Cisco D9824, Installation And Configuration Manual

Page: 269 / 416

Configuring System Settings
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b Set the number of CIDR (Classless Inter-Domain Routing) bits in the network
Mask field (8 to 30).
c In the Gateway Address field, enter the gateway address on the Network,
used to expose the receiver to a WAN. The IP Address, IP Mask, and
Gateway Address should be changed together, that is, as a group. The
following table shows the most commonly used Subnet mask values to enter
for a chosen IP address mask, which will depend on the size of your network.
Mask Subnet Mask
8 255.0.0.0
16 255.255.0.0
24 255.255.255.0
d From the PHY Mode drop-down list, choose the speed and duplex type of
the interface. Choose Auto for PHY to negotiate speed and duplex with other
devices on the network, or choose 10 HD (half-duplex), 10 FD (full-duplex),
100 HD, 100 FD, or 1000 FD to lock into a fixed mode. Otherwise, choose
N/A. The default is Auto.
e Click Save .
Protocol Control Settings
The Protocol Control area allows you to control remote access protocols to the IRD
(Telnet, SSH, HTTP, HTTPS (via HTTP secure setting, and SNMP).
1 From the Telnet , SSH , HTTP , and SNMP drop-down list, choose Enable
(default) to allow Telnet, Secure Shell, HTTP, and/or SNMP connections.
Otherwise, choose Disable .
The following lists the associated port numbers for each protocol:
Protocol Port Number
Telnet TCP port #23
SSH TCP port #22
HTTP TCP port #80
HTTPS (via HTTP
secure setting) TCP port #443
SNMP UDP port #161
For information on accessing TCP/IP services, see Accessing TCP and UDP
Services (on page 82).
The HTTP field has an additional Secure setting for an encrypted access to the
webserver (HTTPS).
a From the HTTP drop-down list, choose Secure . A confirmation message that
you will be logged out automatically is displayed.