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1 igmp i – Comtech EF Data CIM-300L User Manual

Page 179

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CiM-300L IP Enabled Satellite Modem

Rev. 1

CLI & Telnet

CD/CIM300L.IOM

153

9.1.3.1 IGMP I

NFORMATION

P

AGE

The page IGMP information page is activated from the Protocol Configuration page.
The IGMP Information page allows a user to view the IGMP clients that are actively
listening to content being provided by the CiM. It also allows the user to determine how
the Ethernet Interface is configured either to receive requests to join IGMP groups or
announce groups for others to join.

The IGMP Information page contains the following options/fields:

Menu Options/Fields

Entry Description

IGMP

Read

Only

Read only showing IGMP status (Enabled or Disabled).

View IGMP Table

V

This table reports the content that clients have
subscribed to the CiM using the IGMP protocol. This
allows an operator to determine which services are
being used and the minimum time before a service will
be terminated.

CiM as Server:
IGMP query period

Q

The IGMP protocol requests that a server periodically
publish to users on the LAN the Multicast IP Addresses
that it can service. The IGMP query period defines the
time interval (in seconds) between each of these
queries for membership.

CiM as Server:
IGMP max. response time

R

The IGMP max response time defines the time interval
(in seconds) that the CiM should wait before it
assumes that no parties are interested in the content
published via an IGMP query. This option is expressed
seconds, and the max response time that is accepted
by the CiM is 25 seconds.