Visitor
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2 Messages
Disappearing Modem Event Logs
I've been experiencing intermittent T3 timeouts starting this month (which is not what this post is about). Since my modem was
about 10 years old I replaced it with a new Motorola MB7621. I'm still seeing the timeouts "Started Unicast Maintenance Ranging - No Response received", etc in the modem event log, which I kind of expected.
But here's the issue, I never seen more than one or two messages in the event log at a time. Whenever I look, if a new message appears any older message will have disappeared.
The modem is not getting power cycled, the uptime is not reset. I am not clearing the logs.
CCMike1
Retired Employee
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933 Messages
3 years ago
Hi @user_82d19c, thank you for reaching out. I know how important it is to get your modem working correctly. I'm sorry to hear you're experiencing issues. I know what it's like not having my own service working. It can be a nightmare! What type of modem are you using?
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XfiSubscriber
Visitor
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6 Messages
3 years ago
There are other users who have reported logs missing. My device doesn't record *any* event logs and my firewall logs have been limited to same day only. Before a support call last week I had standard firewall logs even if no events were showing.
I first believed it was due to reset. I now suspect Xfinity is using scripts to limit access to gateway logs entirely or to delete problematic entries.
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zip21222
Contributor
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160 Messages
3 years ago
Something similar happens with my SB8200.
Every 5 or 10 minutes I get a "No Ranging Response received - T3 time-out" error, and every time I get a new one, if the previous error was also a T3 time-out that previous one gets erased from the log.
It wasn't always like that, and I first noticed it sometime last month.
My service is good though, so I just wrote it off to a firmware update or maybe a change in the modem's docsis profile.
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