ADTRAN 1000R Series - Manual (Page 995)

Command Reference Guide Loopback Interface Configuration Command Set
61200510L1-35E Copyright © 2005 ADTRAN 995
Usage Examples
The following example forwards all DNS broadcast traffic to the DNS server with IP address 192.33.5.99:
(config)#ip forward-protocol udp domain
(config)#interface loopback 1
(config-loop 1)#ip helper-address 192.33.5.99