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authorDave Barach <dave@barachs.net>2020-06-10 17:07:32 -0400
committerDave Barach <openvpp@barachs.net>2020-06-16 11:50:17 +0000
commit4330c46abb78882fc453b1b682ac4f12a22b5e68 (patch)
tree408fee677cb70bb723001c60c6b14b53e12fd775 /docs
parentcf9bb22a9483b97b00b7dcacc35b37ae0fcaefbe (diff)
interface: add minimal vpp pkt trace for error-drop
Provide a minimal trace [ip4/ip6 src/dst address] for dropped pkts when the user specifies "trace add error-drop XXXX", but does not trace pkts from the original input node. This is a wireshark dissector problem. Packets thrown at error-drop may be well-formed, or not. VPP must not crash, no matter what. The minimal trace capture and decode could be enhanced. Anyone interested in doing that must consider all of the corner-cases involved. This version should be at least somewhat useful. Note that "pcap trace drop ..." - and the packet generator - seem like the right tools to use when researching more complex issues. Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I961ca133980ffa2a1e5707879a443b21442ed894
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