Configuring DHCP Relay Verifying the DHCP Relay Configuration
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 21-26
Verifying the DHCP Relay Configuration
To display information about the DHCP Relay and BOOTP/DHCP, use the show commands listed below.
For more information about the resulting displays from these commands, see the OmniSwitch AOS
Release 8 CLI Reference Guide. An example of the output for the show ip helper command is also given
in “Quick Steps for Setting Up DHCP Relay” on page 21-3.
show ip helper Displays the current forward delay time, the maximum number of hops,
the forwarding option (standard), and each of the DHCP server IP
addresses configured.
show ip helper statistics Displays the number of packets the DHCP Relay service has received
and transmitted, the number of packets dropped due to forward delay
and maximum hops violations, and the number of packets processed
since the last time these statistics were displayed.
show ip udp relay Displays the VLAN assignments to which the traffic received on the
UDP service ports is forwarded. Displays the current configuration for
UDP services by service name or by service port number.
show ip udp relay statistics Displays the current statistics for each UDP port relay service. These
statistics include the name of the service, the forwarding VLAN(s)
configured for that service, and the number of packets the service has
sent and received.
show dhcp-snooping vlan Displays a list of VLANs that have DHCP Snooping enabled and
whether or not MAC address verification and Option-82 data insertion
is enabled for each VLAN.
show dhcp-snooping port Displays the DHCP Snooping trust mode for the port and the number of
packets destined for the port that were dropped due to a DHCP
Snooping violation.
show dhcp-snooping binding Displays the contents of the DHCP Snooping binding table (database).
show ipv6 dhcp relay Displays all the interface on which the DHCPv6 relay is configured, the
relay destinations, and the status of the DHCPv6 relay.
Notes.
• Use the no ip helper statistics command to reset the IP helper statistics for VRF instances.
• Use the ip udp relay no statistics command to reset the generic UDP Relay Service related statistics.
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