Secure Shell Version 2 Client and Server Support
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Cisco IOS XE Release 3.4SG
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The Cisco image was updated to provide for the automatic generation of SNMP traps when an SSH session terminates.
This feature was supported on CAT2960, CAT3560E, CAT3560X, CAT3750, CAT3750E, CAT3750X, CAT4500.
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Secure Shell Version 2 Enhancements
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Cisco IOS XE Release 3.4SG
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The Secure Shell Version 2 Enhancements feature includes a number of additional capabilities such as support for VRF-Aware
SSH, SSH debug enhancements, and DH Group 14 and Group 16 exchange support.
This feature was supported on CAT2960, CAT3560E, CAT3560X, CAT3750, CAT3750E, CAT3750X, CAT4500.
Note
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The VRF-Aware SSH feature is supported depending on your release.
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The following commands were introduced or modified: debug
ip
ssh , and ip
ssh
dh
min
size .
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Secure Shell Version 2 Enhancements for RSA Keys
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Cisco IOS XE Release 3.4SG
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The Secure Shell Version 2 Enhancements for RSA Keys feature includes a number of additional capabilities to support RSA
key-based user authentication for SSH and SSH server host key storage and verification.
This feature was supported on CAT2960, CAT3560E, CAT3560X, CAT3750, CAT3750E, CAT3750X, CAT4500.
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Secure Shell Version 2 Support
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Cisco IOS XE Release 3.4SG
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The Secure Shell Version 2 Support feature allows you to configure Secure Shell (SSH) Version 2 (SSH Version 1 support was
implemented in an earlier Cisco software release). SSH runs on top of a reliable transport layer and provides strong authentication
and encryption capabilities.
This feature was supported on CAT2960, CAT3560E, CAT3560X, CAT3750, CAT3750E, CAT3750X, CAT4500.
The following commands were introduced or modified: debug
ip
ssh , ip
ssh
min
dh
size , ip
ssh
rsa
keypair-name , ip
ssh
version , and ssh .
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SSH Keyboard Interactive Authentication
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Cisco IOS XE Release 3.4SG
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The SSH Keyboard Interactive Authentication feature, also known as Generic Message Authentication for SSH, is a method that
can be used to implement different types of authentication mechanisms. Basically, any currently supported authentication method
that requires only user input can be performed with this feature.
This feature was supported on CAT2960, CAT3560E, CAT3560X, CAT3750, CAT3750E, CAT3750X, CAT4500.
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