Nokia IP2255 Installation Guide - Page 106

Appliance Not Receiving Power, Unable to Log In to the Console Port-No Error Message, Problem

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Page 106 highlights

8 Troubleshooting Problem Encapsulation is not set to LLC/SNAP. Solution Set encapsulation to LLC/SNAP. Consult your 1483 device documentation. Problem The MTU size is not 1500 (for Ethernet interfaces) or 1518 (for four-port Gigabit Ethernet interfaces) or 9600 (for.two-port Gigabit Ethernet interfaces or 10 Gigabit Ethernet interfaces. Solution The MTU size must be 1500 (for Ethernet interfaces) or 1518 (for four-port Gigabit Ethernet interfaces) or 9600 (for.two-port Gigabit Ethernet interfaces or 10 Gigabit Ethernet interfaces). Nokia does not support larger MTU sizes. Appliance Not Receiving Power Problem Power cord is not properly plugged in. Solution Check cord. Make sure it is properly seated at both ends. Problem Power supply not providing power. Solution Check power source. If there is no power at the source, take appropriate action such as inserting a new fuse or resetting circuit breaker. Unable to Log In to the Console Port-No Error Message Two laptop computers (using terminal emulation programs) or terminals should be able to communicate back to back in the same way that the terminal communicates with the appliance. If this is not possible using your laptop computer or terminal, the problem is with the terminal or cable and not with the appliance. Problem No console connection to the appliance. Solution For information about how to create a console connection, see "To connect to the console" on page 46. 106 Nokia IP2255 Security Platform Installation Guide

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8
Troubleshooting
106
Nokia IP2255 Security Platform Installation Guide
Problem
Encapsulation is not set to LLC/SNAP.
Solution
Set encapsulation to LLC/SNAP. Consult your 1483 device
documentation.
Problem
The MTU size is not 1500 (for Ethernet interfaces) or 1518 (for
four-port Gigabit Ethernet interfaces) or 9600 (for.two-port Gigabit Ethernet
interfaces or 10 Gigabit Ethernet interfaces.
Solution
The MTU size must be 1500 (for Ethernet interfaces) or 1518 (for
four-port Gigabit Ethernet interfaces) or 9600 (for.two-port Gigabit Ethernet
interfaces or 10 Gigabit Ethernet interfaces). Nokia does not support larger
MTU sizes.
Appliance Not Receiving Power
Problem
Power cord is not properly plugged in.
Solution
Check cord. Make sure it is properly seated at both ends.
Problem
Power supply not providing power.
Solution
Check power source. If there is no power at the source, take
appropriate action such as inserting a new fuse or resetting circuit breaker.
Unable to Log In to the Console Port—No Error Message
Two laptop computers (using terminal emulation programs) or terminals
should be able to communicate back to back in the same way that the terminal
communicates with the appliance. If this is not possible using your laptop
computer or terminal, the problem is with the terminal or cable and not with
the appliance.
Problem
No console connection to the appliance.
Solution
For information about how to create a console connection, see
“To connect to the console”
on page 46.