NS3 SendTo


 
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Old 11-21-2011
NS3 SendTo

Hi,
I am working to implement a basic WiFi infrastructure in NS3. I have placed 16 APs in grid and one client is moving using random walk. Client and AP can communicate through message exchange. However, when I try a message of size more than 30 bytes, it is crashed. Please help me if anyone have any idea.

Thanks
Sourav
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ap-trapd(8)						      System Manager's Manual						       ap-trapd(8)

NAME
ap-trapd - a SNMP trap processing daemon SYNOPSIS
ap-trapd [ -i device ] [-u user ] [-s] DESCRIPTION
ap-trapd It's a SNMP trap processing daemon that accepts traps, parse them and store useful data using syslog, at logging LEVEL0. Specify device to listen for SNMP traps on the particular device (this option only works at Linux). To be running by user different from nobody you may specify user. To correct work with Smartbridges APs specify -s key (they use specific traps). Utility added to ap-utils from version 0.8. SYSLOG
To store traps to own log file you may add next string to your /etc/syslog.conf local0.* /var/log/ap-traps.log After doing it, just restart syslogd with command like killall -HUP syslogd TRAPS
When a trap is received, a message will be logged indicating that an action happened to the Access Point such as: Trap Reassociation: This trap message is sent when a Station reassociation request is received from Access Point. Trap Association: Indicates the reception of an association request packet and the sender Station's successful association with the Access Point. Trap Disassociation: This trap message is sent when a disassociation notification packet is received from a Station. Trap Reset: This trap message is sent when Access Point Resets. Trap Setting IP Address with Ping: This trap message is sent when the Access Point IP address is set with the transmission of a ping message. Trap Start Up: This trap message is sent when the Access Point Starts Up. Trap Failed To Erase Flash: This trap message is sent when Access Point Failed To Erase Flash. APClientScanning Access Point Client is scanning... APClientAuthenticating Access Point Client is authenticating with the AP. APClientAssociating Access Point Client is associating with the AP. APClientReAssociating Access Point Client is reassociating with the AP. APClientAuthenticationFailed Access Point Client has failed authenticating with the AP. APClientAssociationFailed Access Point Client has failed associating with the AP. APClientConnected Access Point Client has been connected with the AP. APClientDisconnected Access Point Client has been disconnected from the AP. APClientScanFailed Access Point Client has failed scanning! APClientJoinFailed Access Point Client has failed joining! APClientJoining Access Point Client is in join state. Smartbridges specific TRAPS MultiAttachedStation Multiple attached stations in the ethernet size SECURITY Utility ap-trapd must be running by 'root', after opening port utility change owner to 'nobody', so this user must exist in you sys- tem. You may set user using -u option as described below for change default unprivileged user. AUTHOR
Roman Festchook <roma@polesye.net> http://ap-utils.polesye.net SEE ALSO
ap-config(8), ap-mrtg(8), syslogd(8) Wireless Access Point Utilities for Unix ap-trapd(8)