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SNA Link fails with LAN_ALERT6 with PCIe3 4-port 10 GbE adapter (FC EN2W and FC EN2X; CCIN 2F04)

Troubleshooting


Problem

SNA LS session is closed because of disordered SNA packets.

Symptom

The SNA link fails.
 
The following message is recorded in the sna.err log:
2024-11-05 16:06:53 JST 1536-14(0-10) E (snahost)
GDLC detected LS outage.
LS     = ethLS
Outage = protocol error (-906)
The following messages are logged in the system errpt:
LABEL:  LAN002A
IDENTIFIER: 299C3AF5
LABEL: LAN_ALERT6
IDENTIFIER: 234A349C
FRAME REJECT RECEIVED: INVALID N(R) SENT

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB08","label":"Cognitive Systems"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SWG10","label":"AIX"},"ARM Category":[{"code":"a8m0z000000cvzIAAQ","label":"Networking"}],"ARM Case Number":"","Platform":[{"code":"PF002","label":"AIX"}],"Version":"All Versions"},{"Type":"MASTER","Line of Business":{"code":"LOB70","label":"Z TPS"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSKK8Z","label":"Communications Server for Data Center Deployment"},"ARM Category":[{"code":"a8m0z0000001jSmAAI","label":"Comm Server DSD Linux V7"}],"Platform":[{"code":"PF002","label":"AIX"}],"Version":"All Versions"}]

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Document Information

Modified date:
26 May 2025

UID

ibm17231384