Ars Technica

IP Helper-Address Problems

I recently split my home network into three separate VLANs. VLAN 11 (10.1.1.0 /24) is used for my "production" equipment, VLAN 12 (10.1.2.0 /24) is used for my lab equipment, and VLAN 13 (10.1.3.0 /24 ...
Ars Technica

No DHCP after enabling Cisco ACL

I'm having a problem with Cisco ACL's and DHCP. Whenever I turn on the ACL, the clients are unable to obtain DHCP IP addresses. I have a Cisco 7206 router with a T1 to a Cisco 2651 Router. The 2651 ...
Network World

DHCP puzzle: Why does the pool of IP addresses freeze?

A dynamic host-configuration protocol issue leaves wireless users unable to connect, and with no permanent fix, the solution is an ongoing workaround. Dynamic host-configuration protocol (DHCP) has a ...
Network World

DHCP defined and how it works

If Dynamic Host Configuration Protocol (DHCP) didn’t exist, network administrators would have to manually parcel out IP addresses from the available pool, which ...