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Level 2:
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Hostname
System description with version information
Capabilities (Tells the network that the OWSPA311g is a station only)
System services (TCP Listener on / UDP Receiver on)
Level 3 (default):
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Peer list (Sends a list of all currently connected peers including port)
The levels are additive. Level 3 will always include all lower levels. Level 2 will always include
Level 0,1,2 but not 3. You adjust the levels with ATS4011.
LLDP can also be used as a keep-alive packet for the access point. If the module remains idle
and in power save for longer periods some access points will try to disassociate the module.
However, not all access points will wake up the module from its sleep state before sending the
disassociate packet. This means that the module will never know it has been disassociated. By
regularly sending out a packet, the access point will know that the module is still alive.
8.2 TCP/IP Configuration
The OWSPA311g has an internal IP stack. This stack needs to be configured before connecting
to a network. This can be done manually or via DHCP. The OWSPA311g can also act as a DHCP
server, serving other devices on the net with IP configurations.
Manual IP Configuration
If manual configuration is required use the IP Settings command, AT*ANIP, to set address and
other IP related information. Also, DHCP functionality needs to be deactivated using the DHCP
Activation command, AT*ANDHCP. If DHCP is activated, this will take precedence over settings
made with AT*ANIP.
It is also possible to set DNS servers. If DNS servers are set, it is then possible to address remote
peers via hostnames instead of IP addresses. Use the DNS Settings command, AT*ANDNS, to set
up to 2 DNS servers. E.g. An URL of tcp://192.168.0.23:5003 can then be replaced with
tcp://sensor1.example.com:5003.
DHCP Client
OWSPA311g can also retrieve IP address, netmask, gateway, and DNS servers from a DHCP
server.
To activate the DHCP client use the DHCP Activation command, AT*ANDHCP. Information re-
trieved via DHCP takes precedence over manually configured.
E.g.
AT*ANDHCP=1,1
DHCP Server
The OWSPA311g can also act as a DHCP server serving other devices on the subnet with IP ad-
dresses. This is convenient setup if the OWSPA311g is configured as a listener waiting for other
devices to connect.
When configured for DHCP server, the OWSPA311g itself needs a manual configured IP ad-
dress. This is set using the AT*ANIP command.
Version 1.6.6 - 2009-11
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