Pppoe connection - high latency problem



  • Hi all,

    i set up pfsense (2.0-BETA4 i386built on Fri Dec 17 02:16:21 EST 2010 ) on alix.2d3 with an 1 Mbit SDSL Connection and standard pppoe settings (trafficshaper off). Pppoe dial in seems ok, systemlogs are ok. Provider has MTU 1492 Byte.

    Now i recognized very very high ping latency when downloading a file or any other high traffic is there.

    ping to heise.de from pfsense

    64 bytes from 193.99.144.80: icmp_seq=454 ttl=249 time=1192.973 ms
    64 bytes from 193.99.144.80: icmp_seq=455 ttl=249 time=1227.227 ms
    64 bytes from 193.99.144.80: icmp_seq=456 ttl=249 time=1240.609 ms
    64 bytes from 193.99.144.80: icmp_seq=457 ttl=249 time=1253.678 ms
    64 bytes from 193.99.144.80: icmp_seq=458 ttl=249 time=1261.171 ms
    64 bytes from 193.99.144.80: icmp_seq=459 ttl=249 time=1275.141 ms

    If download stops latency is normal ~ 30 ms.

    64 bytes from 193.99.144.80: icmp_seq=2379 ttl=249 time=27.137 ms
    64 bytes from 193.99.144.80: icmp_seq=2380 ttl=249 time=27.257 ms
    64 bytes from 193.99.144.80: icmp_seq=2381 ttl=249 time=27.407 ms
    64 bytes from 193.99.144.80: icmp_seq=2382 ttl=249 time=27.215 ms

    Are there any MTU issues which caused the problem?

    Hope u can help me :(

    cya

    spiritbreaker





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