Traceroute gateway Telkom Speedy yang aneh
Beberapa hari ini saya merasa ada keanehan pada koneksi internet dengan memakai ISP Speedy di Tasikmalaya. Akses ke salah satu server saya di LA yang biasanya hanya 200ms, sore ini menjadi 400ms. Dan akses ke salah satu server saya di India yang biasanya 90ms, sekarang menjadi 400ms.
Ping ke server di LA
# ping 192.40.57.10
Pinging 192.40.57.10 with 32 bytes of data:
Reply from 192.40.57.10: bytes=32 time=459ms TTL=51
Reply from 192.40.57.10: bytes=32 time=464ms TTL=51
Reply from 192.40.57.10: bytes=32 time=463ms TTL=51
Reply from 192.40.57.10: bytes=32 time=471ms TTL=51
Ping statistics for 192.40.57.10:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 459ms, Maximum = 471ms, Average = 464ms
Akhirnya saya coba melakukan traceroute ke salah satu IP server di LA.
# tracert 192.40.57.10 Tracing route to 192.40.57.10 over a maximum of 30 hops 1 1 ms 1 ms 1 ms 192.168.1.1 2 351 ms 238 ms 216 ms 180.245.240.1 3 354 ms 336 ms 328 ms 180.252.2.49 4 325 ms 340 ms 347 ms 61.94.171.69 5 368 ms 341 ms 314 ms 41.subnet118-98-59.astinet.telkom.net.id [118.98 .59.41] 6 310 ms * * 42.subnet118-98-59.astinet.telkom.net.id [118.98 .59.42] 7 388 ms 371 ms 425 ms 98.190.240.180.telin.sg [180.240.190.98] 8 260 ms 279 ms 419 ms hutchcity21-10G.hkix.net [202.40.160.193] 9 414 ms 387 ms 349 ms 218.189.5.51 10 495 ms 533 ms 527 ms d1-34-224-143-118-on-nets.com [118.143.224.34] 11 479 ms 506 ms 565 ms coloat.com.any2ix.coresite.com [206.223.143.186] 12 515 ms 485 ms 507 ms 206.220.175.17 13 513 ms 516 ms 539 ms 192.252.220.122 14 558 ms 571 ms 518 ms 192.40.57.10 Trace complete.
Traceroute kedua, koneksi ke gateway lebih cepat, namun koneksi keluar masih lama.
# tracert 192.40.57.10 Tracing route to 192.40.57.10 over a maximum of 30 hops 1 1 ms 1 ms 1 ms 192.168.1.1 2 17 ms 20 ms 18 ms 180.245.240.1 3 21 ms 21 ms 22 ms 180.252.2.49 4 22 ms 23 ms 23 ms 61.94.171.69 5 49 ms 47 ms 48 ms 41.subnet118-98-59.astinet.telkom.net.id [118.98 .59.41] 6 * 37 ms 100 ms 42.subnet118-98-59.astinet.telkom.net.id [118.98 .59.42] 7 68 ms 68 ms 68 ms 82.190.240.180.telin.sg [180.240.190.82] 8 71 ms 69 ms 69 ms hutchcity21-10G.hkix.net [202.40.160.193] 9 * 69 ms 71 ms 218.189.5.51 10 * * * Request timed out. 11 233 ms 245 ms 233 ms coloat.com.any2ix.coresite.com [206.223.143.186] 12 233 ms 234 ms 242 ms 206.220.175.17 13 547 ms 474 ms 479 ms 192.252.220.122 14 513 ms 486 ms 440 ms 192.40.57.10 Trace complete.
Traceroute ketiga, koneksi ke gateway lebih cepat, dan koneksi keluar kembali normal
# tracert 192.40.57.10 Tracing route to 192.40.57.10 over a maximum of 30 hops 1 1 ms 1 ms 1 ms 192.168.1.1 2 25 ms 20 ms 40 ms 180.245.240.1 3 83 ms 23 ms 36 ms 180.252.2.49 4 40 ms 32 ms 32 ms 61.94.171.69 5 128 ms 86 ms 66 ms 41.subnet118-98-59.astinet.telkom.net.id [118.98 .59.41] 6 * * 35 ms 42.subnet118-98-59.astinet.telkom.net.id [118.98 .59.42] 7 100 ms 68 ms 68 ms 98.190.240.180.telin.sg [180.240.190.98] 8 69 ms 70 ms 69 ms hutchcity21-10G.hkix.net [202.40.160.193] 9 70 ms 69 ms 70 ms 218.189.5.51 10 233 ms 233 ms 232 ms d1-34-224-143-118-on-nets.com [118.143.224.34] 11 233 ms 233 ms 233 ms coloat.com.any2ix.coresite.com [206.223.143.186] 12 233 ms 233 ms 233 ms 206.220.175.17 13 234 ms 236 ms 233 ms 192.252.220.122 14 233 ms 233 ms 288 ms 192.40.57.10 Trace complete.
Hal ini terjadi berulang-ulang dalam waktu satu minggu ini. Koneksi ke gateway modem tidak stabil. Kadang saya merasa gateway Telkom Speedy terlalu penuh, sehingga overload, namun kadang saya merasa koneksi saya sedang diawasi.
Mungkin memang harus selalu memakai OpenVPN, walaupun untuk koneksi internet biasa.
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