Avid Technology Isis 7000, Руководство по установке

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Replacing the Network Switch
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Replacing the Network Switch
If replacing a switch in the ISIS environment, the following are a few suggestions you need to
consider before removing the switch.
• Have a backup copy of the switch configuration file.
• Disable any Link Aggregation that might be set in your ISIS 7000 environment. This
prevents odd network behavior and the inevitable trunking errors.
• Disable any trunking to other switches before removing the switch. Any trunking involved
with the switch would be part of the configuration file and would help when reconfiguring
the trunk on the new switch.
• You do not have to shutdown the System Director or Engines when replacing a switch,
particularly if you have a redundant switch configuration.
To replace a switch you will need a console connection to the switch and a tftp server. The
following are high level steps that assumes the failed switch is still capable of making a tftp
backup. If the switch is completely dead, the configuration will need to either be restored from a
previous backup or manually configured.
To capture the switch configuration file:
1. Copy the startup configuration of the failed switch to the tftp server.
2. Install the replacement switch.
3. Configure a temporary interface on the new switch to connect to the tftp server (best to use a
no switchport interface with IP address on same subnet as TFTP server).
4. Copy the backup copy of the old switch startup configuration to the new switch (copy tftp
startup-config).
5. Reload the switch configuration and old switch configuration should be restored on the new
switch.
The specific commands will be different between Cisco and Force10 but they all should be
in the switch configuration guide.
If a TFTP server is not available:
t
Use a console/telnet client such as PUTTY to list the configuration and copy it to a text file,
which can then be pasted back into the new switch and save to NVRAM.
n
The PUTTY scroll back buffer needs to be increased from the default 200 to at least 2000. If you
increase it to 50000 and make the screen longer and wider you can capture “show tech-support”
output,