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datajerk
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Posts: 36
Joined: Sun Aug 28, 2016 1:02 am

Intermittent timeout when trying to ssh or webfig into CRS328

Tue Jun 30, 2020 4:19 am

Hi,

I have various mikrotik routers and switches, but only one CRS328 has intermittent timeouts when trying to ssh or webfig in. Serial console always works and is snappy. Since do not have problems with other devices, and a 2nd CRS328 (newer and not loaded) does not have this problem, and they are all configured closely the same, I'm not exactly sure what to look at or for.

CRS328-24P-4S+, about 2 years old, 6.46.6, IIRC started to have problems about 6 months back, thinking software update, but not 100% sure. Almost all ports in use, however traffic is light (sub 1Gbps mostly). As I write this I cannot ssh/webfig in. From the serial console the cpu load is 3%. Free memory: 494228KiB.

Looking for suggestions. Thanks.
 
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mutluit
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Posts: 714
Joined: Wed Mar 25, 2020 4:04 am

Re: Intermittent timeout when trying to ssh or webfig into CRS328

Tue Jun 30, 2020 6:36 am

Take 1 of the ports out of the bridge, give it an IP/mask (for example 192.168.128.254/24, ie. creating a new LAN 192.168.128.0/24), and attach a host to that port, and try ssh & webfig from that host to that new gateway IP (ie. login to the CRS via this new gateway IP).
Of course with the above example, the IP of the host must be 192.168.128.x, mask=255.255.255.0 (or /24), gateway 192.168.128.254
If this test works ok, then it must be a config error, or with less probability a cable error :-)

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