||November 22, 2005
||September 2, 2006 outdated>> Updated in 2019
From time to time, your Internet connection might be lost. This
document discusses the process of restoring the connection, and
troubleshooting the problem.
Restoring Internet Connection
(note any discrepancies during each step)
- Power Cycle (see glossary below)
ISP Access Router
- Observe diagnostics status lights sequence.
- Power light steady.
- PC/Enet light steady.
- DSL/Data light steady.
- ISP router (access) is ready.
- Power Cycle Internet Gateway Router:
- Observe diagnostics light sequence.
- Power light steady.
- WAN light steady.
- At least 1 LAN light steady.
- Gateway router (sharing) is ready.
- Test Workstation:
- Simply test Internet access by visiting "google.com"
- If that doesn't work, restart station and test again.
- Normal Internet Connection restored.
- Otherwise, contact Bravo.
- Contrary to ISP instructions, do not power
off all units to start. Follow instructions above for maximum
efficiency & effectiveness.
- Never restart or otherwise disturb the
file/domain server hastily. It is completely unrelated to
your Internet access, contrary to advice from junior technicians.
- Trained & authorized DIFA
may reconfigure to single-station mode and access ISP router
directly to investigate ISP access line status.
Important Points to Remember:
- ISPs are neither obligated nor equipped
(unwilling & unable) to troubleshoot (or even accommodate) your
network. They can only focus on whether the access line is up.
- ISPs will assume you're a single-user and don't care about the
will do anything that is convenient to them, including disrupting
your network & servers, etc.
- Seemingly innocuous steps could quickly cascade into
- The responsibility to preserve your
network and servers, etc. lie with you, or your hired
||Momentarily power off
for 5 seconds, then power on again. (3 minute off time might
be required for "cable modem"). Pull out the AC adapter
connecter, if there is no power switch on the unit.
||At least 90% solidly
lit, with maybe occasional irregular flickers.
||For most sites, this is a small appliance (D-Link, Linksys,
etc.) For medium businesses, it's
most likely a Linux server, or Microsoft ISA Server.