Configuring VLAN Snoop

Use the Snoop tab on the VLANs dialog box to enable or disable IGMP snooping on a switch.

For information on this tab and on the IGMP snooping feature, refer to Nortel Ethernet Routing Switch 5000 Series Configuration — IP Routing Protocols (NN47200-503).

Prerequisites

Use the following procedure to open the VLAN Snoop tab:

Procedure steps


Step Action

1

From the navigation tree, double-click VLAN.

2

From the VLAN tree, double-click VLANs.

3

Select the Snoop tab.


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Variable definitions

The following table outlines the parameters of the Snoop tab.

VLAN Snoop tab parameters

Variable Value
Id Specifies the ID of the VLAN.
Name Specifies the name of the VLAN.
ReportPorxyEnable A flag to note whether IGMP Report Proxy is enabled on this VLAN.
Enable A flag to note whether IGMP Snooping is enabled on this VLAN.
Robustness Allows tuning for the expected packet loss on a subnet. If a subnet is expected to be lossy, the Robustness variable may be increased. IGMP is robust to (Robustness - 1) packet losses.
QueryInterval Specifieshe interval (in seconds) between IGMP Host-Query packets transmitted on this interface.
MRouterPorts Specifies the set of ports in this VLAN that provide connectivity to an IP Multicast router.
Ver1MRouterPorts Specifies the version 1 ports in this VLAN that provide connectivity to an IP Multicast router.
Ver2RouterPorts Specifies the version 2 ports in this VLAN that provide connectivity to an IP Multicast router.
ActiveMRouterPorts Specifies the active ports.
ActiveQuerier Specifies the IP address of multicast querier router
QuerierPort Specifies the port on which the multicast querier router was heard.
MRouterExpiration Specifies the multicast querier router aging time out