Reference Guide

• RSA key: 2048 bits
• ECDSA key : 256 bits
• Ed25519 key: 256 bits
Command Mode EXEC
Usage Information If necessary, you can regenerate the public keys used by the SSH server with a customized bit size. You cannot
change the default size of the Ed25519 key. The crypto ssh-key generate command is available only to the
sysadmin and secadmin roles.
Example
OS10# crypto ssh-key generate rsa 4096
Host key already exists. Overwrite [confirm yes/no]:yes
Generated 4096-bit RSA key
OS10#
Supported Releases 10.4.1.0 or later
ip access-class
Filters connections based on an IPv4 access list in virtual terminal line.
Syntax
ip 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)# ip access-class deny10
Supported Releases 10.4.0E(R1) or later
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
528 System management