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About the Link Local IP Address
The Ethernet Settings panel of the Connection Settings page displays a "Link
Local" IP address that is negotiated automatically by the SMD 101. The address cannot be
changed. This address provides a way for the decoder to communicate on the network in a
peer-to-peer fashion in the event that a DHCP server is unavailable.
How IP Addresses are Assigned in Networks
Three blocks of IPv4 addresses have been allocated for private networks:
•
192.168.0.0 - 192.168.255.255
•
172.16.0.0 - 172.31.255.255
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10.0.0.0 - 10.255.255.255
Addresses on a private network may be assigned to a device using any of the following
methods:
•
Statically by a network administrator using one of the above ranges of addresses
Dynamically using a Dynamic Host Configuration Protocol (DHCP) server using one of
•
the above ranges of addresses
•
Automatically by devices within the range reserved for Link Local addresses
(169.254.0.0 - 169.254.0.16).
Additional Factors for Link Local Addressing
Link local IP addresses use a separate range of addresses from those assigned by a DHCP
server so they cannot conflict with the server-assigned addresses.
Signals from devices using link local IP addresses are not routed by routers and gateways.
They stay within the local network. That makes it possible for many different LANs to use
the same range of link local IP addresses without creating conflicts.
Each LAN must use Network Address Translation (NAT) to hide private addresses and
present only one or few public addresses to other or larger networks
Network Port Mapping Panel
This panel provides basic Ethernet configuration that includes:
•
SFTP: — Set the port number for SFTP here. Check Enable to use the port.
•
SIS (SSH): — SSH provides a method for a SSH client to establish a secure connection
to the player at port 22023, which then supports the SIS command set.
Telnet (Extron SIS): — The port used by DataViewer or other telnet programs to
•
access the SMD 101. Check Enable to use the port.
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HTTP: — Set the port number for HTTP here. Check Enable to use the port.
SNMP: — Set the port number for SNMP here. Check Enable to use the port.
•
•
HTTPS/SSL: — Set the port number for HTTPS here. Check Enable to use the port.
NOTE: Changing or disabling this port while using the default port (80) causes a
loss of the connection. Try https://<SMD101 IP> to reconnect to port 443.
•
Serial Pass-through: — Set the port number for the serial pass-through feature here.
Check Enable to use the port.
•
Reset to Default — Click to return all port mappings to default.
SMD 101 • Web-based User Interface
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