Vendor Class Identifier Dhcp
Since there are an increasing number of network attached devices, trying to keep them organized gets to be challenging. Since different devices might require different IP configuration settings and statically configuring them isn’t realistic, there are several approaches to deal with this.One of the most popular is to create a VLAN just for those devices, the most common example is the typical Voice VLAN where your VOIP sets are in its own VLAN, with its own DHCP scope and possible a specific quality of service configuration.Presently there are all sorts of devices that you might want to define its own DHCP range, examples would be printers, webcams, various tablets or access points. I’ve also worked on a few issues where the vendor changed the DHCP Vendor Class Identifier (VCI) with a firmware upgrade, so this is a good technique to learn.While working with a client, this topic came up and we needed to determine the device’s DHCP Vendor Class Identifier (VCI) or option 60. For those of you familiar with option 60, this paper will not cover the specific mechanics of this protocol, other related options (like 43) but to simply help you identify what value 60 your device is using.
A DHCPv4 client sends vendor information in all DHCPv4 packets that it sends to the DHCPv4 server to indicate the vendor or the version of the operating system running on the client. This information is sent in the form of a Vendor Class Identifier Option, as specified in section 9.13.
Dhcp Vendor Class Identifier List
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