Configuring DHCP Relay DHCP Relay Implementation
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 21-10
Setting Maximum Hops
This value specifies the maximum number of relays the BOOTP/DHCP packet can go through until it
reaches its server destination. This limit keeps packets from “looping” through the network. If a UDP
packet contains a hop count equal to the hops value, DHCP Relay discards the packet. The following
syntax is used to set a maximum of four hops:
-> ip helper maximum-hops 4
The hops value represents the maximum number of relays. The default maximum hops value is set to four.
This maximum hops value applies only to DHCP Relay. All other switch services ignore this value.
Setting the Relay Forwarding Option
This value specifies if DHCP Relay must operate in a Standard or Per VLAN only forwarding mode. By
default, the forwarding option is set to standard. To change the forwarding option value, enter ip helper
followed by standard or per-vlan-only. For example:
-> ip helper standard
-> ip helper per-vlan-only
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