Connectivity Guide

ipv6 access-class
Filters connections based on an IPv6 access list in virtual terminal line.
Syntax
ipv6 access-class access-list-name
Parameters access-list-name—Enter the access list name.
Default Not congured
Command Mode LINE VTY CONFIGURATION
Usage Information The no version of this command removes the lter.
Example
OS10(config)# line vty
OS10(config-line-vty)# ipv6 access-class permit10
Supported Releases 10.4.0E(R1) or later
ip ssh server challenge-response-authentication
Enable challenge response authentication in an SSH server.
Syntax
ip ssh server challenge-response-authentication
Parameters None
Default Disabled
Command Mode CONFIGURATION
Usage Information The no version of this command disables the challenge response authentication.
Example
OS10(config)# ip ssh server challenge-response-authentication
Supported Releases 10.3.0E or later
ip ssh server cipher
Congure the list of cipher algorithms in the SSH server.
Syntax
ip ssh server cipher cipher-list
Parameters cipher-list — Enter the list of cipher algorithms separated by space. The following is the list of cipher
algorithms the SSH server supports:
• 3des-cbc
• aes128-cbc
• aes192-cbc
• aes256-cbc
• aes128-ctr
• aes192-ctr
• aes256-ctr
• [e-mail]
Security 807