Dell PowerConnect M6220 User's Guide - Page 504

The IP Helper Global Configuration page contains the following fields: • UDP Relay Mode - Use the menu to enable or disable the UDP relay mode. You must enable the UDP Relay Mode to relay any other protocols for which an IP helper address has been configured. By default UDP Relay Mode is Enabled. • UDP Destination Port - Identifies destination UDP port number of UDP packets to be relayed. Table 9-1 lists UDP Port allocations. Table 9-1. UDP Port Allocations UDP Port Number 7 11 15 17 19 20 21 37 42 43 53 69 111 123 137 138 139 Acronym Echo SysStat NetStat Quote CHARGEN FTP-data FTP Time NAMESERVER NICNAME DOMAIN TFTP SUNRPC NTP NetBiosNameService NetBiosDatagramService NetBios 161 SNMP 162 SNMP-trap 513 who 514 syslog 525 timed Application Echo Active User NetStat Quote of the day Character Generator FTP Data FTP Time Host Name Server Who is Domain Name Server Trivial File Transfer Sun Microsystems Rpc Network Time NT Server to Station Connections NT Server to Station Connections SessionServiceNT Server to Station Connections Simple Network Management Simple Network Management Traps Unix Rwho Daemon System Log Time Daemon 502 Configuring Routing