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Chapter 6 Broadband
Table 8 Routing Mode (continued)
LABEL
Sustainable
Cell Rate
Maximum Burst
Size
PPP
Information
PPP User Name
PPP Password
PPP Auto
Connect
IDLE Timeout
PPPoE Service
Name
PPPoE
Passthrough
IP Address
Obtain an IP
Address
Automatically
Static IP
Address
IP Address
Subnet
Mask
Gateway IP
Address
Routing Feature This is available only when you select IPv4 Only or IPv6/IPv4 DualStack in the IPv6/
NAT Enable
IGMP Proxy
Enable
82
DESCRIPTION
The Sustainable Cell Rate (SCR) sets the average cell rate (long-term) that can be
transmitted. Type the SCR, which must be less than the PCR. Note that system default is 0
cells/sec.
This field is available only when you select Non Realtime VBR or Realtime VBR.
Maximum Burst Size (MBS) refers to the maximum number of cells that can be sent at the
peak rate. Type the MBS, which is less than 65535.
This field is available only when you select Non Realtime VBR or Realtime VBR.
This is available only when you select PPPoE or PPPoA in the Mode field.
Enter the user name exactly as your ISP assigned. If assigned a name in the form
user@domain where domain identifies a service name, then enter both components exactly
as given.
Enter the password associated with the user name above.
Select this option if you do not want the connection to time out.
This value specifies the time in minutes that elapses before the router automatically
disconnects from the PPPoE server.
This field is not configurable if you select PPP Auto Connect.
Enter the name of your PPPoE service here.
This field is available when you select PPPoE encapsulation.
In addition to the Device's built-in PPPoE client, you can enable PPPoE pass through to allow
up to ten hosts on the LAN to use PPPoE client software on their computers to connect to the
ISP via the Device. Each host can have a separate account and a public WAN IP address.
PPPoE pass through is an alternative to NAT for application where NAT is not appropriate.
Disable PPPoE pass through if you do not need to allow hosts on the LAN to use PPPoE client
software on their computers to connect to the ISP.
This is available only when you select IPv4 Only or IPv6/IPv4 DualStack in the IPv6/
IPv4 Mode field.
A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is not fixed;
the ISP assigns you a different one each time you connect to the Internet. Select this if you
have a dynamic IP address.
Select this option If the ISP assigned a fixed IP address.
Enter the static IP address provided by your ISP.
Enter the subnet mask provided by your ISP.
Enter the gateway IP address provided by your ISP.
IPv4 Mode field.
Select this option to activate NAT on this connection.
Internet Group Multicast Protocol (IGMP) is a network-layer protocol used to establish
membership in a Multicast group - it is not used to carry user data.
Select this option to have the Device act as an IGMP proxy on this connection. This allows
the Device to get subscribing information and maintain a joined member list for each
multicast group. It can reduce multicast traffic significantly.
VMG1312-B10B / VMG1312-B30B Series User's Guide
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