(This is the official patch for Huawei's Layer 2 switch s2700 series, which solves the problem of normal communication after canceling dhcpsnooping. There are detailed instructions in it.
This document includes the following attachments:
s2710 Solve the patch that cannot cancel dhcp-snooping\Description.txt
S2710 solves the patch that cannot cancel dhcp-snooping\S27003700V100R006SPH022 Patch Installation Guide.pdf
S2710 solves the patch that cannot cancel dhcp-snooping\S2700_V100R006SPH022.pat
s2710 solves the patch that cannot cancel dhcp-snooping\s2710 version.jpg
S2710 solves the patch that cannot cancel dhcp-snooping\....)