21 of 36 Copyright Accelerated Concepts, Inc. © 2013NetBridge Users GuideDHCP Prefix – the unit will use this to determine the netmask sent in a DHCPtransaction. It also uses this to setup routing to the client boxes. Default: 24DHCP Range Start – Specify the starting IP address to be given a client.Gateway IP – the IP address to be used by the unit as its own and set the DHCP option'router' to this value.Secondary Gateway IP –The gateway IP will have a second default IP in the same subnetas the wanIPv4 address, except it's xxx.xxx.xxx.1 (Disabled by default).TCP/IP Maximum Transmission Unit -‐ TCP/IP maximum transmission unit. If specified,all interfaces will be configured to use the specified value; otherwise they will use theirrespective default settings.DNS OptionsDynamic DNS Update URL – Most Dynamic DNS services can be updated simply byfetching a resource at a URL. You can request the NetBridge to get the page at this URLevery time it connects to the network.DNS List – enter the list of DNS servers to be used for name resolution.Modem ManagementRadio Access Technology – this option allows you to force the WWAN link to use aspecific network type on Sierra Wireless 885/8888 modems (currently ignored for othermodems).Syslog OptionsSyslog Address – specify the IP address or name of the Syslog collector.Log Level -‐ the unit sends syslog information for diagnosing trouble. Currently, the onlygated messages are ping statistics from the link checker. Set to >= 5 to see pingstatistics. Default: noneSyslog Addresses List – you may specify multiple IPs or domain names for where theunit is to send it’s syslogs (at least two values must be specified). If one is unreachable,the unit will try the next in the list. Commas must separate list of values. This overridesthe value set in the 'log' option.