I have 2 RB250 switches set up as ascii illustrated below:
[ RB450G ]---trunk----[ Cisco SW ]----trunk----[ RB250-1 ]---trunk---[ RB250-2 ]---[ devices ]
I have the RB450G set to netwatch the Cisco and the 2 RB250's as well as a device connected to the last RB250.
The netwatch is every 10 seconds and 100ms timeout. Ping times are under 10ms.
RB250-2 has constant netwatch failures. It is random, but lasts for sometimes a minute or more.
I can manage the RB250's using the web interface.
The devices connected to RB250-2 never have a netwatch failure.
None of the other switches in the chain have a netwatch down event when the RB250 does.
Any ideas?