netdev - Re: [iproute2] tc action mirred question

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]

Date:	Sat, 12 Sep 2009 09:01:42 -0700 (PDT)
From:	Xiaofei Wu <xiaofei_wu08@...oo.com>
To:	hadi@...erus.ca
Cc:	linux netdev <netdev@...r.kernel.org>
Subject: Re: [iproute2] tc action mirred    question

> I think you are doing something wrong. Are there really packets
>being generated with that source address.
I made a mistake. I changed it to 'match ip src 192.168.1.0/24' . Now it works.

I can mirror the packets (A -> B) to D. Node D forwards them to C.
Sometimes the same packets through the path A-B-C, A-D-C are not lost. Node C will receive the
same packets twice. How to handle the duplicate packet on node C ?

Maybe the duplicate packets have side effects to TCP.

regards,
wu

--
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