Comtech EF Data ODM-840 - Manual (Page 122)

ODM/R-840 Outdoor Remote Router Revision 0
Ethernet-based Remote Product Management MN-ODM840
5–34
5.4.4.3.5.2 Configuration | Routing | IGMP
This page permits use of Internet Group Management Protocol (IGMP) with configured multicast
routes.
IGMP, when enabled, responds to IGMP queries for the configured multicast routes on the
transmit side and generates IGMP queries on the receive side. If there are no active IGMP
receivers on the LAN, it will stop forwarding the multicast traffic (received from the satellite) to
the LAN.
Figure 6‐17. Configuration | Routing | IGMP page
IGMP
Use the drop‐down menu to select IGMP as Enable.
IGMP Configuration
The acceptable/valid operating ranges are provided in this section in parentheses, where
applicable.
• Version – Use the drop‐down menu to select IGMPv1, IGMPv2, or IGMPv3.
• Last Member Query Interval (1‐25) – This is the maximum response time inserted into
group‐specific queries that are set in response to Leave Group messages, and is also amount
of time between group‐specific query messages. This value may be tuned to modify the