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  1. #1
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    May Handry Pratama Putra's Avatar
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    Question Koneksi singnal malam hari kok drop ya gan?????

    gan ni ane pnya pertanyaan, kok selalu drop koneksinya kl malem, padahal signal -64/-62, troughpout 14.000, tp CCQ ane 62/68, power 17, >>> smua it di sisi Station,..
    tapi kl di kasih ping 65000 (Station ke AP) kuat gan, tapi ping 65000 (AP ke Station) selalu RTO max 35000,.. selalu gt terus.... da saran Ga ???Click here to enlargeClick here to enlargeClick here to enlargeClick here to enlargeClick here to enlargeClick here to enlarge??

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    Click here to enlarge Originally Posted by May Handry Pratama Putra Click here to enlarge
    gan ni ane pnya pertanyaan, kok selalu drop koneksinya kl malem, padahal signal -64/-62, troughpout 14.000, tp CCQ ane 62/68, power 17, >>> smua it di sisi Station,..
    tapi kl di kasih ping 65000 (Station ke AP) kuat gan, tapi ping 65000 (AP ke Station) selalu RTO max 35000,.. selalu gt terus.... da saran Ga ???Click here to enlargeClick here to enlargeClick here to enlargeClick here to enlargeClick here to enlargeClick here to enlarge??
    udah di coba ganti frequency ma kecilin scanlist gan ? atau bisa di share juga perangkatnya pakek apa ? Click here to enlarge

  3. #3
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    Noeg Waskito's Avatar
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    packet size per frame data khan ga nyampai 2kb CMIIW

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    Click here to enlarge Originally Posted by Noeg Waskito Click here to enlarge
    packet size per frame data khan ga nyampai 2kb CMIIW
    JEDEERRRR.. Click here to enlarge sampai dengan batas tertentu akan dilakukan fragmentasi, lebih dari MTUnya 1 bytes, dikirim pada transaksi selanjutnya.

    kasus TS :
    kalo dari pengalaman, bisa ada kemungkinan, kalo polarisasi dan teknis lainnya udah ideal : tiap malem ada yang "lewat", kalo ini sebaiknya cari channel lain yang lebih sepi.

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    Click here to enlarge Originally Posted by tukangbajaksawah Click here to enlarge
    JEDEERRRR.. Click here to enlarge sampai dengan batas tertentu akan dilakukan fragmentasi, lebih dari MTUnya 1 bytes, dikirim pada transaksi selanjutnya.
    .
    pengiriman di transaksi selanjutnya hanya berlaku pada sambungan TCP

    untuk ICMP sepertinya nggak
    Last edited by Anto.PJ; 11-08-2013 at 03:16.

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    Click here to enlarge Originally Posted by Anto.PJ Click here to enlarge
    pengiriman di transaksi selanjutnya hanya berlaku pada sambungan TCP

    untuk ICMP sepertinya nggak
    Btw di routeros, bisa dilakukan:
    Ping <alamat> size=1530 do-not-fragment

  7. #7
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    pake radio apa gan disisi AP & station ?

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    Click here to enlarge Originally Posted by tukangbajaksawah Click here to enlarge
    Btw di routeros, bisa dilakukan:
    Ping <alamat> size=1530 do-not-fragment
    oh ya?
    Code:
    C:\>ping 8.8.8.8 -l 1000
    Pinging 8.8.8.8 with 1000 bytes of data:
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=30ms TTL=47
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=31ms TTL=47
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=30ms TTL=47
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=30ms TTL=47
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 4, Lost = 0 (0% loss)
    Approximate round trip times in milli-seconds:
        Minimum = 30ms, Maximum = 31ms, Average = 30ms
    
    C:\>ping 8.8.8.8 -l 2000
    Pinging 8.8.8.8 with 2000 bytes of data:
    Request timed out.
    Request timed out.
    Request timed out.
    Request timed out.
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)
    
    C:\>ping 8.8.8.8 -l 2000 -f
    
    Pinging 8.8.8.8 with 2000 bytes of data:
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)
    kok 100% loss ya?

  9. #9
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    Click here to enlarge Originally Posted by Anto.PJ Click here to enlarge
    oh ya?
    Code:
    C:\>ping 8.8.8.8 -l 1000
    Pinging 8.8.8.8 with 1000 bytes of data:
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=30ms TTL=47
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=31ms TTL=47
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=30ms TTL=47
    Reply from 8.8.8.8: bytes=64 (sent 1000) time=30ms TTL=47
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 4, Lost = 0 (0% loss)
    Approximate round trip times in milli-seconds:
        Minimum = 30ms, Maximum = 31ms, Average = 30ms
    
    C:\>ping 8.8.8.8 -l 2000
    Pinging 8.8.8.8 with 2000 bytes of data:
    Request timed out.
    Request timed out.
    Request timed out.
    Request timed out.
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)
    
    C:\>ping 8.8.8.8 -l 2000 -f
    
    Pinging 8.8.8.8 with 2000 bytes of data:
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)
    kok 100% loss ya?
    Kalo saya sih pingnya ke titik yang sudah tau pasti jumlah MTU yang diperbolehkan dan/atau di tengahnya gak ada apa2, konteksnya PTP kan ya Click here to enlarge ?

    CMIIW ya..

    Code:
    C:\>ping 8.8.8.8 -l 1472
    
    Pinging 8.8.8.8 with 1472 bytes of data:
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=21ms TTL=49
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=21ms TTL=49
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=21ms TTL=49
    
    Ping statistics for 8.8.8.8:
        Packets: Sent = 3, Received = 3, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 21ms, Maximum = 21ms, Average = 21ms
    Control-C
    ^C
    
    C:\>ping 8.8.8.8 -l 1472
    
    Pinging 8.8.8.8 with 1472 bytes of data:
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=22ms TTL=49
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=21ms TTL=49
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=21ms TTL=49
    Reply from 8.8.8.8: bytes=64 (sent 1472) time=23ms TTL=49
    
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 21ms, Maximum = 23ms, Average = 21ms
    
    C:\>ping 8.8.8.8 -l 1473
    
    Pinging 8.8.8.8 with 1473 bytes of data:
    Request timed out.
    Request timed out.
    Request timed out.
    Request timed out.
    
    Ping statistics for 8.8.8.8:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
    
    C:\>ping 192.168.xx.6
    
    Pinging 192.168.xx.6 with 32 bytes of data:
    Reply from 192.168.xx.6: bytes=32 time=1ms TTL=128
    Reply from 192.168.xx.6: bytes=32 time<1ms TTL=128
    Reply from 192.168.xx.6: bytes=32 time<1ms TTL=128
    Reply from 192.168.xx.6: bytes=32 time<1ms TTL=128
    
    Ping statistics for 192.168.xx.6:
        Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 0ms, Maximum = 1ms, Average = 0ms
    
    C:\>ping 192.168.xx.6 -l 2000
    
    Pinging 192.168.xx.6 with 2000 bytes of data:
    Reply from 192.168.xx.6: bytes=2000 time=1ms TTL=128
    Reply from 192.168.xx.6: bytes=2000 time=1ms TTL=128
    Reply from 192.168.xx.6: bytes=2000 time=1ms TTL=128
    Reply from 192.168.xx.6: bytes=2000 time<1ms TTL=128
    
    Ping statistics for 192.168.xx.6:
        Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
        Minimum = 0ms, Maximum = 1ms, Average = 0ms
    
    C:\>ping 192.168.xx.6 -l 2000 -f
    
    Pinging 192.168.xx.6 with 2000 bytes of data:
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    Packet needs to be fragmented but DF set.
    
    Ping statistics for 192.168.xx.6:
        Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

  10. The Following User Says Thank You to tukangbajaksawah For This Useful Post:


  11. #10
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    ini agak mencerahkan.. Click here to enlarge
    apabila paket terfragment, maka fragment dikirim di transaksi selanjutnya
    berarti jika ane ngirim paket ping sebesar 4500 bytes dengan MTU 1500 bytes both interfaces tanpa perantara, maka akan terjadi transaksi 3x.. ic..
    amin lah..

 

 

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