Chapter 4 WAN
PMG5318-B20A User’s Guide
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Multicast and IGMP
Traditionally, IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient)
or Broadcast (1 sender - everybody on the network). Multicast delivers IP packets to a group of
hosts on the network - not everybody and not just 1.
IGMP (Internet Group Management Protocol) is a network-layer protocol used to establish
membership in a Multicast group - it is not used to carry user data.
4.2 Internet Access Setup Status
Use this screen to view your GPON Device’s WAN settings. Click Network > WAN. Your GPON
Device’s number and names of default WAN interfaces may vary from this example.
Figure 9 Internet Access Setup Status
The following table describes the labels in this screen.
4.3 Internet Access Setup
Use these screens to configure your GPON Device’s WAN interfaces. Click Modify or Add in the
Network > WAN > Internet Access Setup status screen.
Table 4 Internet Access Setup Status
LABEL DESCRIPTION
Interface This shows the name of the interface used by this connection.
Description This is the service description for traffic using this connection.
Type This shows the method of encapsulation used by this connection.
Service Type This is the service type for traffic using this connection.
Vlan ID This shows the VLAN ID assigned to traffic for this connection. This is assigned by the OLT.
Vlan 802.1p This displays the 802.1P priority level assigned to traffic sent through this connection.
ICMP This shows whether the WAN interface will respond to ICMP packets.
NAT This shows whether NAT is activated or not for this interface. NAT is not available when the
connection uses the bridging service.
Modify Click the Edit icon to configure the WAN connection.
Click the Remove icon to delete the WAN connection.
Add Click this to create a new WAN connection.
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