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Forum Discussion
Atrocious packetloss on CAX30
i'm having terrible packetloss on ALL devices. restarted modem, factory reset modem and still nothing. has been like that for a week. isp was useless saying it is my fault but the modem is ok. I ...
justin579 wrote:
i'm having terrible packetloss on ALL devices. restarted modem, factory reset modem and still nothing. has been like that for a week. isp was useless saying it is my fault but the modem is ok.
Don't know the relation between a traceroute to an overseas site, and where you suspect terrible packet loss. Here an ad-hoc check originating from Switzerland - where two hops seem to add latency (from Paris to Virginia US, addign about 80 ms total ~100 ms) and then through the US (from Virginia to LA, adding about 50 ms, total ~150 ms) and last but not least from California to Japan (LA to Tokyo, plus 100 ms or more, total ~250 ms):
9 8 ms 8 ms 8 ms i00mil-015-ae0x40.bb.ip-plus.net [138.187.130.31]
10 9 ms 9 ms 9 ms 193.134.95.251
11 9 ms 10 ms 9 ms ae-1.r20.mlanit02.it.bb.gin.ntt.net [129.250.3.84]
12 19 ms 22 ms 19 ms ae-10.r21.parsfr04.fr.bb.gin.ntt.net [129.250.4.188]
13 97 ms 100 ms 98 ms ae-13.r24.asbnva02.us.bb.gin.ntt.net [129.250.6.6] <<< F <-> VA, +80 ms
14 97 ms 96 ms 96 ms ae-0.r25.asbnva02.us.bb.gin.ntt.net [129.250.2.36]
15 149 ms 149 ms * ae-2.r25.lsanca07.us.bb.gin.ntt.net [129.250.3.189] <<< VA <-> CA, + 50 ms
16 263 ms 280 ms 260 ms ae-12.r31.tokyjp05.jp.bb.gin.ntt.net [129.250.3.192] <<< CA <-> JP, +100 ms or more
17 249 ms 248 ms 249 ms ae-3.r00.tokyjp08.jp.bb.gin.ntt.net [129.250.6.129]
18 250 ms 249 ms 249 ms ce-0-8-0-1.r00.tokyjp08.jp.ce.gin.ntt.net [203.105.72.158]
19 * * * ...
20 251 ms 252 ms 251 ms 158.205.95.54
21 * * * ...
22 252 ms 251 ms 252 ms 210.140.92.180
Friendly reminder: ISP and carrirer backhaul routers have more important jobs to do than handle IGMP.
justin579 wrote:
I unplugged everything from the modem besides my computer and nothing changed.
There might be something wrong. But then, the ISP says the modem is OK ... and that's the CAX30, isn't it?
justin579 wrote:
My speed tests should be gigabit but are abominable even though actually downloading stuff seems fine.
Probably Gigabit on the downstream, indeed one could expect higher numbers.
The amount of correctable, and much more the uncorrectables on the RF link (the cable modem part) are just ridiculous.