Why DHCP users go online through the S2700, but cannot access the Internet

View the author · Created Jan 17, 2022 13:28:25

hello:

When a large number of DHCP users go online through the S2700, the S2700 generates a large number of dynamic DHCP snooping binding entries. On the S2700 V1R6C00SPC800, the software provides incorrect priority settings for DHCP snooping binding entries and IP source guard and DAI ACL rules, and the ACL rules have a higher priority than DHCP snooping binding entries. As a result, the software delivers the ACL rules but not DHCP snooping binding entries. User packets cannot be forwarded because no binding entry is available. Solution: Install S2700SPH006, enable DHCP users to go online again, and reconfigure IP source guard and DAI on the physical interface from which DHCP users go online.

View the author · Created Jan 17, 2022 13:27:59

Hello, friend!
It's nice to meet you in the community.
We're working on getting the right answer for you.

View the author · Created Jan 17, 2022 13:28:25

hello:

When a large number of DHCP users go online through the S2700, the S2700 generates a large number of dynamic DHCP snooping binding entries. On the S2700 V1R6C00SPC800, the software provides incorrect priority settings for DHCP snooping binding entries and IP source guard and DAI ACL rules, and the ACL rules have a higher priority than DHCP snooping binding entries. As a result, the software delivers the ACL rules but not DHCP snooping binding entries. User packets cannot be forwarded because no binding entry is available. Solution: Install S2700SPH006, enable DHCP users to go online again, and reconfigure IP source guard and DAI on the physical interface from which DHCP users go online.

View the author · Created Jan 17, 2022 13:28:35

https://forum.huawei.com/enterprise/en/corpus-1247.html

View the author · Created Jan 24, 2022 07:12:09

Hi, friend!
If the IP address can be obtained but the Internet cannot be accessed, the suggestions are as follows:
1. Check whether the route is normal on the gateway.
2. Check whether the gateway address obtained by the terminal is normal.
3. More information is required for troubleshooting.

Why DHCP users go online through the S2700, but cannot access the Internet

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Why DHCP users go online through the S2700, but cannot access the Internet

Best answer

Third Party’s Trade Secret

`@trans`bright_future`~trans`

My Followers