1.1.1.1/32 6662/3
[According to this picture, Peimen can judge?
cR3>display ipv6 routing-table protocol isis
Part of the configuration of R1 is as follows. Which statement about IS-IS on R1 is correct?
3vpn-instarwce rr
level- 2
cost-style wide
-erntity 47.ccOa 3eft)btxlci-dael
BGP4+ carries the next hop address of the IPv6 route through the Next Hop attribute in the Update packet. (Moved into Attribute 14)
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?
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?
The default MPLS label publishing mode, label distribution control mode and label retention mode of Huawei routers are respectively
An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two devices, which of the following Is a statement wrong?
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
The Discovery message of LDP is used for neighbor discovery, and LDP has different discovery mechanisms when discovering neighbors. The following statement about the Discovery message in the basic discovery mechanism is correct
In OSPF, the A, BR will convert all type 7 L SAs in the NSSA area to type 5 L SAs.
The routing attributes of the three routing entries are shown in the figure. Assuming that the next hops of the three routing entries are all reachable, when these three routing entries are
After the entries arrive at the BP router in order, by default, BGP will finally call a route
entry?
In addition to virtual connections, what type of IPv6 address is the source IPv6 address of OSPFv3's Hello text?
Which of the following actions may affect the normal operation of the customer's network?
During the process of viewing the debug input through the SSH terminal, there is a lot of pop-up information. Which of the following operations can make the monitor terminal no longer pop up the debug message?
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?
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?
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?
multiple equal-cost routes may appear. About the IS-IS network , which of the following descriptions is false?
What is wrong with this configuration description is:
[Huawei]dhcp enable
[Huaweijinte GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/0/1 ]dhcp option82 insert en [Huawei-GigabitEthernet0/0/1 ]dhcp snooping enable [Huawei-GigabitEthernet0/0/1]dhcp snooping trusted
The rollback operation of project cutover can be temporarily determined according to the situation during cutover, and no advance plan is required.
After a fault occurs, you need to collect and back up various types of fault information in time as a reference for troubleshooting. In addition, when seeking emergency assistance from Huawei Technologies Co., Ltd.
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.
The partial configuration of R1 is as follows. Which statement about OSPF on R1 is correct?
ospf 1 router-id 172.16.1 J
area 0.0.0.0
network 10.1.12.1 0.0.0.0
network 10.1.13.1 OQO.O
network 172 J 6.1.1 0.0.0.0
To speed up the detection of link failures in an IS-IS network, you can associate IS-IS with BFD.
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TESTED 24 Nov 2024
