To view and clear DHCP leases or prefixes assigned to a routing instance

Purpose

Depending on the device being queried, you can view DHCPv4 or DHCPv6 leases or prefixes, or both types may be supported by the device.

Steps
 
1 

In the navigation tree routing view, expand Network→NE→Routing Instance.

2 

Right-click on the routing instance icon and choose Properties. The Routing Instance (Edit) form opens.

3 

Click on the Local DHCP Servers tab, then the appropriate DHCPv4 or DHCPv6 sub-tab. The list of associate DHCP servers is displayed.

4 

Choose a DHCP server and click Properties. The Local DHCP Server (Edit) form opens.

5 

Perform one of the following:

  1. View DHCPv4 leases or prefixes.

    Perform the following steps:

    1. Click on the Leases tabs.

    2. Click Search on the General tab to refresh the data.

    3. Choose a lease and click Properties. The Local DHCP Server Leases form opens.

    4. View the lease information on the form.

  2. View DHCPv6 leases or prefixes.

    Perform the following steps:

    1. Click Show Leases. The Local DHCPv6 Server Show Leases form opens.

    2. To view all active leases on the server, click OK.

    3. To view the lease information for a specific prefix, enter an IP address in the Prefix parameter and click OK.

    4. To view the detailed lease information for a specific prefix, enter the IP address in the Prefix parameter, select the Detail check box, and click OK. The form displays the CLI details for the specific prefix.

  3. Clear DHCPv4 leases.

    Perform the following steps:

    1. Click on the Leases tab.

    2. Click on the Regular tab to clear DHCP leases.

    3. Click Search to refresh the data.

    4. Select the DHCP lease you want to clear and click Clear DHCP Lease.

      If you want to clear all of the leases on the local DHCPv4 server, click Clear All DHCP Leases.

    5. Click on the Sticky tab to clear sticky leases.

    6. Select the sticky lease you want to clear and click Clear Sticky Lease.

    7. If you want to clear all sticky leases with a specific host name prefix, click Clear Sticky Lease With Host Name Prefix.

      Specify a host name prefix and click Ok.

    8. Click on the Clear Status tab to check the progress/success of the lease clear command.

6 

Save your changes and close the form.

End of steps