Changing Default Sshd Secure Session Logout Parameters; Ssh Client Login To External Servers; Setting Ssh Client Ciphers - Cisco ASR 5500 System Administration Manual
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Also See for ASR 5500:
- Administration manual (410 pages) ,
- Installation manual (192 pages) ,
- Installation procedure overview (6 pages)
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Getting Started
Changing Default sshd Secure Session Logout Parameters
The following command sequence modifies the default settings for the ClientAliveCountmax (default = 3)
and ClientAliveInterval (default = 15 seconds) parameters.
Step 1
Enter the context configuration mode.
host_name
[local]
Step 2
Go to the SSH Configuration mode.
host_name
[local]
Step 3
Set the ClientAliveCountmax parameter to 2.
host_name
[local]
Step 4
Set the ClientAliveInterval parameter to 5 seconds.
host_name
[local]
Step 5
Exit the SSH Configuration mode.
host_name
[local]
host_name
[local]
SSH Client Login to External Servers
StarOS supports public key authentication for SSH/SFTP access from the StarOS gateway to external servers.
You configure this feature by generating SSH client key pairs and pushing the client public key to external
servers
By default StarOS only supports username-password authentication to external servers.
Note
Setting SSH Client Ciphers
The SSH Client Configuration mode ciphers CLI command configures the cipher priority list when logging
into an external server.
Step 1
Enter the SSH Client Configuration mode.
host_name
[local]
Step 2
Specify the desired encryption algorithms.
host_name
[local]
Notes:
• algorithms is a string of 1 through 511 alphanumeric characters that specifies the algorithm(s) to be used as a single
string of comma-separated variables (no spaces) in priority order (left to right) from those shown below:
configure
#
context context_name
(config)#
client-alive-countmax 2
(config-sshd)#
client-alive-interval 5
(config-sshd)#
end
(config-sshd)#
#
client ssh
(config)#
ciphers algorithms
(config-ssh)#
SSH Client Login to External Servers
ASR 5500 System Administration Guide, StarOS Release 21.5
21
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Troubleshooting
