From: Wei Dong <[EMAIL PROTECTED]> Date: Thu, 25 May 2006 16:37:42 +0800
> When I test linux kernel 2.6.9-34, and find that kernel statistics > about ipInHdrErrors which exsits in file /proc/net/snmp doesn't increase > correctly. The criteria conform to RFC2011: > > ipInHdrErrors OBJECT-TYPE > SYNTAX Counter32 > MAX-ACCESS read-only > STATUS current > DESCRIPTION > "The number of input datagrams discarded due to errors in > their IP headers, including bad checksums, version number > mismatch, other format errors, time-to-live exceeded, errors > discovered in processing their IP options, etc." > > When kernel receives an IP packet containing error protocol in IP > header, kernel doesn't increase this counter "ipInHdrErrors". This event is not listed in the description you quoted. > Also, when kernel receives an IP packet and need to forward, but > TTL=1 or TTL=0, kernel just sends an ICMP packet to inform the > sender TTL count exceeded, and doesn't increase this counter. This part of your change seems correct, please just resubmit this part. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
