Ssh Server - Cisco CRS User Manual

ssh server

ssh server
To bring up the Secure Shell (SSH) server and to configure one or more VRFs for its use, use the ssh server
command. To stop the SSH server from receiving any further connections for the specified VRF, use the no
form of this command.
ssh server [vrf vrf-name| v2]
no ssh server [vrf vrf-name| v2]
Syntax Description
vrf vrf-name
v2
Command Default
The default SSH server version is 2 (SSHv2), which falls back to 1 (SSHv1) if the incoming SSH client
connection is set to SSHv1.
Command Modes
Global configuration
Command History
Release
Release 2.0
Release 3.8.0
Usage Guidelines
An SSH server must be configured at minimum for one VRF. If you delete all configured VRFs, including
the default, the SSH server process stops. If you do not configure a specific VRF for the SSH client when
applying other commands, such as ssh client knownhost or ssh client source-interface, the default VRF is
assumed.
The SSH server listens for an incoming client connection on port 22. This server handles both Secure Shell
Version 1 (SSHv1) and SSHv2 incoming client connections for both IPv4 and IPv6 address families. To
accept only Secure Shell Version 2 connections, use the
To verify that the SSH server is up and running, use the show process sshd command.
Task ID
Task ID
crypto
Cisco IOS XR System Security Command Reference for the Cisco CRS Router, Release 4.1
278
Specifies the name of the VRF to be used by the SSH server. The maximum VRF
length is 32 characters.
If no VRF is specified, the default VRF is
Note
assumed.
Forces the SSH server version to be only 2.
Modification
This command was introduced.
The vrf keyword was supported.
Operations
read, write
ssh server v2, on page 285
Secure Shell Commands
command.
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