Connection instability on ASUS RT-AC56U & VLAN disconnect
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Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 4:57 PM - edited 02-07-2023 4:58 PM
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I've been using the AC56U for years as it practically does any connection type imaginable. The speed is not usually an issue but stability has been lacking with frequent disconnects of several minutes at a time, sometimes requiring manual resetting.
I understand that some ASUS machines are known to be less stable on UK FTTC lines but this seems to be beyond that. Most oddly, the connection to the fibre modem is lost when I turn VLAN on (802.1Q enabled and set to 101Q/0P). As soon as I disable VLAN, I'm back online but with the described instability ...
Any ideas?
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 6:36 PM
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Most oddly, the connection to the fibre modem is lost when I turn VLAN on (802.1Q enabled and set to 101Q/0P). As soon as I disable VLAN, I'm back online
not odd at all! The modem does the vlan tagging, so the router shouldn't do any tagging at all
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 7:10 PM
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So only the connection instability remains to be investigated!
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 7:20 PM
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Is the modem losing sync ?
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 7:38 PM
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Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 7:40 PM
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Does the ASUS have any readable error logs?
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 7:51 PM
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If the modem is losing sync, then either logs or linevstats from the modem are going to be the most useful
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
02-07-2023 7:53 PM
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Sorry, @MisterW didn't think of that - do modems (whichever the OP is using) have these facilities?
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
03-07-2023 6:48 AM
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@jab1 they do, but getting access to them can be difficult
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
03-07-2023 8:11 AM
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Is there not an expectation to be able to view the PPPoE connection behaviour on the ASUS router? I could on a TP-Link router.
Agree to view the DSL behaviour you need access to the modem logs unless it is connected to a ONT. (No DSL)
@chaptainsky which modem is being use?
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
03-07-2023 12:10 PM
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I'll see about pulling the router logs though.
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
03-07-2023 12:21 PM
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If the modem is losing sync , then you wont get much information from the router logs, other than the PPPoE connection has been dropped!
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Connection instability on ASUS RT-AC56U & VLAN disconnect
03-07-2023 12:55 PM
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Not disagreeing but limited information is better than no information, the frequency of any PPPoE connection drops can be determined confirming the effort to extract the DSL connections a worthwhile task.
The described issue could be DSL drops.
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