Looking at DHCP options

- Now that we understand how DHCP works,…there are a few more things we need…to talk about in regards to DHCP.…Specifically, we need to talk about some…of the options that can be configured in DHCP…and what they mean.…The first group of options are called…BOOTP Vendor Information Extensions, or…Bootstrap Vendor Information Extensions.…These extensions are holdovers…from the earlier Bootstrap protocol…that was the predecessor to the DHCP Protocol.…The first Bootstrap extension is Subnet Mask.…

This Subnet Mask identifies the host and network parts…of an IP address.…The Bootstrap Router extension…specifies the IP address of the default gateway…for a client to use.…And the default gateway is basically…where the client goes if it doesn't…have anywhere else to go.…So in other words, if a client is looking…for a particular IP address or particular location,…and it doesn't know how to find that location,…then by default, it should go to the default gateway…which is a router that may have more information…about the destination the client is trying to reach.…