Configuration; Data Transmission - ZyXEL Communications MSC1024G Series User Manual

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39.3 Configuration

Configuration changes were not saved after I restarted the system.

Use Config Save when you are done with a configuration session.

The Gigabit Ethernet interface's LED is on, but data cannot be transmitted.

1 Ping the MSC from a computer behind the connected uplink or downlink Ethernet

2 If you cannot ping, check the Ethernet cable and connections between the uplink or

subtending port and the Ethernet switch or router.

3 Make sure the port has the appropriate uplink or subtending mode setting.

4 Make sure the system's IP settings are properly configured. The MSC and the peer

Ethernet devices must be in the same subnet.

5 Check the VLAN configuration. The Gigabit Ethernet port must be a member of the

same VLAN as the traffic you want to send through it.

I resolved a network loop problem on a switch connected to an IES port but the

IES port still does not send or receive data.

The port may have the loop guard feature enabled. Loop guard shuts down a port if it detects a

network loop on it. After resolving the loop problem on your network use the related port

setup or switch port setup Web Configurator screen or the commands to re-activate the

disabled port.

The ports in an n-wire group cannot send or receive data.

Make sure all the SHDSL ports in the n-wire group use the same SHDSL profile and are

connected to the same remote SHDSL device.

MSC1000G/1024G/1224G Series User's Guide

Chapter 39 Troubleshooting

Msc1224g series Msc1000g series