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
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| Step | Action |
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| 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 |