TSP Lab	Sga_GnMon2 - The GTP Monitor	Sga_GnMon2

The GTP Monitor module

Features

Monitors Gn interface between USGSN and GPRS SGSN
Receives Ethernet traffic from GyTapper
Separates GTP-U and GTP-C and GTP' protocols and decodes GTP-C content in detail
Forwards decoded encryption information to a remote machine (KeyServer)

Menu	Menuitem	Shortcut(s)	Meaning
[Log]
	Find line containing...	(Ctrl-F)	Finds text in log window
	Find next matching line	(F3)	Finds next occurrence of text in log window
	Details		Detail level of logging (Off, Normal, Detailed, or Debug)
	Flush status-line counters		Writes status counters into the log These counters have been flushed once a day automatically.
	Flush & reset status-line counters		Clears status counters after writing them into the log
[KeyServer]
	Allow autoconnect	(Ctrl-A, or )	Permits of connection to KeyServer.
	Reload forwarding filters		Reloads IP address list from `Sga_GnMon2.ini/[Filters (destination)]` section to filter captured MSU's
	Disconnect now!		Breaks off KeyServer connection
[Options]
	Auto scroll	(ScrollLock, or )	Allows automatic scrolling of the log screen
	Save settings		Saves actual settings into the configuration file

Captured N bytes in M packets: amount of received bytes and number of received packets
- now from X GyTapper: number of currently connected GyTapper modules
Uptime: time elapsed since module has been started up
KS: the state of connection to KeyServer
Fwd'd X {IMSI,AuthData} pairs: number of authentication data that have been forwarded to KeyServer
- filtered M MSUs: number of MSUs that have been filtered out based on forwarding filters (Sga_GnMon2.ini/[Filters (destination)])

Section	Entry	Example	Meaning
[Position]
	iLeft	140	Position of the program module on the display screen
	iTop	72	Position of the program module on the display screen
	iWidth	995	Position of the program module on the display screen
	iHeight	694	Position of the program module on the display screen
[Options]
	bAutoScroll	True	(Refer to the `[Options]/Auto scroll` menu item!)
[GyTapper]
	wLocalPort	7777	TCP port wher GyTapper can connect to
	10.117.144.111	GyTapper machine	IP address and a name of allowed machines to connect (many IP addresses can be listed in this section)
[KeyServer]
	bAllowAutoConnect	False	(Refer to the `[KeyServer]/Allow autoconnect` menu item!)
	sIPAddress	127.0.0.2	IP address of KeyServer
	wTCPPort	7002	Port where KeyServer is listening to GTP Monitor
[Filters (destination)]
	sAllowIPAddress#{0..31}	172.28.248.1	Messages having Destination IP address on this list will only be forwarded to the KeyServer
[Advanced]
	wLogDetailLevel	3	(Equals to the listed order; refer to the `[Log]/Details` menu item!)
	dwMaxLinesInLogWindow	1000	Number of lines in the log window on screen
	sLogFilesPath	d:\GPRS\Logfiles	Path for the LOG files