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DHCP Relay Specifications Configuring DHCP Relay
page 18-2 OmniSwitch 6600 Family Network Configuration Guide April 2006
DHCP Relay Specifications
The following table lists specifications for the DHCP Relay.
RFCs Supported 0951–Bootstrap Protocol
1534–Interoperation Between DHCP and BOOTP
1541–Dynamic Host Configuration Protocol
1542–Clarifications and Extensions for the Bootstrap Protocol
2132–DHCP Options and BOOTP Vendor Extensions
3046–DHCP Relay Agent Information Option, 2001
DHCP Relay Implementation Global DHCP
Per-VLAN DHCP
AVLAN DHCP
DHCP Relay Service BOOTP/DHCP (Bootstrap Protocol/Dynamic Host Configuration
Protocol)
UDP Port Numbers 67 for Request
68 for Response
IP address allocation
mechanisms
Automatic–DHCP assigns a permanent IP address to a host.
Dynamic–DHCP assigns an IP address to a host for a limited period of
time (or until the host explicitly relinquishes the address).
Manual–The network administrator assigns a host’s IP address and the
DHCP conveys the address assigned by the host.
IP addresses supported for each
Relay Service.
Maximum of 256 IP addresses for each Relay Service.
IP addresses supported for the
Per-VLAN service
Maximum of 8 IP addresses for each VLAN relay service.
Maximum of 256 VLAN relay services.
Maximum number of DHCP
Snooping VLANs
64