Billion BiPAC 8500/8520 User Manual page 55

Provider (ISP) automatically or not. Please click Obtain an IP address automatically via
DHCP client to enable the DHCP client function or click Specify an IP address to disable
the DHCP client function, and specify the IP address manually. The setting of this item is
specified by your ISP.
• Authentication Protocol Type: Default is Chap (Auto). Your ISP will advise you
whether to use Chap or Pap.
• Connection:
o Always on: If you want the router to establish a PPPoA session when starting up
and to automatically re-establish the PPPoA session when disconnected by the
ISP.
o Connect to Demand: If you want to establish a PPPoA session only when there
is a packet requesting to access the Internet (i.e. when a program on your
computer attempts to access the Internet).
• Idle Timeout: Auto-disconnect the broadband firewall gateway when there is no activity
on the line for a predetermined period of time.
o Detail: You can define the destination port and packet type (TCP/UDP) without
being checked by the timer. It allows you to set which outgoing traffic will not
trigger and reset the idle timer.
• RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.
• MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-
specific headers) that IP will attempt to send through the interface.
• TCP MSS Clamp: This option helps to auto detect the optimal MTU size. Default is
enabled.
Chapter 4: Configuration
Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
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