User Manual

Chapter 4 - Operation and Administration Using the CLI NPU Configuration
4Motion 252 System Manual
4.3.10.2 Configuring the IGMP Functionality
The NPU serves as the IGMP proxy server between a group of MSs and the
multicast router. In addition, it serves as a router for all MSs that are connected
to it. It receives periodic IGMP reports for all MSs that are members of a multicast
group. Based on these reports, the NPU maintains a database of members. Each
time there is a change in the membership database, because of a member leaving
or joining the group, the NPU sends a report to the multicast router. The NPU also
Privilege
Level
1
Syntax
Description
Parameter Description Presence Default
Value
Possible
Values
[<nw-id>] Denotes the network ID (s) for
which you want to view the
next-hop IP addresses
already mapped to it.
Specify a value for this
parameter if you want to view
the next-hop IP address(es)
defined for a specific network
ID. If you do not specify any
value for this parameter, all
the existing entries for
mappings of network IDs-
next-hop IP addresses are
displayed.
Optional N/A 6-byte ID
Display
Format
nw-id next-hop-ip address
<Network ID 1> <Ip Address>
<Network ID 2> <Ip Address>
Command
Modes
Global command mode
IMPORTANT
The IGMP functionality is not supported in the current release.