There is a bug in v7.9.1, When upgrading CCR2004-1G-12S+2XS from v7.8 to v7.9.1 the SFP+ mudules stops sending light on random SFP+ ports, downgrading to v7.8 fix the problem again

We have a CHR with v7.2.1 peering with our FRR route reflector, if we upgrade to any never version the peering is not working any more. But our CCR2004 with v7.4 is peering with the same FRR route reflector and working just fine. any one know what have been changed in v7.2.2 and newer version on the...

Just a Warning do not upgrade from v7.1.1 to v7.1.2 on CHR
If you have more then 1 interface type, it will change all interfaces and delete configuration.

It changed my form ether 1,2,3,4,6 so it is now: ether 4,6,1,2,3
All configuration is gone and i have to reconfigure all from backup

YES i got it working.
I was missing my ovn prefixes/ip net from my "address list" in the routing table,
so i added my prefixes/IP net with "Blockhole" roule with distance 254, to the routing table, and then it begin to announce my prefixes/IP net

After upgrading one of our CHR from v6.48.6 to v7.1.1 we have same issue "no BGP advertisement" but it advertise 5 IP we have in "static routes", but what ever we do we cant get it to advertise our 2 /22 IP net's from the "address list" we have tryed made new address li...

Warning for all RB4011 users do not install FW6.45.2 if you are using the SFP+ port, Installing the firmware makes the SFP+ adapter not seeing by the routerOS and no traffic throu SFP, downgrade to FW6.45.1 makes it work again.

I have no problem with FW6.45.2 on CHR and CCR1036

/Carsten