IP Telephony and QSIG Over IP

CTX IP Troubleshooting

Capture Points

The capture point for the BIPU and the IPT are shown in Figure 9-12.

Strata CTX

BIPU

Switch

IP Network

Switch

 

 

 

 

 

IPT

 

Capture point for BIPU

 

Capture point for IPT

6707

Figure 9-12 Capture Point Locations

How To Capture Packets

Using Repeater Hub (Dumb Hub)

If you want to use a repeater hub (dumb hub) for troubleshooting, it should be connected as shown in Figure 9-13.Toshiba does not recommend the use of the repeater Hub to be unable to ensure the voice quality. A repeater hub should only be used for resolving the problems.

Strata CTX

BIPU

Repeater

Switch

IP Network

 

 

 

 

 

6709

 

 

Monitor

 

 

 

device

 

Figure 9-13 Repeater Hub Location

Using Switching Hub with Mirroring Function

By using mirroring function, it is possible to capture all send/receive data to one specific port (it’s called source port). See Figure 9-14.

Mirror port

Source port

Switch

IP Network

Monitor

 

device

IPT

6708

Figure 9-14 Switching Hub with Mirroring Function

IP Telephony and QSIG Over IP

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Toshiba CTX28 manual Capture Points, How To Capture Packets, Using Repeater Hub Dumb Hub