[Pool] Odd surge in traffic today

Kiss Gábor kissg at niif.hu
Sat Dec 10 12:40:06 UTC 2011


> It happened again today. This time I had tcpdump running and captured the
> traffic: http://tursas.miuku.net/tmp/ntp.tursas.2.tcpdump.gz
> 
> 13:26:19.545411 IP 27.50.2.183.http > tursas.miuku.net.ntp: NTPv2, Reserved,
> length 160
> 13:26:19.545452 IP tursas.miuku.net.ntp > 27.50.2.183.http: NTPv2, Reserved,
> length 488
> 13:26:19.545461 IP tursas.miuku.net.ntp > 27.50.2.183.http: NTPv2, Reserved,
> length 488
> 13:26:19.545466 IP tursas.miuku.net.ntp > 27.50.2.183.http: NTPv2, Reserved,
> length 488
> ...

Confirmed:

13:37:32.761089 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.781662 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.801844 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.822253 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.842353 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.862713 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.883045 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160
13:37:32.903631 IP 27.50.2.183.http > service1-eth3.debrecen.hpc.niif.hu.ntp: NTPv2, Reserved, length 160

Here is the 60 pkts/s traffic....

Gabor


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