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Managing network access devices 73
Step Action
1 Use the /cfg/domain #/switch #/sshkey/del command to
delete the original key.
2 Enter Apply to apply the change immediately.
3 Use the /cfg/domain #/switch #/sshkey/import
command to import the new key.
4 Enter Apply to apply the change immediately.
--End--
Monitoring switch health
The Nortel SNAS continually monitors the health of the network access
devices. At specified intervals, a health check daemon sends queries
and responses to the switch as a heartbeat mechanism. If no activity
(heartbeat) is detected, the daemon will retry the health check for a
specified number of times (the dead count). If there is still no heartbeat,
then after a further interval (the status-quo interval) the network access
devices moves all its clients into the Red VLAN. When connectivity is
re-established, the Nortel SNAS synchronizes sessions with the network
access devices.
The health check interval, dead count, and status-quo interval are
configurable.
To configure the interval and dead count parameters for the Nortel SNAS
health checks and status-quo mode, use the following command:
/cfg/domain #/switch #/hlthchk
The HealthCheck menu appears.
The HealthCheck menu includes the following options:
/cfg/domain #/switch #/hlthchk
followed by:
interval <interval>
Sets the time interval between checks for
switch activity.
• interval is an integer that indicates the
time interval in seconds (s), minutes (m), or
hours (h). The valid range is 60s (1m) to
64800s (18h). The default is 1m (1 minute).
Nortel Secure Network Access Switch
Using the Command Line Interface
NN47230-100 03.01 Standard
28 July 2008
Copyright © 2007, 2008 Nortel Networks
.