Hello everybody,
we installed many and many of these RB’s over the last year and we now started to set the network up.
In every site there is a RB1100AH or RB1100Hx2 and each ethernet port from 2 to 11 is plugged an RB711GA-5HnD or RB912UAG-5HPnD. Other ports are used as well, but with other control hardware.
I found on ALMOST ALL RB1100 big problems ONLY on ether11: 100M link instead of 1G, link instability, TX/RX collisions drops errors and others unknown numbers (couldn’t find detailed explanaitions in manuals) in TX STATS and RX STATS. Funnily enough on ether2 to ether10 those winbox boxes are empty, probably due of the different chip managing the ports.
I suspect something hardware, like the relays acting as bypass between ether11 and ether12…could a relay manage such bandwidth/frequency? It’s only my guess I’m not an engineer and don’t wanna think about sending all those RB’s back and replacing with something different…
SW ver is 6.7 for all; cable lenght/type/connectors/POE’s/grounding etc etc etc etc are the same for all links !!
Please someone help me before commiting suicide eheh 
Have a nice day!
Hello,
Seems that the RB1100AH and RB1100Hx2 registers Ethernet RX errors statistics only on interface ether11.
The fact that the RX error statistics on interfaces ether1 through ether10 are zeroes, does not mean there are no errors.
For example on the RB912UAG-5HPnD connected to ether4 of the RB1100AH, there are rx-carrier-error and rx-drop. On the RB100AH side, the RX errors are all zeroes.
interface ethernet print stats detail
name: ether1
driver-rx-byte: 7 337 612 244
driver-rx-packet: 23 981 171
driver-tx-byte: 143 023 470
driver-tx-packet: 1 633 630
rx-bytes: 7 433 347 467
rx-packet: 23 981 915
rx-too-short: 0
rx-too-long: 21
rx-broadcast: 685 480
rx-pause: 0
rx-multicast: 5 421 074
rx-fcs-error: 0
rx-align-error: 0
rx-fragment: 0
rx-control: 0
rx-unknown-op: 0
rx-length-error: 2
rx-code-error: 0
rx-carrier-error: 692
rx-jabber: 0
rx-drop: 693
tx-bytes: 155 813 654
tx-packet: 1 633 658
tx-too-short: 0
tx-too-long: 0
tx-broadcast: 120 621
tx-pause: 0
tx-multicast: 120 612
tx-excessive-collision: 0
tx-multiple-collision: 0
tx-single-collision: 0
tx-excessive-deferred: 0
tx-deferred: 0
tx-late-collision: 0
tx-total-collision: 0
tx-drop: 0
tx-jabber: 0
tx-fcs-error: 0
tx-control: 0
tx-fragment: 0
tx-rx-64: 1 031 274
tx-rx-65-127: 18 110 632
tx-rx-128-255: 1 508 762
tx-rx-256-511: 923 647
tx-rx-512-1023: 471 567
tx-rx-1024-1518: 3 507 343
tx-rx-1519-max: 62 311
The issue is to know if the RB1100AH registers the errors on hardware or it is a software issue that is not recorded on the counters.
Can someone from mikrotik give some thoughts?