Atlantis Land A02-RA2 ME01 用户手册

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ADSL modem’s WAN IP) the IGMP report to ADSL WAN side, include all PVCs. The same 

case is for IGMP leave packet. 

 

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. 

 

Table 6-1. Packet Process 

Rx Entity  

Packet Class 

TTL 

Action 

Notes 

ADSL 

IGMP query 

1 

Relay to Ethernet 

 

 IGMP 

report 

1  Ignore 

 

 IGMP 

leave 

 

1  Ignore 

 

 

General Multicast IP   - 

Relay it to Ethernet. 

 

Ethernet 

IGMP query  

1 

Ignore 

 

 

IGMP report 

1 

Relay to all ADSL PVC 

 

 

IGMP leave  

1 

Relay to all ADSL PVC 

 

 

General Multicast IP   - 

Ignore 

 

 

7.  Bridge Mode Configuration:In a typical bridged configuration, the ADSL router is transparent to 
the network. It bridges the ADSL line to the Ethernet line making both side appear as a single subnet. 
In this configuration, an IP address only needs to be provided to the PC. It may still be beneficial to 
provide an IP address to the ADSL router for management.

 

Following settings are necessary when working under this mode: 

5. LAN DHCP Server: Disabled 

Please see scenario 1: Bridge Mode Configuration Table in Appendix for more detail configuration. 

8. Router Mode Configuration:In a typical routed configuration, the ADSL router is treated as a 
separate device on the network that the PC and DSLAM send packets to. The Ethernet and ADSL 
networks are configured as separate IP subnets. The PC must have the ADSL router set up as its 
default gateway. Descriptions of the protocols supported in this mode of operation are discussed in the 
next sections.

 

 

Following settings are necessary when working under this mode: