Device Access Issues - Cisco IPS-4255-K9 - Intrusion Protection Sys 4255 Installation Manual

Chapter A Troubleshooting
sensor#
Note
Read the Readme that accompanies the software upgrade for any known DDTS for ARC.
Step 5
Make sure the configuration settings for each device are correct (the username, password, and IP
Step 6
address).
Make sure the interface and directions for each network device are correct.
Step 7
If the network device is using SSH-DES or SSH-3DES, make sure that you have enabled SSH
Step 8
connections to the device.
Verify that each interface and direction on each controlled device is correct.
Step 9
For More Information
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Device Access Issues

ARC may not be able to access the devices it is managing. Make sure the you have the correct IP address
and username and password for the managed devices and the correct interface and direction configured.
SSH devices must support SSH 1.5. The sensor does not support SSH 2.0.
Note
To troubleshoot device access issues, follow these steps:
Step 1 Log in to the CLI.
Verify the IP address for the managed devices.
Step 2
sensor# configure terminal
sensor (config)# service network-access
sensor(config-net)# show settings
general
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OL-18504-01
If you do not have the latest software updates, download them from Cisco.com.
For the procedure for obtaining the latest Cisco IPS software, see
page 11-1.
For more information about configuring devices, see
For the procedure for verifying the interfaces and directions for each network device, see
the Interfaces and Directions on the Network Device, page
For the procedure for enabling SSH, see
page A-43.
log-all-block-events-and-errors: true <defaulted>
enable-nvram-write: false <defaulted>
enable-acl-logging: false <defaulted>
allow-sensor-block: false <defaulted>
block-enable: true <defaulted>
block-max-entries: 250 <defaulted>
max-interfaces: 250 <defaulted>
master-blocking-sensors (min: 0, max: 100, current: 0)
Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0
Obtaining Cisco IPS Software,
Device Access Issues, page
A-43.
Enabling SSH Connections to the Network Device,
Troubleshooting the Appliance
A-41.
Verifying
A-41