Draytek Vigor IPPBX 2820n, Руководство пользователя

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VigorIPPBX 2820 Series User’s Guide 201
Note: This feature is available for ISDN 2 port only.
None - Disable the backup function.
Packet Trigger - The backup line is not on until a packet from
a local host triggers the router to establish a connection.
WAN Connection
Detection Such function allows you to verify whether network
connection is alive or not through ARP Detect or Ping Detect.
Mode – Choose ARP Detect or Ping Detect for the system to
execute for WAN detection.
Ping IP – If you choose Ping Detect as detection mode, you
have to type IP address in this field for pinging.
TTL (Time to Live) – Displays value for your reference. TTL
value is set by telnet command.
PPP/MP Setup PPP Authentication – Select PAP only or PAP or CHAP for
PPP.
Idle Timeout – Set the timeout for breaking down the Internet
after passing through the time without any action. This setting
is active only when the
Active on demand option for Active
Mode is selected in WAN>> General Setup page.
IP Address
Assignment Method
(IPCP) Usually ISP dynamically assigns IP address to you each time
you connect to it and request. In some case, your ISP provides
service to always assign you the same IP address whenever
you request. In this case, you can fill in this IP address in the
Fixed IP field. Please contact your ISP before you want to use
this function.
WAN IP Alias - If you have multiple public IP addresses and
would like to utilize them on the WAN interface, please use
WAN IP Alias. You can set up to 8 public IP addresses other
than the current one you are using. Notice that this setting is
available for WAN1 only. Type the additional WAN IP
address and check the Enable box. Then click OK to exit the
dialog.