Using the DEBUG IP DHCP SERVER PACKET command, we can see what happens when a client device makes a DHCP request for an IP address:Ġ02121: *Apr 29 17:37:55.549: DHCPD: Reload workspace interface Vlan10 tableid 0.Ġ02122: *Apr 29 17:37:55.549: DHCPD: tableid for 192.0.1.254 on Vlan10 is 0Ġ02123: *Apr 29 17:37:55.549: DHCPD: client's VPN is. ![]() In IOS you can do this by using the IP HELPER command to define the address for the DHCP server within the VLAN configuration, as I show below, where 192.0.0.3 is the DHCP server: When deploying VLANs in enterprise networks, you often find that you have to provide access to a core DHCP server.
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