To do this, you can use the following commands:
Show ip int vlan #
- # = the number of your VLAN
To view the current vlan configuration:
This will bring back all the information about your current VLAN, including where (if at all) your IP helper address is pointing to and should look similar to this:
To configure or change where your switch is pointing its IP helper addresses to, you can use the following command:
NOTE: These commands assume that your current IP helper address is 192.168.0.1 and you want to change it to 192.168.0.2:
- Config t
- Int vlan #
- TO REMOVE IP HELPER: no ip helper-address 192.168.0.1
- TO ADD IP HELPER: ip helper-address 192.168.0.2
- Wr mem
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