1. Question: What is the DHCP assignment address order? Answer: (1) In oder to the unallocated address in the address pool from small to large. (2) The unallocated address is allocated and then back to the address that IDLE to start from small t

1. Question: How does OSPF force the default route configuration? Answer: Force the default route: default-information originate always 2. Question: Does the policy route take effect after it is called? Answer: Check the next hop configuration, s

1. Question: VRRP is configured as a DHCP address pool backup. Answer: When doing a DHCP address pool in the VRRP, please be careful to configure the same address pool on both sides and then implement backup by setting the address exclusion. 2. Que

1. Question: When the USB flash drive is upgraded, the USB flash drive cannot be recognized. Answer: U disk format FAT32 2. Question: How do I check which users are currently logged in to the switch? Answer: Use the command show User can see.

1. Question: What is the meaning of the show spanning-tree of the false and true under summary? Answer: False is a non-edge port and true is an edge port. The method of judgment is that if the switch receives bpdu, it will become false. Did not receive

1. Question: If the switch is enabled with dhcp snooping and the trusted interface is configured.The address acquisition is slow or the address is not obtained. Answer: Maybe the snooping entry of dhcp is full. If the snooping entry is full, the switch

1. Question: How to turn off the authenticity detection information of the optical module? Answer: It is not the original log prompt message to close the optical module: fiber antifake Ill 2. Question: The intranet server is mapped to the public net

1. Question: The log prompts the interface to receive the spanning tree timer timeout information? Answer: Close the interface BPDU, the log will not prompt. 2. Question: How do I download files in shell mode? Answer: run-system-shell Cd /var/

For a while, Beijing sent us a router with a 12-year licensed software version and the description is self-destruction for 12 years. Let's look at this case: 2901(config)# do sh lice all Evaluation total period: 608 weeks 2 days Evaluation perio