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[ScreenOS] IGMPv3 report or IGMP query messages with source IP of 0.0.0.0 are not supported

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Article ID: KB30533 KB Last Updated: 27 Aug 2015Version: 1.0
Summary:

IGMPv3 report or IGMP query messages with source IP of 0.0.0.0 are not supported.

Symptoms:

RFC 3376 says that an IGMP report with a 0.0.0.0 source can be used by the system that is yet to acquire an IP address and it must be accepted by the router receiving it.

RFC 4541 also mentions a special case where the switch does IGMP query proxying and sends a query with a source IP address of 0.0.0.0. It further states that such query messages must not be rejected because of the source IP address of 0.0.0.0.

Solution:

This feature is not supported on ScreenOS firewalls. If a firewall receives any packet with a source IP address of 0.0.0.0, the firewall will drop it as:

packet dropped, illegal src IP

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