3Com 4210G Series, Configuration Manual, Page: 609 / 1133

7-6
[SwitchA-GigabitEthernet1/0/1] display dhcp-snooping
DHCP Snooping is enabled.
The client binding table for all untrusted ports.
Type : D--Dynamic , S--Static
Type IP Address MAC Address Lease VLAN Interface
==== =============== ============== ============ ==== =================
D 192.168.0.1 0001-0203-0406 86335 1 GigabitEthernet1/0/1
As you see, port GigabitEthernet 1/0/1 has obtained the dynamic entries generated by DHCP snooping
after it is configured with dynamic binding function.
Troubleshooting IP Source Guard
Failed to Configure Static Binding Entries and Dynamic Binding Function
Symptom
Configuring static binding entries and dynamic binding function fails on a port.
Analysis
IP Source Guard is not supported on the port which has joined an aggregation group. Neither static
binding entries nor dynamic binding function can be configured on the port which has joined an
aggregation group.
Solution
Remove the port from the aggregation group.