*) fixed problem - RB450G ethernet did not work if one of the ports was disabled;
*) fixed ethernet of RB433 with switch chip IP175D;
*) fixed route attribute problem;
*) fixed route next-hops falling under multiple connected routes;
It seems that not all the issues of RB450G ethernet switch have been fixed.
I've purchased RB450G model with MikroTik OS 4.1 installed on it. I have performed the basic setup of the system, including the following commands:
/interface ethernet> switch all-port-switch=no
/interface ethernet> set ether3 master-port=ether2
/interface ethernet> set ether4 master-port=ether2
/interface ethernet> set ether5 master-port=ether2
After these commands input I have restarted the router. As the result, the connection with the router has been lost. The router has been restarting on his own for 3-4 times around, after what the connection was re-established and the router has been working fine during a week.
In a week I needed to turn it off for a while (circa 5 minutes). When I turned it on again, the connection was lost and it was restarting for several times, after what the connection has been re-established again. The router continued to work fine.
I didn't like that thing and I asked the seller to change the router I had bought. He confirmed that there is an issue with the router and gave me another one. On the new router the Mikrotik OS 4.2 was installed. When I migrated the settings from my previous router to the new one (using the attached "MikroTik-04112009-1100.zip" archive, containing the settings backup file), the situation became even worse. Please, refer to the "MikroTik errors 04.11.2009.doc" attached document for the complete list of Mikrotik errors I have observed on the new router.
I downgraded the Mikrotik OS to the 3.30 version. All the issues have been gone. The router has been working perfectly since then and no problems have been observed.
In my opinion, the issue with the MikroTik 4.1 and 4.2 versions is related to the four commands I have indicated at the beggining of my message.
Thank you in advance.
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X86 (Intel 566 MHz Slot1), RB450G, RB493G, hAP ac lite, hAP ac^2, hAP ac, wAP ac.