Release note:

GEL-2871 (Hardware version: 1)
GEL-5271 (Hardware version: 1)
GTP-2871 (Hardware version: 2)
GTP-5271 (Hardware version: 2)
IGU-1071 (Hardware version: 1)
IGU-2071 (Hardware version: 1)
IGU-2072 (Hardware version: 1)
IGU-2871 (Hardware version: 1)
IGU-2872 (Hardware version: 1)
GTP-2871DP (Hardware version: 2)
GTP-5271DP (Hardware version: 2)

F/W ver: 7.3.1

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Release version:
1. Support anti-DOS attack function
2. Support dhcp client/slaac function of SVI/routing port
3. Support ACL application on VLAN, currently only supported by CLI
4. Supports user privilege management, only supported by CLI
5. Support IPv6 server address configuration of ntp and snmp
6. Support WEB-based syslog server configuration
7. Support WEB-based IPv6 static neighbor and static routing configuration
8. Support the creation and deletion of SVI ports. SVI ports are no longer created along with VLAN
9. Support some TCP/UDP MIB nodes, please refer to the MIB documentation for details
10. Revise the problem of enabling ip dhcp snooping and the dhcp client being connected to the trust port and being mistakenly banned
11. Revise the usb information display command to support the show usb UID command
12. Revise the problem that the device did not respond to traceroute packets, resulting in incorrect traceroute results
13. Revise the problem that after saving configuration operation, directly power off and restart the device, and the save configuration operation fails
14. Optimize the problem that In the case of a loop, ARP migrates quickly on different ports and the device CPU is too high
15. Optimize the problem that when configuring a large number of VLANs (over 100), the VLAN page of the WEB refreshes and prompts a connection failure
16. Revise the problem that when the trunk port supports too many VLANs, the port lldp packets fails to be sent
17. Revise the problem that for WEB newly created VLANs, When configuring SVI, you need to do refresh action before you can select the newly created VLANs

