Usage Logs

The Usage Logs page is the session and accounting record for your customers' connections. Each row is one connection session: when the customer's device logged on, when it logged off, how long it stayed up, how much data it moved in each direction, and why the session ended. This is where you confirm a customer was actually online, measure their data usage, and read the router's own reason for a disconnect.

Where to find it: Sidebar → Logs → Usage Logs.

Operator guide

The Usage Logs page is the session and accounting record for your customers' connections. Each row is one connection session: when the customer's device logged on, when it logged off, how long it stayed up, how much data it moved in each direction, and why the session ended. This is where you confirm a customer was actually online, measure their data usage, and read the router's own reason for a disconnect.

Where to find it: Sidebar → Logs → Usage Logs.

What each column shows

Column	What it shows	Notes
ID	The accounting record identifier for the session.
Username	The customer for this session.	Links to the customer with a live online indicator.
Router IP	The router (NAS) the session ran on.	Links to that router's page.
Login	When the session started (device connected).	Branch timezone.
Log Off	When the session ended.	Blank while a session is still live.
Up Time	How long the session lasted.
MAC Address	The device's hardware address.	Links to MAC Lookup; hovering a recognised address shows manufacturer, OUI prefix, assignment type, and country.
Disconnect Message	The router's reason for ending the session.	The standard RADIUS terminate cause , see the table below.
Upload	Data the customer sent during the session.	Shown with its unit.
Download	Data the customer received during the session.	Shown with its unit.
Total	Upload plus download for the session.

Filter the list

Filter	What it does
Entries per page	10, 25, 50, 100.
Search	Free-text search across the log.

Disconnect Message meanings (Acct-Terminate-Cause)

The Disconnect Message comes straight from the router in its accounting-stop packet. These are the standard RADIUS Accounting terminate-cause values defined in RFC 2866 (Section 5.10, Acct-Terminate-Cause). The router chooses one when it closes the session; the exact set you see depends on what your NAS reports.

Code	Message	What it means in practice
1	User Request	The user disconnected cleanly (logged out or clicked disconnect).
2	Lost Carrier	The physical or wireless link dropped unexpectedly (cable unplugged, out of range).
3	Lost Service	The NAS could no longer provide the service, usually an upstream failure.
4	Idle Timeout	The user was idle too long and the NAS closed the session to free resources.
5	Session Timeout	The user hit the maximum allowed connection time.
6	Admin Reset	An administrator manually ended the session or reset the port.
7	Admin Reboot	An administrator cleanly restarted the NAS, closing sessions gracefully.
8	Port Error	The NAS detected a hardware or data-link error on that port.
9	NAS Error	The NAS hit an internal error (not port-specific) that forced the disconnect.
10	NAS Request	The NAS ended the session for a routine, non-error reason (such as a policy update).
11	NAS Reboot	The NAS crashed or lost power and reported this after rebooting.
12	Port Unneeded	The NAS decided the connection was no longer required (mostly legacy dial-up/ISDN).
13	Port Preempted	The NAS freed the port for a higher-priority connection.
14	Port Suspended	The NAS temporarily suspended the session; the user may reconnect later.
15	Service Unavailable	The NAS could not deliver the requested service or parameters.
16	Callback	The NAS ended the session to immediately dial the user back (legacy dial-in security).
17	User Error	The user's device sent malformed or invalid input that forced a disconnect.
18	Host Request	The upstream login host the user was connecting to ended the session.

The Disconnect Message column shows the raw Acct-Terminate-Cause value supplied by the router. Its wording can differ between router vendors and configurations.

Troubleshooting / FAQ

• A customer says they were charged for data they didn't use. Open their sessions and compare the Upload/Download/Total figures against the period in question. The Total is the sum of both directions for that session.

• Sessions keep ending with "Lost Carrier" or "Idle Timeout." These are line/behaviour causes reported by the router, not AltRadius actions. Repeated Lost Carrier points at a physical link problem; frequent Idle Timeout points at an idle-timeout setting on the plan or NAS.

• A session shows a disconnect right after a plan change. That is expected , plan changes drop the session so the new policy loads on reconnect (see RADIUS Logs). A fresh session should appear once the customer reconnects.

• There is no export or print button. This page is view-only , filter and read on screen.