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NaCl
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Posts: 2
Joined: Wed Feb 21, 2024 10:51 am

Adding CRS504-4XQ-IN (bridged qsfp ports) off of another switch between existing client/NAS causing smb share issues.

Wed Feb 21, 2024 11:45 am

Greetings!

I have a CRS504-4XQ-IN w/the 4 qsfp28 ports bridged. I just want it to behave like a switch; switchos would be grand in fact but for whatever reason that's not a thing so here I am. Everything seems to be working fine (can get to the 'net, even the NAS via IP but no smb joy) _except_ that systems connected through the CRS504 can no longer "see" smb shares on a server off of the same switch the CRS504 connects to. If I remove the CRS504 from the chain everything's "happy". This should indicate it to be an issue (config or otherwise) w/the CRS504, but /shrug.

NAS w/smb shares +--------+USW-EnterpriseXG-24+-----+CRS504-4XQ-IN+-----+Win11 box(es)

I tried searching the forum...I found an old post that seemed slightly related but the only response was from someone that didn't understand the OP's question. Various other search endeavors just end up with a result set relating to issues routeros hosted smb shares; irrelevant to my issue here.

After a configuration reset with no default config box checked...upon reboot I logged in from winbox and:
0) set a password
1) New Terminal -> executed this series of commands:
/interface bridge
add name=bridge priority=0xFFFF
/interface bridge port
:for i from=1 to=4 do={add bridge=bridge interface="qsfp28-1-$i"}
:for i from=1 to=4 do={add bridge=bridge interface="qsfp28-2-$i"}
:for i from=1 to=4 do={add bridge=bridge interface="qsfp28-3-$i"}
:for i from=1 to=4 do={add bridge=bridge interface="qsfp28-4-$i"}
:for i from=1 to=4 do={/interface ethernet set "qsfp28-1-$i" mtu=9014 l2mtu=9014}
:for i from=1 to=4 do={/interface ethernet set "qsfp28-2-$i" mtu=9014 l2mtu=9014}
:for i from=1 to=4 do={/interface ethernet set "qsfp28-3-$i" mtu=9014 l2mtu=9014}
:for i from=1 to=4 do={/interface ethernet set "qsfp28-4-$i" mtu=9014 l2mtu=9014}
/ip dhcp-client
add interface=bridge
/system clock
set time-zone-name=America/Los_Angelese
/system identity
set name=CRS504-4QX-IN-000
/system ntp client
set enabled=yes
/system ntp client servers
add address=time.nist.gov

The resulting full switch config is thus:
[admin@CRS504-4QX-IN-000] > export 
# 2024-02-21 01:32:04 by RouterOS 7.13.4
# software id = T71A-NIJI
#
# model = CRS504-4XQ
# serial number = <REDACTED>
/interface bridge
add name=bridge priority=0xFFFF
/interface ethernet
set [ find default-name=qsfp28-1-1 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-1-2 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-1-3 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-1-4 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-2-1 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-2-2 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-2-3 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-2-4 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-3-1 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-3-2 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-3-3 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-3-4 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-4-1 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-4-2 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-4-3 ] l2mtu=9014 mtu=9014
set [ find default-name=qsfp28-4-4 ] l2mtu=9014 mtu=9014
/interface wireless security-profiles
set [ find default=yes ] supplicant-identity=MikroTik
/ip hotspot profile
set [ find default=yes ] html-directory=hotspot
/port
set 0 name=serial0
/interface bridge port
add bridge=bridge interface=qsfp28-1-1
add bridge=bridge interface=qsfp28-1-2
add bridge=bridge interface=qsfp28-1-3
add bridge=bridge interface=qsfp28-1-4
add bridge=bridge interface=qsfp28-2-1
add bridge=bridge interface=qsfp28-2-2
add bridge=bridge interface=qsfp28-2-3
add bridge=bridge interface=qsfp28-2-4
add bridge=bridge interface=qsfp28-3-1
add bridge=bridge interface=qsfp28-3-2
add bridge=bridge interface=qsfp28-3-3
add bridge=bridge interface=qsfp28-3-4
add bridge=bridge interface=qsfp28-4-1
add bridge=bridge interface=qsfp28-4-2
add bridge=bridge interface=qsfp28-4-3
add bridge=bridge interface=qsfp28-4-4
/ip dhcp-client
add interface=bridge
/system clock
set time-zone-name=America/Los_Angeles
/system identity
set name=CRS504-4QX-IN-000
/system note
set show-at-login=no
/system ntp client
set enabled=yes
/system ntp client servers
add address=time.nist.gov
/system routerboard settings
set enter-setup-on=delete-key
[admin@CRS504-4QX-IN-000] > 

Any assistance would be grand.
Thanks!
 
NaCl
just joined
Topic Author
Posts: 2
Joined: Wed Feb 21, 2024 10:51 am

Re: Adding CRS504-4XQ-IN (bridged qsfp ports) off of another switch between existing client/NAS causing smb share issues

Fri Feb 23, 2024 12:01 pm

For future reference, this turned out to be a dodgy transceiver in the CRS504. Seems under any sort of material load/heat it tanks. Switching it out for a different one makes all the things better.

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