Clock Configuration; Custom Autonegotiation Advertisements - Nortel 4500 Series Overview-System Configuration

Clock configuration
In addition to SNTP time configuration, a clock provides the switch with time
information. This clock provides the switch information in the instance that
SNTP time is not available.
Use the following commands to view and configure the clock:
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Clock source command
This command sets the default clock source for the switch.
The syntax for this command is
clock source {sntp | sysUpTime}
Substitute {sntp | sysUpTime} with the clock source selection.
Run this command in Global Configuration command mode.

Custom Autonegotiation Advertisements

Custom Autonegotiation Advertisement (CANA) customizes the capabilities
that are advertised. It also controls the capabilities that the Nortel Ethernet
Routing Switch 4500 Series advertises as part of the auto negotiation
process.
The following sections describe configuring CANA using the CLI:
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Configuring CANA
Use the auto-negotiation-advertisements command to configure
CANA.
To configure port 5 to advertise the operational mode of 10 Mb/s and full
duplex enter the following command:
auto-negotiation-advertisements port 5 10-full
Viewing current autonegotiation advertisements
To view the autonegotiation advertisements for the device, enter the
following command:
Copyright © 2007, Nortel Networks
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General switch administration using the Command Line Interface 189
"Clock source command" (page 189)
default clock source
"Configuring CANA" (page 189)
"Viewing current autonegotiation advertisements" (page 189)
"Viewing hardware capabilities" (page 190)
"Setting default auto-negotiation-advertisements" (page 190)
"no auto-negotiation-advertisements command" (page 190)
Nortel Ethernet Routing Switch 4500 Series
Overview — System Configuration
NN47205-500 02.01 Standard
5.0 23 February 2007
Nortel Networks Confidential