| To: | David Stevens <dlstevens@xxxxxxxxxx> |
|---|---|
| Subject: | Re: sysctl variable to force IGMP version [PATCH] |
| From: | "David S. Miller" <davem@xxxxxxxxxx> |
| Date: | Wed, 28 Jan 2004 12:00:03 -0800 |
| Cc: | netdev@xxxxxxxxxxx |
| In-reply-to: | <OF3A5A0537.DEF35E29-ON88256E28.0073EBFF@xxxxxxxxxx> |
| References: | <OF3A5A0537.DEF35E29-ON88256E28.0073EBFF@xxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Tue, 27 Jan 2004 14:13:41 -0700 David Stevens <dlstevens@xxxxxxxxxx> wrote: > Below is a patch that allows forcing of the IGMP version. The primary > use would be with an IGMP-snooping switch that doesn't grok IGMPv3 > packet formats and when there are no IGMPv2 or IGMPv1 multicast > routers on the network. By forcing the IGMP reports to version 2 (or > version 1, for really old switches), Linux would send reports that the > switch can understand for multicast forwarding to the port. Perhaps some sanity to prevent values other than 1 or 2 from being set? |
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