Re: snmptrapd and reverse DNS lookups

2015-04-28 Thread Wes Hardaker
Troy Lea writes: > But that still makes me think, how many times does snmptrapd attempt > to perform the DNS lookup? It should be once per packet, possibly twice if it's looking up both sides of the connection. (he says without diving into the code to be sure) > Is this number of lookups somet

snmptrapd and reverse DNS lookups

2015-04-01 Thread Troy Lea
I've been troubleshooting a problem for a customer for a while now where it takes about 4-5 hours for a trap received by snmptrapd to be placed into the snmptt spool folder. Today I think I've identified that DNS lookups are the cause of the delay. I've compared an strace from a test box agains