Cannot downgrade nor upgrade

RouterOS
1

I’m having some weird issues with my system. It is a CRS310-8G+2S+ running 7.21beta8 (testing).

I can connect via web interface, via netbox, but not via API. SNMP works fine. Tested this a few times when i wanted to test using MTKXP: created new user, set the rights correctly, everything by the book. Took me an hour to verify this setup with 2 other routerOS devices, where this was all working as designed.

could not find the reason for the management interface not responding to these api requests.

decided to check the firmware… but it did not have an internet connection anymore. weird. I can ping google.com from the console, but I cannot check for new packages. “/system package update check-for-updates” just gives me “status: ERROR: no internet connection”. local DNS server works fine,internet DNS server I can ping and also traceroute.

So I decided to manually downgrade… it fails. it won’t downgrade to installed RouterOS. I then uploaded the latest stable to the device and tried to downgrade… it fails as well. The device reboots but gets back to the latest beta installed.

any other suggestions without having to hardware reset it ?

2

What does the log say after an unsuccesfull up/downgrade? It usually provides a failure reason.

3

the log is completely empty

4

Hi,

Which interface is used as an origintor while you ping from the console?
Try to use tools/ping and set the source IP as your WAN one and watch the result.
Maybe your firewall just does not allow trafic originatjing from WAN interface? Forwarding works so you can use devices on LAN but traffic from the device itself could be blocked.

5

this is a downstream switch.

it has IP 10.0.99.6/25. it can reach the default gateway 10.0.99.1. it can reach the internet. DNS is working (internal server 10.0.0.25). ping to 1.1.1.1 works fine. ping to google.com works fine. it can reach everything it needs to reach.

6

reply to myself :slight_smile:

I created a VRRP setup for 3 subnetes yesterday,including this particular switch as backup VRRP router. I reverted those changes, and it is working again, i.e. the switch can connect to the internet again, the logfiles show up again on the switch.

None of the subnets that had a VRRP setup are the one from the management interface or the default gateway of the switch though… so even more puzzled as to why this happened.

Probably too complicated for my brain, so I’ll give it a rest and try to recreate this setup in Eve-NG when I have the time (read: probably never).