Strange problem setting up 450G

Hardware MikroTik hardware general
1

This is my first attempt at MikroTik products. I have a 450G that is mainly going to act as a firewall with some bandwidth shaping.

It currently has 1 server behind it that is pushing about 40mbps of bandwidth.

I have few rules to, open port 80 and 21 and close everything else, seems to be working fine, except every once in a while, the server becomes unavailable, and disabling firewall rules doesn’t do anything, I can’t even ping the server from inside microtik. the only solution is to restart mikrotik!

First thought was maybe some logs fillup the memory/flash and causes this, but I verified that available resources stay at:

cpu 20% usage
ram 230mb available
hard 470mb available

any suggestions to where to start looking?

Thanks in advance

2

first of - try upgrading to newest version, if problem persist, check parts you have set up.

if possible disable one by one to see if problem goes away, so after that you can check what part is not working properly.

3

Hi, I have a couple of RB450G’s that I’m playing with.

I’m normally running at very low CPU % but still the devices do get very hot.

Check it out from system → health

of from console system health print.

See if your cooking!

4

Temperature is usually around 44C - I have since disabled the main firewall rules that dropped traffic on unauthorized ports. so far, no problems after 3 days. So it is related to the firewall setup. Going to add the rule again and see if I can pin point it on the rule itself. Thank you :slight_smile:

5

Yes, they do get hot, but they appear to be designed for that.

6

Hi All!

I have problenm with our two new 450G.

When i power up the boards, thats aren’t booting.
The serial console is write this:

RouterBOOT booter 2.23

RouterBoard 450G

CPU frequency: 680 MHz
Memory size: 256 MB


RouterBOOT booter 2.23

RouterBoard 450G

CPU frequency: 680 MHz
Memory size: 256 MB


RouterBOOT booter 2.23

RouterBoard 450G

CPU frequency: 680 MHz
Memory size: 256 MB

How can I fix it the problem?

Thanks a lot
Daniel

7

What PSU you use? Is it blue LED stable on?

8

Solved.