Advanced
ATM:
Service Category: UBR and CBR are supported from the ATM.
Bandwidth: Bandwidth setting takes effect only when the CBR is selected. The maximum available bandwidth is from the upstream data rate of ADSL status page.
Encapsulation: Bridge IGMP
IGMP relay/proxy specification and environment: Support IGMP proxy/relay function for ADSL modem, based on the following requirement and case:
■On CO side, there must be at least one IGMP querier (router) present. IGMP querier will send IGMP query packet. The ADSL modem is responsible to relay these IGMP query to Ethernet.
■
■Not necessary to relay multicast routing between two ADSL PVCs or two interfaces in LAN side.
■Special purpose multicast packet (such as RIP 2 packet) should run without interference.
Note: Before the IGMP mode is enabled; please go to the Miscellaneous Configuration page to enable the IGMP proxy. Otherwise, the IGMP selection will not be valid.
Q: Where can I download the free software to test IGMP.
A:Please go to this link http://manimac.itd.nrl.navy.mil/MGEN/.
PPP:The current release supports multiple PPP sessions per PVC. The PPP configuration in the WAN configuration page is for the first PPP session for each PVC. The predefined PPP Account Name (Account ID) is "Simple PPP Account 0" for PVC0 and predefined PPP Connection Name is "Simple PPP Session 0" for PVC0. For the other PVC X, the predefined account name and connection name will be Simple PPP Account X and Simple PPP Session X. X is the PVC number from 1 to 7.
It can support up to total of 16 PPP sessions, and each PVC can support up to 8 PPP sessions. The multiple PPP sessions may be configured with any combination over 8 PVCs. For the multiple PPP sessions, please go to PPP Configuration page (Section 6.3).
Service Name: The service name of PPP is required by some ISPs. If the ISP does not provide the Service Name, please leave it blank.
Disconnect Timeout: The Disconnect Timeout allows the user to set the specific period of time to disconnect from the ISP. The default is 0, which means never disconnect from the ISP.
DHCP Client: Use Table
MRU: Maximum Receive Unit indicates the peer of PPP connection the maximum size of the PPP information field this device can be received. The default value is 1492 and is used in the beginning of the PPP negotiation. In the normal negotiation, the peer will accept this MRU and will not send packet with information field larger than this value.
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