Wireshark-bugs: [Wireshark-bugs] [Bug 12982] New: Dissection engine falsely asserts that EIGRP p
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 05 Oct 2016 18:41:47 +0000
Bug ID 12982
Summary Dissection engine falsely asserts that EIGRP packet's checksum is incorrect
Product Wireshark
Version Git
Hardware All
OS All
Status UNCONFIRMED
Severity Normal
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter g.djavadyan@gmail.com 

Created attachment 14977 [details]
EIGRP packet with allegedly bad checksum

Build Information:
Version 2.3.0 (v2.3.0rc0-805-g064f4d1 from unknown)
--
Dear Wireshark developers,

The dissection engine falsely asserts that EIGRP packet's checksum is
incorrect, although it is absolutely correct according to [1]. Below is excerpt
from RFC7868:

---
The checksum will be the standard ones' complement of the ones' complement sum.
 For purposes of computing the checksum, the value of the checksum field is
zero.
---

[1] https://tools.ietf.org/html/rfc7868#section-6.5

The packet is attached. Thanks.

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