Extreme summitpx1 Manuel D’Utilisation
Px Series Application Switch Installation and Configuration Guide
4-11
Using Secure Shell 2 (SSH2)
In addition, the
nslookup
utility can be used to return the IP address of a hostname.
Table 4-5 lists commands used to configure the DNS client.
Using Secure Shell 2 (SSH2)
The ExtremeWare Secure Shell 2 (SSH2) switch application allows you to encrypt Telnet
session data between a network administrator using SSH2 client software and the
switch, or to send encrypted data from the switch to an SSH2 client on a remote system.
Image and configuration files may also be transferred to the switch using the Secure
Copy Protocol 2 (SCP2). A command enables the switch to function as an SSH2 client,
sending commands to a remote system via an SSH2 session. There are also commands
to copy image and configuration files to the switch using the SCP2.
session data between a network administrator using SSH2 client software and the
switch, or to send encrypted data from the switch to an SSH2 client on a remote system.
Image and configuration files may also be transferred to the switch using the Secure
Copy Protocol 2 (SCP2). A command enables the switch to function as an SSH2 client,
sending commands to a remote system via an SSH2 session. There are also commands
to copy image and configuration files to the switch using the SCP2.
The ExtremeWare SSH2 switch application is based on the Data Fellows™ SSH2 server
implementation. It is highly recommended that you use the F-Secure SSH client
products from Data Fellows corporation. These applications are available for most
operating systems. For more information, refer to the Data Fellows website at:
implementation. It is highly recommended that you use the F-Secure SSH client
products from Data Fellows corporation. These applications are available for most
operating systems. For more information, refer to the Data Fellows website at:
http://www.datafellows.com
SSH2 is compatible with the Data Fellows SSH2 client version 2.0.12 or above.
SSH2 is not compatible with SSH1.
SSH2 is not compatible with SSH1.
Table 4-5: DNS Client Configuration Commands
Command
Description
config dns-client add <ipaddress>
Adds a DNS name server(s) to the available
server list for the DNS client. Up to three
name servers can be configured.
server list for the DNS client. Up to three
name servers can be configured.
config dns-client default-domain
<domain_name>
Configures the domain that the DNS client
uses if a fully qualified domain name is not
entered. For example, if the default domain
is configured to be foo.com, executing ping
bar searches for bar.foo.com.
uses if a fully qualified domain name is not
entered. For example, if the default domain
is configured to be foo.com, executing ping
bar searches for bar.foo.com.
config dns-client delete <ipaddress>
Removes a DNS server.
nslookup <hostname>
Displays the IP address of the requested
host.
host.
show dns-client
Displays the DNS configuration.