Everyday Ten Ask certcollection vce

1. Question: The interface is turned on authentication and it can see the mac address learned on the interface by showing mac before authentication. If the interface's device is authenticated , dose show mac can't see the device?

Answer: This can be resolved by the following command: show dot su
2. Question: Turn off mac address learning on SVI interface
Answer: The mac address learning function cannot be turned off on the SVI interface, the physical port and the global can be turned off.
3. Question: Do i find two mac addresses for the switch?
Answer: The switch has two mac addresses, one is two-tier, the third-tier mac is two-tier mac plus 1 show menber sees the second floor.
4. Question: How do I view my device's mac table usage statistics?
Answer: Use the command: show mac count
5. Question: Will vrrp's virtual gateway mac change?
Answer: There will be no change in the same vrrp group, 00-00-5e-00-01-XX to indicate that the next two bits of XX are represented by the 16-bit corresponding to the group number of the vrrp group. For example: vrrp group number is 23, then its corresponding mac address should be 00-00-5e-00-01-17
6. Question: How to see which access switch is connected under the mac address of ap on the switch?
Answer: At this point, the lookup must be the ap normal power, normal operation, and then according to the known ap mac address-1 and look on the switch. The mac viewed on the ap and the mac on the switch view -1 and the mac on the ac view of the mac and 1 s the mac viewed on the switch.
7. Question: Ping test found that the packet was lost but it also regularly dropped the bag.
Answer: It can be said that the cPP protection mechanism bandwidth settingist is increased to confirm whether it is caused by the CPP protection mechanism of the drop package.
8. Question: How do I clear the packet information of the CPP?
Answer: Restart your device or use the clear cpu-protect counter.
9. Question: How is the mtu value modified under the two-tier port?
Answer: Go directly to the interface to modify it.
10. Question: How does the switch configure jumbo frames?
Answer: Switch configuration jumbo frameis is the interface to configure mtu to the maximum.
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