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8-70
Cisco Nexus 5000 Series Command Reference
OL-16599-01
Chapter 8 Fibre Channel Commands
fcsp dhchap
fcsp dhchap
To configure DHCHAP options in a switch, use the fcsp dhchap command. This command is only
available when the FC-SP feature is enabled. Use the no form of the command to revert to factory
defaults.
fcsp dhchap {devicename switch-wwn password [0 | 7] password |
dhgroup [0] [1][2][3 ][4] | hash [md5 | sha1] | password [0 | 7] password [wwn wwn-id]}
no fcsp dhchap {devicename switch-wwn password [0 | 7] password |
dhgroup [0 | 1| 2 | 3 | 4] | hash [md5] [sha1] | password [0 | 7] password [wwn-id]}
Syntax Description
Command Default Disabled.
Command Modes Configuration mode
Command History
Usage Guidelines You can only see the fcsp dhchap command if you enter the fcsp enable command.
Using SHA-1 as the hash algorithm may prevent RADIUS or TACACS+ usage.
If you change the DH group configuration, ensure to change it globally for all switches in the fabric.
Examples The following example enables FC-SP:
switch(config)# # fcsp enable
devicename Configures a password of another device in the fabric.
switch-wwn Provides the WWN of the device being configured.
password Configures DHCHAP password for the local switch.
0 (Optional) Specifies a clear text password.
7 (Optional) Specifies a password in encrypted text.
dhgroup Configures DHCHAP Diffie-Hellman group priority list.
0 (Optional) Null DH—no exchange is performed (default).
1 | 2 | 3 | 4 (Optional) Specifies one or more of the groups specified by the standards.
hash Configures DHCHAP hash algorithm priority list in order of preference.
md5 (Optional) Specifies the MD5 hash algorithm.
sha1 (Optional) Specifies the SHA-1 hash algorithm.
wwn wwn-id (Optional) The WWN ID with the format hh:hh:hh:hh:hh:hh:hh:hh.
Release Modification
4.0(0)N1(1a) This command was introduced.
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