Cisco UBR7246 SSH Server

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WHY

Because SSH is more secure than the regular telnet connection

HOW

1. enable

2. configure terminal

3. crypto key generate rsa usage-keys label <key-label> modulus <modulus-size>

- Choose a modulus >=1024

4. ip ssh rsa keypair-name <key-label>

5. ip ssh time-out <1-120>

6. ip ssh authentication-retries <0-5>

7. ip ssh version [1|2]

- 2 Is only available in k9 images ( k8 has ssh1 only )

Putty will warn you about the single-DES encryption but will work, under linux you need:

ssh user@host -1 -c des

LINKS

Configuring a Router for SSH Version 2 Using a Host Name and Domain Name