2.1 Transport

All DHCP attributes are transported within DHCP, which is transported over the UDP protocol, as specified in [RFC2131] section 4.1 for DHCPv4 and [RFC3315] section 5.2 for DHCPv6.

Parameter

Value

Reference

DHCPv4 server listens for DHCPv4 messages on UDP port.

0x0043

[RFC2131]

DHCPv4 client listens for DHCPv4 messages on UDP port.

0x0044

[RFC2131]

DHCPv6 server listens for DHCPv6 messages on UDP port.

0x0223

[RFC3315] section 5.2

DHCPv6 clients listen for DHCPv6 messages on UDP port.

0x0222

[RFC3315] section 5.2