Cisco IOS XR User Manual

Implementing Secure Shell on Cisco IOS XR Software
How to Implement Secure Shell
SC-152
Cisco IOS XR System Security Configuration Guide
AAA Feature
AAA is a suite of network security services that provide the primary framework through which access
control can be set up on your Cisco router or access server. For more information on AAA, see the
Authentication, Authorization, and Accounting Commands on Cisco IOS XR Software module in the
Cisco IOS XR System Security Command Reference publication and the Configuring AAA Services on
Cisco IOS XR Software module in the Cisco IOS XR System Security Configuration Guide publication.
How to Implement Secure Shell
To configure SSH, perform the tasks described in the following sections:
• Configuring SSH, page SC-152 (required)
• Configuring the SSH Client, page SC-154 (required)
Configuring SSH
Perform this task to configure SSH.
Note For SSHv1 configuration, Step 1 to Step 4 are required. For SSHv2 configuration, Step 1 to Step 4 are
optional.
SUMMARY STEPS
1. configure
2. hostname hostname
3. domain name domain-name
4. exit
5. crypto key generate rsa [usage keys | general-keys] [keypair-label]
6. crypto key generate dsa
7. configure
8. ssh timeout seconds
9. ssh server
or
ssh server v2 (optional)
10. end
or
commit
11. show ssh
12. show ssh session details

Cisco IOS XR Specifications

General

Operating System	Cisco IOS XR
Architecture	Microkernel
High Availability	Yes
Type	Network operating system
Developed by	Cisco Systems
License	Proprietary
Programming Language	C, C++
Kernel	QNX
Supported Platforms	Cisco ASR9000, NCS series
Security Features	Role-Based Access Control (RBAC), Secure Boot, Encryption
Management Interface	CLI, SNMP, NETCONF, RESTCONF
Release Date	2004
Target Devices	High-end core routers, service provider edge routers, data center interconnect (DCI) routers
Supported Hardware	Cisco routers and switches
Networking Protocols	BGP, OSPF, IS-IS, MPLS
Virtualization Support	Virtualization-ready, supports network function virtualization (NFV) and containerization technologies.