Shoretel Switch alerts: are these normal numbers for alert: "Switch has lost connection to the network"

We have 4 remote sites connected via MPLS T1, with Shoretel SG30 switches at each site.
One site in particular has had network connectivity issues for a long time, and so I thought I'd look at the state of the switch
since they lose Shoretel Communicator connectivity several times/day, on their PC's.

In Shoretel Director,  in Alerts section, out of 100 SG30 "Switch has lost connection to the network" messages,  20 of them are at other sites(not experiencing issues)

Is this common for a Shoretel SG30, to display so many alerts for a switch?

e.g. here are the entries for yesterday: (displaying "Switch has lost connection to the network" message)

2/5/2018 23:19
2/5/2018 23:19
2/5/2018 23:19
2/5/2018 23:19
2/5/2018 23:19
2/5/2018 23:19
2/5/2018 22:58
2/5/2018 21:50
2/5/2018 20:40
2/5/2018 19:30
2/5/2018 18:26
2/5/2018 17:15
2/5/2018 17:13
2/5/2018 17:12
2/5/2018 16:07
2/5/2018 14:57
2/5/2018 13:50
2/5/2018 13:48
2/5/2018 12:42
2/5/2018 12:39
2/5/2018 11:33
2/5/2018 10:26
2/5/2018 10:23
2/5/2018 9:17
2/5/2018 9:16
2/5/2018 8:08
2/5/2018 6:59
2/5/2018 5:50
2/5/2018 3:35
2/5/2018 3:32
2/5/2018 2:27
2/5/2018 1:17



Thoughts?
Richard GouetteIT ManagerAsked:
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masnrockCommented:
Is anything not related to phones losing connection? If so, then it sounds like the issue starts towards the switch, router, or link itself. If you're able to verify that the MPLS link is never going down, I'd start with trying a different switch if possible.
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Richard GouetteIT ManagerAuthor Commented:
Actually, yes: they do lose the 1 other LOB application that runs over the T1.
Some weeks ago, we found a route table entry that was incorrect, and thought since that incorrect entry was allowing HTTP to traverse the T1, it was flooding the pipe....but it seems to not have fixed the issue.

So then, your opinion is that the SG30 messages are really best interpreted more as a symptom, than a cause.
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masnrockCommented:
So then, your opinion is that the SG30 messages are really best interpreted more as a symptom, than a cause.
To start off with, yes. If anything closer to the router than the switch never have issues, then the switch is likely to be the cause.
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Richard GouetteIT ManagerAuthor Commented:
good enough.
I need to investigate upstream devices

thanks
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