ES4710BD 10 Slots L2/L3/L4 Chassis Switch

client will be requesting the IP address in the same segment of the VLAN interface after VLAN interface forwarding, and the VLAN interface IP address is 10.16.1.2/24, therefore the IP address assigned to the client will belong to 10.16.1.0/24.

If the DHCP/BootP client wants to have an address in 10.16.2.0/24, the gateway forwarding broadcast packets of the client must belong to 10.16.2.0/24. The connectivity between the client gateway and the switch must be ensured for the client to get an IP address from the 10.16.2.0/24 address pool.

14.5DHCP Troubleshooting Help

14.5.1Monitor and Debug Commands

14.5.1.1clear ip dhcp binding

Command: clear ip dhcp binding {<address> all }

Function: Deletes the specified IP address-hardware address binding record or all IP address-hardware address binding records.

Parameters: <address> is the IP address that has a binding record in decimal format. all refers to

all IP addresses that have a binding record. Command mode: Admin Mode

Usage Guide: show ip dhcp binding” command can be used to view binding information for IP addresses and corresponding DHCP client hardware addresses. If the DHCP server is informed that a DHCP client is not using the assigned IP address for some reason before the lease period expires, the DHCP server would not remove the binding information automatically. The system administrator can use this command to delete that IP address-client hardware address binding manually, if “all” is specified, then all auto binding records will be deleted, thus all addresses in the DHCP address pool will be reallocated.

Example: Removing all IP-hardware address binding records. Switch#clear ip dhcp binding all

Related command: show ip dhcp binding

14.5.1.2clear ip dhcp conflict

Command: clear ip dhcp conflict {<address> all }

Function: Deletes an address present in the address conflict log.

Parameters: <address> is the IP address that has a conflict record; all stands for all addresses that have conflict records.

Command mode: Admin Mode

Usage Guide: show ip dhcp conflict” command can be used to check which IP addresses are

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Accton Technology ES4710BD manual Dhcp Troubleshooting Help, Monitor and Debug Commands Clear ip dhcp binding