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Old 09-10-2013, 05:13 AM   #1
mitter1989
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Registered: Sep 2013
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Wink tcpdump: can't create rx ring on packet socket: Cannot allocate memory


Hi folks,

I had tried to run below mentioned command on CentOS6.0, but I failed to run.

# tcpdump -i eth0 -vv port 110
tcpdump: can't create rx ring on packet socket: Cannot allocate memory

and at the same time I tried this command which run successfully :

# tcpdump -i eth0 -vv port 22


Thanks in advance.

-MITTER
 
Old 09-11-2013, 01:33 AM   #2
unSpawn
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At first glance this looks like a problem with the kernel or libpcap (something about mmap fall back options), so start by checking if the packages in CentOS 6.4 fix things (yes, you're upgrades behind) and listing specifics like HW and exact versions of kernel, libpcap, tcpdump.
 
  


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