Configuring Igmp Proxy (Nsm Procedure) - Juniper NETWORK AND SECURITY MANAGER 2010.4 - CONFIGURING SCREENOS DEVICES GUIDE REV 01 Manual
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Configuring IGMP Proxy (NSM Procedure)
Copyright © 2010, Juniper Networks, Inc.
To enable IGMP in Router mode:
In the NSM navigation tree, select Device Manager > Devices. Double-click the device
1.
object to open the device configuration.
In the device navigation tree, select Network > Interface.
2.
Double-click the interface on which you are enabling IGMP. The General Properties
3.
screen appears.
In the interface navigation tree, select Protocol.
4.
Select the IGMP tab and configure the following options:
5.
In the Type box, select Router.
Select Enable.
Click OK to save your changes to the interface.
Click OK to save your changes to the device.
6.
You can optionally change the default parameters for each interface on which IGMP is
enabled. You can also use access lists to control traffic to and from an IGMP interface.
First, create access lists that identify the following items:
Multicast groups that the hosts on a specified interface can join
Hosts from which an IGMP router interface can receive IGMP messages
Routers that are eligible for querier selection
Then, enter the access list IDs in the IGMP configuration screen of the IGMP interface(s).
The security device then filters IGMP traffic based on the access lists.
RIP Overview on page 321
BGP Overview on page 327
Multicast Route Overview on page 337
Configuring IGMP Proxy (NSM Procedure) on page 339
Configuring PIM Sparse Mode (NSM Procedure) on page 341
IGMP proxy enables a security device to extend the scope of a multicast domain by one
hop without running a multicast routing protocol. When you enable IGMP proxy on a
device, the interface connected to the hosts (downstream interface) functions as a
multicast router, and the interface connected to the upstream router functions as an
IGMP host. You must first enable IGMP in host mode on upstream interfaces, and then
enable IGMP in Router mode on downstream interfaces, and finally enable IGMP proxy
on router interfaces.
Chapter 10: Routing
339
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