Port Swapping; About Port Swapping - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual
Cisco mds 9000 family cli configuration guide - release 4.x (ol-18084-01, february 2009)
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Port Swapping
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Key Counter is 5
FCID last byte is 0
Date/Time is same as system time (Wed Dec 3 20:10:45.924591 2003)
Device Allegiance not locked
Codepage is us-canada
Saved configuration files
Port Swapping
The FICON port-swapping feature is only provided for maintenance purposes.
The FICON port-swapping feature causes all configurations associated with old-port-number and new
port-number to be swapped, including VSAN configurations.
Cisco MDS switches allow port swapping for nonexistent ports as follows:
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If active equals saved is enabled on any FICON VSAN, then the swapped configuration is
Tip
automatically saved to startup. Otherwise, you must explicitly save the running configuration
immediately after swapping the ports.
Once you swap ports, the switch automatically performs the following actions:
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If you attempt to bring the port up, you must explicitly shut down the port to resume traffic.
The ficon swap portnumber command is only associated with the two ports concerned. You must issue
this VSAN-independent command from EXEC mode. Cisco MDS NX-OS checks for duplicate port
numbers in a VSAN before performing the port swap.
If you attempt to bring the port up by specifying the ficon swap portnumber old-port-number
new-port-number after swap noshut command, you must explicitly issue the no shutdown command
to resume traffic.
This section includes the following topics:
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About Port Swapping
Be sure to follow these guidelines when using the FICON port swapping feature:
Cisco MDS 9000 Family CLI Configuration Guide
29-36
IPL
IPL3
Only FICON-specific configurations (prohibit, block, and port address mapping) are swapped.
No other system configuration is swapped.
All other system configurations are only maintained for existing ports.
If you swap a port in a module that has unlimited oversubscription ratios enabled with a port in a
module that has limited oversubscription ratios, then you may experience a degradation in
bandwidth.
Shuts down both the old and new ports.
Swaps the port configuration.
About Port Swapping, page 29-36
Swapping Ports, page 29-37
Chapter 29
Configuring FICON
OL-18084-01, Cisco MDS NX-OS Release 4.x
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