![]() ![]() ![]() Since i am not changing the last 3 bytes, they are guaranteed to be unique:įlags: D - dynamic, X - disabled, R - running, S - slave ![]() Since we are using locally administered macs, nothing is stopping us from changing them. THEN, when I add more virtuals, I change bytes 2+3. ěUT - The last 3 bytes should always be unique – so i NEVER change those, Since we are setting bit1 of the 1st byte of the MAC, for ”Locally administered”, we are free to change it. So if you have 2-3 routers that have been purchased together, their MAC address are very close, so creating 4-5 Virtual adapters on each will cause them to overlap. In my case it was caused by MAC conflicts caused by Virtual WLAN interfaces, that are created sequentially. We have one switch running SwitchOS 1.17. Any ideas as to what might cause this problem?Īll MikroTik devices at this site are running RouterOS 6.38.1. We have over 90 sites with MikroTik wireless backhauls, and we're only having this problem at one site. We replaced the access point on the tower, and the problem persists. I was able to recreate the problem by then letting two different stations connect to the tower access point individually. I brought up one station with no problem. We tried blocking all the remote stations with an access list and brought them back up one by one to see if we could determine where the problem was occurring. We physically inspected throughout the site for cabling problems that could cause a spanning tree loop, and checked for loops in our wireless connections and found none. A total of four station bridges connect to the tower. WLAN1 is configured as a station bridge, and it connects to a tower that is an AP bridge. probably loop." The router that is logging the error is the first wireless client in the chain of hops, so it's the closest one to our gateway router. We're having a problem on the LAN at one of our sites in which we're getting an error that says "WLAN1: bridge port received packet with own address as source address. ![]()
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