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wtechlink
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CRS326-24S+2Q+ reboots itself when logging in with web GUI

Tue Mar 03, 2020 3:17 am

Hello,

I have a brand new out of the box CRS326-24S+2Q+ which I loaded up in RouterOS then made it boot into SwOS. I can ping it at 192.168.88.1 and load the browser logging in with admin no password, but then it shows a fault light on the switch and I lose pings as it reboots itself.

I serial'ed into it and swapped it back to RouterOS, upgraded with 6.46.4 and upgraded the Routerboard as well, swapped it back to SwOS and it still reboots when I try to log into it. I reset it to no avail. I just programmed a different CRS326-24S+2Q+ and it worked fine but this one is giving me trouble.

Here is what I caught in putty while serial'ed. Any help would be appreciated. Thanks!
RouterBOOT booter 6.46.4

CRS326-24S+2Q+

CPU frequency: 650 MHz
 Memory speed: 300 MHz
  Memory size:  64 MiB
 Storage size:  16 MiB

Press any key within 2 seconds to enter setup..

SwOS v2.10p

mac address: 74:4D:28:F8:59:3C
 ip address: 0.0.0.0
      board: CRS326Q-24S+2Q+
  serial nr: BF720A9A7E96

What do you want to do?
   i - board info
   r - reset configuration
   b - restore configuration
   x - reboot
   g - upgrade software
your choice:

 ip address: 192.168.88.1


FAULT!
pc=80404ADB ra=80404ACD sp=805FDDA0
v0=80522290 v1=373663A6 at=0000003D
a0=00000001 a1=80518420 a2=00007CCB a3=00000014
t0=80010000 t1=80010000 t2=6960AF2B t3=00000000
t4=0000000A t5=00000001 t6=FFFFF8E4 t7=00001611
s0=000006E4 s1=80517D40 s2=00000064 s3=00000001
s4=81410048 s5=81420168 s6=81420000 s7=56019325
t8=00000000 t9=000006D6 gp=C2E5C000 s8=81410048
Status=18008003   Cause=40008014 EntryHi=D0006000
BadVAddr=373663AA ErrorPC=C0085010
 
wtechlink
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Re: CRS326-24S+2Q+ reboots itself when logging in with web GUI

Tue Mar 03, 2020 10:08 pm

UPDATE:

So I took the SFP modules out of the switch and it started working. I added them 1 by 1 and I can have 18 SFP modules plugged in and once I plug in the 19th SFP module the switch freezes, displays the fault in putty, and I lose pings. If I pull out the SFP for any port the switch starts working. I updated to 2.11 Firmware and have the same issue.

I am using some Fiber Store 1Gb modules which are brand new and they are: SFP-GE-BX. If I pull out one of those modules and put in a Mikrotik S+RJ10 module I still can't pass the 18 modules. I have tried different modules and different ports. I tried plugging in both PSU's. Still the same limit on the number of modules that can be sat in the switch...

I had another CRS326-24S+2Q+ here and just tried it and see the same results after inserting the 19th SFP module. If I boot into RouterOS both switches will work fine, it's only an issue with SwOS.

Here is what the SFP page looks like.
https://imgur.com/a/uNy0xg8
 
EdPa
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Re: CRS326-24S+2Q+ reboots itself when logging in with web GUI

Wed Mar 04, 2020 9:11 am

Thank you for sharing the details, we managed to observe the same issue locally and look forward to improving this on upcoming SwOS versions.

Unfortunately, the only possible workaround is to boot your device into RouterOS when using most of the SFP+ interfaces.
 
wtechlink
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Re: CRS326-24S+2Q+ reboots itself when logging in with web GUI

Wed Mar 04, 2020 8:56 pm

Thank you for sharing the details, we managed to observe the same issue locally and look forward to improving this on upcoming SwOS versions.

Unfortunately, the only possible workaround is to boot your device into RouterOS when using most of the SFP+ interfaces.
Thanks for the reply EdPa, do you guys have any kind of ETA on when the fix will be ready? Days, Weeks, Months?

Thanks again for confirming I'm not crazy!
 
EdPa
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Re: CRS326-24S+2Q+ reboots itself when logging in with web GUI

Thu Mar 05, 2020 9:45 am

It is hard to say any precise ETA, a new SwOS version usually gets released once or twice a year.

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