IPv4 Multicast Protocols
Syntax: clear ip igmp [ vrf vrf-name] traffic
This command clears all the multicast traffic information on all interfaces on the device.
Use the vrf option to clear the traffic information for a VRF instance specified by the
T
Displaying IGMP settings
To display global IGMP settings or IGMP settings for a specified VRF. To display global IGMP settings, enter the following command.
Brocade#show ip igmp settings |
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IGMP Global Configuration | : | 125s | Configured Interval | : | 125 |
Query Interval | |||||
Max Response Time | : | 10s |
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Group Membership Time | : | 260s | Configured Version | : | 0 |
Operating Version | : | 2 | |||
Robustness Variable | : | 2 |
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Router Alert Check | : | Enabled | Last Member Query Count: | 2 | |
Last Member Query Interval: | 1 | ||||
Older Host Present Timer | : | 260 |
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Maximum Group Address | : | 4096 |
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Syntax: show ip igmp [vrf vrf-name ] settings
The vrf parameter specifies that you want to display IGMP settings information for the VRF specified by the
The report shows the following information:
TABLE 25 Output of show ip igmp settings
This field | Displays |
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Query Interval | How often the router will query an interface for group membership. |
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Configured Query | The query interval that has been configured for the router. |
Interval |
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Max Response Time | The length of time in seconds that the router will wait for an IGMP (V1 or V2) response |
| from an interface before concluding that the group member on that interface is down and |
| removing it from the group. |
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Group Membership | The length of time in seconds that a group will remain active on an interface in the |
Time | absence of a group report. |
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Configured Version | The IGMP version configured on the router. |
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Operating Version | The IGMP version operating on the router. |
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Robustness Variable | The Robustness Variable allows tuning for the expected packet loss on a network. If a |
| network is expected to be lossy, the Robustness Variable may be increased. IGMP is |
| robust to (Robustness Variable |
| zero, and should not be one. Default: 2 |
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Router Alert Check | IGMP (v2/v3) messages have a |
| validated by the router and it drops the packets without the |
| check is disabled, IGMP messages without the |
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FastIron Ethernet Switch IP Multicast Configuration Guide | 157 |
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