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CCR Rx FCS Errors
Posted: Wed Jun 08, 2016 10:23 am
by j1100
I've got a site that had a RB1200 running 6.35.2 that was failing, so I replaced it with a CCR1009-8G-1S-1S+. I'm seeing Rx FCS Errors at a rate of around 1 an hour - I was not seeing this on the RB1200. The CCR is also running 6.35.2. I tried enabling flow control to see if that made any difference, but it did not appear to fix the situation. Any ideas what could be causing this?
Re: CCR Rx FCS Errors
Posted: Wed Jun 08, 2016 11:10 am
by pe1chl
The error counters on mine are still all at zero after a month of uptime.
But at that rate I would not worry about it... FCS is apparently doing what it should do.
Re: CCR Rx FCS Errors
Posted: Wed Jun 08, 2016 4:26 pm
by kristaps
You can try to use shielded cables.
Re: CCR Rx FCS Errors
Posted: Thu Jun 09, 2016 6:44 am
by j1100
You can try to use shielded cables.
I already have shielded cables at this site.
Re: CCR Rx FCS Errors
Posted: Thu Jun 09, 2016 3:00 pm
by odie
same problem here as well, 596 FCS Errors in 30 days
is not sooo much, but is not ok !!
no errors on RB1100 before
name="ether11" driver-rx-byte=5 347 481 269 413
driver-rx-packet=8 213 181 544 driver-tx-byte=2 765 326 209 750
driver-tx-packet=7 177 303 996 rx-bytes=5 380 334 039 817
rx-packet=8 213 182 141 rx-too-short=0 rx-64=285 898 590
rx-65-127=3 088 117 979 rx-128-255=1 359 824 479 rx-256-511=263 287 870
rx-512-1023=96 371 313 rx-1024-1518=918 061 523 rx-1519-max=2 201 620 387
rx-too-long=0 rx-broadcast=175 127 rx-pause=0 rx-multicast=1 472 634
rx-fcs-error=596 rx-align-error=0 rx-overflow=0 rx-length-error=0
rx-code-error=137 rx-jabber=0 rx-ip-header-checksum-error=0
rx-tcp-checksum-error=0 rx-udp-checksum-error=0
tx-bytes=2 795 559 380 866 tx-packet=7 177 303 996 tx-64=751 223 219
tx-65-127=3 403 332 415 tx-128-255=1 248 555 192 tx-256-511=308 521 507
tx-512-1023=82 338 869 tx-1024-1518=523 259 399 tx-1519-max=860 073 395
tx-broadcast=3 342 012 tx-pause=0 tx-multicast=7 615 027 tx-underrun=0
tx-excessive-collision=0 tx-multiple-collision=0 tx-single-collision=0
tx-deferred=0 tx-late-collision=0 tx-fcs-error=0 tx-carrier-sense-error=0
Re: CCR Rx FCS Errors
Posted: Thu Jun 09, 2016 3:19 pm
by pe1chl
What is at the other end? I have a CCR1009-8G-1S-1S+ connected to a HP/Procurve gigabit switch using
a couple of 1 meter CAT6 patchcords and the error counters on both sides remain at zero.
Re: CCR Rx FCS Errors
Posted: Thu Jun 09, 2016 3:31 pm
by odie
we have about 60m Cable and a SUB10 Gigbit microwave unit at the end, no errors there....