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Chapter 2, which explains how to configure the CLI for an IP address and a Level 15 password in order to use
the CVSM. The last section of the Immediate Solutions section will walk you through the CVSM Web
Management screens on the 1900 series switch, looking at each screen individually and identifying the
configuration changes that can be made from each screen.
Configuring the Switch with an IP Address and Setting the
Default Web Administration Port
When a switch is first plugged in and finishes initializing, no IP address is configured. You do not have to
configure an IP address, but having one in place will help you manage your switch.
Follow these steps to set an IP address and identify the TCP port to be used. (These steps assume that a
password has been configured on the switch.)
From the Main Menu on your Catalyst 1900, select [N] for Network Management.1.
At the Network Management Console, select [I] for IP Configuration.2.
Verify your address; or, if you do not have one, enter one at this point. Here’s what you should see:
Catalyst 1900 − IP Configuration
Ethernet Address: 00−B0−64−75−65−40
——————————−—————————— Settings ———————————————————
[I] IP address 192.1.2.1
[S] Subnet mask 255.255.255.0
[G] Default gateway 0.0.0.0
[V] Management VLAN 1
[M] IP address of DNS server 1 0.0.0.0
[N] IP address of DNS server 2 0.0.0.0
[D] Domain name
[R] Use Routing Information Protocol Enabled
—————————————————————— Actions ————————————————————
[P] Ping
[C] Clear cached DNS entries
[X] Exit to previous menu
Enter Selection:
3.
Once your IP configuration is set, back out to the Network Management menu.4.
Select [H] for HTTP Server Configuration. Notice that the default port is port 80. To reduce intrusion
possibilities, we suggest using another port.
Tip Keep in mind that although port 443 is a very common port for HTTP−encrypted transmissions,
in this case it is only a port—it is not secured at all.
5.
The HTTP server listens by default on TCP port 80 as seen here:6.
Catalyst 1900 − HTTP Server Configuration
—————————— Settings ————————————————
[H] HTTP Enabled
[P] HTTP Port 80
[X] Exit to previous menu
Enter Selection: P
However, it can be configured to listen on any other user−defined port. Port 23 can’t be used because
it is reserved for Telnet. To change the default port, select [P] from the HTTP Server Configuration
menu. Here is an example of changing the default HTTP port:
Enter HTTP port (0 to 65535):
Current setting ===> 80
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