Hello,

within the Create Session request message on the S11 inteface the wireshark within Bearer Context IE decodes Bearer Level Quality of Service (Bearer QoS) in ARP field the wireshark decoded preemption values

        .... ...1 = PVI (Pre-emption Vulnerability): Enabled
        ..00 01.. = PL (Priority Level): 1
        .1.. .... = PCI (Pre-emption Capability): Enabled

from within the 3GPP a different value seems to be given:

First 29.274 Section 8.15 Bearer Quality of Service (Bearer QoS) and further reference to Spec 29.212
5.3.46 Pre-emption-Capability AVP PRE-EMPTION_CAPABILITY_ENABLED (0) PRE-EMPTION_CAPABILITY_DISABLED (1)

5.3.47 Pre-emption-Vulnerability AVP PRE-EMPTION_VULNERABILITY_ENABLED (0) PRE-EMPTION_VULNERABILITY_DISABLED (1)

So in other words: the wireshark wants to make us believe that value 1 is enabled while the 3GPP states that value 1 is disabled.

How to explain this mismatch?

Best regards

Dieter

asked 23 Jul '12, 01:18

demx1874's gravatar image

demx1874
112
accept rate: 0%


A bug in Wireshark.

link

answered 23 Jul '12, 08:07

Anders's gravatar image

Anders ♦
1.9k126
accept rate: 15%

Your answer
toggle preview

Follow this question

By Email:

Once you sign in you will be able to subscribe for any updates here

By RSS:

Answers

Answers and Comments

Markdown Basics

  • *italic* or _italic_
  • **bold** or __bold__
  • link:[text](http://url.com/ "Title")
  • image?![alt text](/path/img.jpg "Title")
  • numbered list: 1. Foo 2. Bar
  • to add a line break simply add two spaces to where you would like the new line to be.
  • basic HTML tags are also supported

Tags:

×1

Asked: 23 Jul '12, 01:18

Seen: 298 times

Last updated: 23 Jul '12, 08:46

Related questions

powered by OSQA