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Telindus 1031 Router
Chapter 11
Reference manual
277
telindus1031/router/igmpTable
This attribute shows the multicast address, reported by one or more clients. The
igmpTable
is always
updated, even if no proxy is configured.
The
igmpTable
contains the following elements:
What is IGMP?
Internet Group Management Protocol (IGMP) is defined in RFC1112 as the standard for IP multicasting
in the Internet.
It is used to establish host memberships in particular multicast groups on a single network. The mecha-
nisms of the protocol allow a host to inform its local router, using Host Membership Reports, that it wants
to receive messages addressed to a specific multicast group.
All hosts conforming to level 2 of the IP multicasting specification require IGMP.
IGMP topology
Consider the following multicasting topology:
In this topology …
• Client 1 and Client 2 are multicast clients.
• Router 1, 2 and 3 are multicast enabled routers.
• Server 1 is a multicast server.
• Switch is a Frame Relay or ATM switch.
Element
Description
multicast
This is the multicast address.
interface
This is the interface name of the client(s). In case of multiple interface names, they
are separated from each other by a comma.
Server 1
igmp =
proxy
igmp =
router
igmp =
router
Router 1
Switch
igmp =
proxy
igmp =
router
Router 3
LAN 2
LAN 1
Client 1 or
Server 2
Client 2
igmp =
proxy
igmp =
router
Router 2
Summary of Contents for 1031
Page 11: ...Telindus 1031 Router User manual 1 User manual ...
Page 12: ...Telindus 1031 Router User manual 2 ...
Page 80: ...Telindus 1031 Router Chapter 5 User manual Basic configuration 70 ...
Page 168: ...Telindus 1031 Router Chapter 8 User manual Configuring the bridge 158 ...
Page 179: ...Telindus 1031 Router Reference manual 169 Reference manual ...
Page 180: ...Telindus 1031 Router Reference manual 170 ...
Page 308: ...Telindus 1031 Router Chapter 11 Reference manual Status attributes 298 ...
Page 336: ...Telindus 1031 Router Chapter 12 Reference manual Performance attributes 326 ...
Page 348: ...Telindus 1031 Router Chapter 13 Reference manual Alarm attributes 338 ...
Page 362: ...Telindus 1031 Router Chapter 15 Reference manual Auto installing the Telindus 1031 Router 352 ...
Page 370: ...Telindus 1031 Router Chapter 16 Reference manual Downloading software 360 ...
Page 380: ...Telindus 1031 Router Chapter 17 Reference manual Technical specifications 370 ...
Page 381: ...Telindus 1031 Router Annex 371 Annex ...
Page 382: ...Telindus 1031 Router Annex 372 ...
Page 384: ...Telindus 1031 Router Annex A Annex common TCP and UDP numbers 374 ...
Page 386: ...Telindus 1031 Router Annex B Annex product information 376 ...