the reason is that IP scan tool shows 2 mac instead of 1 (PC has 1 ethernet) Have no Idea what the hell is the 2nd mac :/ Such problem is actual for about 5-7 local hosts. lookup says it's Cisco mac. But we don't have Cisco devices in our office )) update: trying to setup blocking DHCP with a bridge...

what part of config ? To be sure it covers it all...everything: /export hide-sensitive file=anynameyoulike You can remove MAC addresses manually sorry for waiting # apr/14/2021 13:12:19 by RouterOS 6.48.1 # software id = 1K8I-BBUF # # model = RouterBOARD 3011UiAS /interface bridge add admin-mac=6C:...

Without a config, who can say??

what part of config ?

any other ideas and thoughts?

ok, I ll change it

config

Board RB3011UiAS version 6.48.1 (stable) CPU load 23 - 34% DHCP - about 120 hosts and bout 90 sstp clients usual NAT rules: add action=masquerade chain=srcnat comment="defconf: masquerade" ipsec-policy=out,none out-interface-list=WAN add action=masquerade chain=srcnat comment="masq. v...

looks like port flapping was causing by lagging Ethernet card on one PC. after replacing 2 days network works fine

update: no, it doesn't resolve (

update2: it was defective power supply in PC

6.48.1 doesn't solve problem in my case ( ether6 link down 10:16:03 interface,info ether7 link down 10:16:03 interface,info ether8 link down 10:16:03 interface,info ether9 link down 10:16:03 interface,info ether10 link down 10:16:05 interface,info ether8 link up (speed 100M, full duplex) 10:16:05 in...

RB3011UiAS 6.47.7 (stable) CPU ARMv7 CPU load 15 - 30 % Free HDD space 88.4 MiB the same error: ether6 link down ether7 link down ether8 link down ether9 link down ether10 link down (switch2) ports on switch1 works fine, without flapping. I have 70+ hosts on switch2 (6-10 ports). loop protection ena...

Thx! U was right. It was so simple... Well, at least now I know how to change that parameter )

Model: RB3011UiAS System health: 23.6 V, 32 C Resources: Free memory 976.0 MiB total memory 1010.8 MiB CPU ARMv7 Free HDD space 90.4 MiB Total HDD size 128.3 MiB OS ver 6.42 (stable) factory software 6.35.3 partitions: 0 - active - part0 - next (fallback to) - RouterOS v6.42 Apr/13/2018 11:03:46 Sys...