Dell PowerEdge XL 5133-4 MXL 10/40GbE Switch IO Module FTOS Command Reference - Page 101
Releasing and Renewing DHCP-based IP Addresses, Viewing DHCP Statistics and Lease Information
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Releasing and Renewing DHCP-based IP Addresses On an Aggregator configured as a DHCP client, you can release a dynamically-assigned IP address without removing the DHCP client operation on the interface. You can later manually acquire a new IP address from the DHCP server as follows: Task Command Syntax Command Mode Release a dynamically-acquired IP address while retaining the DHCP client configuration on the interface. Acquire a new IP address with renewed lease time from a DHCP server. release dhcp interface type slot/port renew dhcp interface type slot/port EXEC Privilege EXEC Privilege Viewing DHCP Statistics and Lease Information To display DHCP client information, enter the following show commands: Task Display statistics about DHCP client interfaces (Figure 7-3). Clear DHCP client statistics on a specified or on all interfaces. Command Syntax show ip dhcp client statistics interface type slot/port clear ip dhcp client statistics {all | interface type slot/port} Command Mode EXEC Privilege EXEC Privilege Display lease information about the dynamic IP address show ip dhcp lease [interface type currently assigned to a DHCP client interface (Figure 7-4). slot/port] EXEC Privilege Figure 7-3. show ip dhcp client statistics FTOS# show ip dhcp client statistics interface tengigabitethernet 0/0 Interface Name Ma 0/0 Message Received DHCPOFFER 0 DHCPACK 0 DHCPNAK 0 Message Sent DHCPDISCOVER 13 DHCPREQUEST 0 DHCPDECLINE 0 DHCPRELEASE 0 DHCPREBIND 0 DHCPRENEW 0 DHCPINFORM 0 Dynamic Host Configuration Protocol (DHCP) | 87