netdev - Re: Multicast routing stops functioning after 4G multicast packets recived.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <52B30D99.5090504@candelatech.com>
Date:	Thu, 19 Dec 2013 07:15:37 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	Bob Falken <NetFestivalHaveFun@....com>, netdev@...r.kernel.org
Subject: Re: Multicast routing stops functioning after 4G multicast packets
 recived.

On 12/19/2013 07:09 AM, Hannes Frederic Sowa wrote:
> On Thu, Dec 19, 2013 at 03:48:16PM +0100, Bob Falken wrote:
>> Hello, I have an issue after kernel 2.6.37 and above.
>> If i roll back to kernel 2.6.36.4 everything is fine.
>> if recive more than 4294967295 multicast packets, the kernel does not register the multicast packets. and multicast routing does not functioning.
>> (Tested bouth FIB_HASH and FIB_TRIE)
>> Tested with xorp and pimd.
>> I have abount 24 multicast groups, and it takes me about 17hours to reproduce the issue after a reboot.
>> Reboot is reqired to fix the issue. (Tested to stop/start pimd/xorp, reload network module for the network interface "e1000e",
>> Used birdge adapter and remove bridge adapter and readd bridge adapter to clear counters. none of thouse solves the issue.)
>
> Please test this with a recent kernel. 2.6.37 is really old and you normally
> won't get good support here with such old kernels.

Note that he did test up to 3.11.9 and it still showed failures.

Thanks,
Ben

>
> Greetings,
>
>    Hannes
>
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>


-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html