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1. Now the 6509 and 7609, SUP720 exchange bandwidth to 720G, can you say that 7609/6509 can replace some of the status of GSR?
2. Which routes are included in the routing table of isis level1? When there are multiple level-1-2 exits, where do other routes learn from, how to choose a route?
3. MPLS L3 ***, what if I want two different *** to be one-way visits?
4. Cross-domain MPLS L3 *** Can you talk about ideas?
5. A user of MPLS L3 ***, he has the Internet requirements, how to achieve? How many implementation methods? What are the characteristics?
6. MPLS L3 ***, what if I want two different *** to be one-way visits?
7. What are the characteristics of L3 *** and L2 ***? Which model do you think is more promising?
8. Let's talk about the difference between ISIS and OSPF.
9. What is the reason for selecting a backbone or metropolitan area network for ISIS and OSPF?
10. What are the common BGP routing principles? How to use one piece between the backbone network and the metropolitan area network?
11. If BGP adds max path, which BGP routing attribute will be applied before this option?
12. Why do the backbone network pop and metro network exits be next-hop-self?
13. There are four routers in the word-to-word interconnection between the two ASs. One of them learns a network from EBGP and learns the same network from IBGP. Which one is the route? Which attribute is it affected? If I come over IBGP and add MED less than from EBGP, which one to choose? why?
14. What is the difference between local-pre and weight?
15. Can BGP achieve load balancing? If so, what are the methods?
16. Can I compare MEDs between multiple ASs? If yes, do you need the prerequisites? If so, what are the prerequisites?
17. Can MED be combined with IGP metrics within AS? If so, how?
18. There are still ten minutes to cut back and limit the retreat. The cutover has not been successful. The bureau has already urged you to retreat. But you think that if you try these problems for another 5 minutes, you may solve it. What is your choice?
19. How is the QoS of the backbone network deployed? What do you think is the backbone network when there is congestion?
20. For engineering and maintenance, which one do you think is better for l3 network and l2 network?
21. What is the mechanism for processing the loop between the L3 network and the L2 network?
22. In general, how many spanning trees does the L2 switch have?
23. What is the spanning tree mode of the 3550? What is the number of spanning trees?
24. According to your experience, GE's port, when the traffic reaches the number, can you think that congestion has occurred? 2.5G POS port, when the traffic reaches the number, can you think that there is congestion?
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