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ME60 print Daa user alloc qosresource fail log result from limitation of DAA user number exceeded

Publication Date:  2014-12-01 Views:  71 Downloads:  0
Issue Description

【Problem Summary】 ME60 print Daa user alloc qos resource fail alarm. It suppose equipment QOS resources were exhausted. Please help to find out root cause and solution.
【 ProblemDetails 】

Version:
ME60 V600R007C00SPC300

Networking diagram:
NA

Problem description:

We found Equipment print error  log as following:

 

Sep 22 2014 20:43:21 PPP %%01UCM/3/DAA_QOS_ALLOC_FAIL(l)[1022360]:Daa user alloc qos resource fail.CID=16039

Sep 22 2014 20:43:21 PPP %%01UCM/3/DAA_QOS_ALLOC_FAIL(l)[1022361]:Daa user alloc qos resource fail.CID=89789

 

Handling Process

1.We checked  and found that online user access from not ETM subcard

[ PPP ] display version     slot 5

BSU5 . uptimeis 32 days, 20 hours, 12 minutes

StartupTime     2014, 08 / 21     18:51: 12

Host       processor.

SDRAMMemorySize. 4096M bytes

FlashMemorySize. 128M bytes

ME0DBSUFA070 versioninformation

PCB                 Version: CR57LPUF120A REVA---- LPUF120

EPLD               Version: 100

FPGA               Version: 100

BootROM         Version: 17.0

BootLoad       Version: 21.0

FSURTP           Version: Version 2.1 RELEASE 0372

FSUKERNEL     Version: Version 1.0 RELEASE 0372

ASE                 Version: 000

PE                   Version: 000

PIC0 ME0D0L6XXB7H versioninformation.

PCB                 Version: CR57L6XFB REVA

FPGA               Version: 101

PIC1 ME0D0L6XXB7H versioninformation.

PCB                 Version: CR57L6XFB REVA

FPGA               Version: 101

Mon IT orBUSversioninformation.

S       Version: 10.41

Configurelicense IT ems.

Null

[ PPP - diagnose ] display devicepic - status

Pic - statusinformationinChassis1:

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

SLOTPICStatus         Type                                     Port _2 countIn IT result     Logic_down

The      .     Registered LAN_WAN_6x10GF_B_CARD :                   SUCCESS             SUCCESS          --not ETM subcard

The      .     Registered LAN_WAN_6x10GF_B_CARD :                   SUCCESS             SUCCESS          --not ETM subcard

The      .     Registered ETH_24xGF_B_CARD             24               SUCCESS             SUCCESS

The      .     Registered LAN_WAN_6x10GF_B_CARD :                   SUCCESS             SUCCESS          --not ETM subcard

The      .     Registered LAN_WAN_6x10GF_B_CARD :                   SUCCESS             SUCCESS          --not ETM subcard

The      .     RegisteredDVSU A_SP _ CARD                    .              SUCCESS             SUCCESS

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

 

We confirmed the limit of DAA user  for  not ETM subcard:

8car:16k user per subcard

4car:32k user per subcard

In live network, the value-added service profile configuration is  tariff-level 1 and apply for 4car. That means the limit of DAA user is 32K.

2. Check out the max. number of online user on the board

 

[PPP-diagnose] display max-onlineusers slot 1

Maxonlineuserssincestartup                         31440.

Timeofmaxonlineusers                                     2014 -09 -21 21:08: 37

Maxaccounting - readyuserssincestartup    : 31437

Timeofmaxaccounting - readyusers                 2014 -09 -21 21:22: 19

[PPP-diagnose] display max-onlineusers slot 5

Maxonlineuserssincestartup                         33478.

Timeofmaxonlineusers                                     2014 -09 -21 21:06: 24

Maxaccounting - readyuserssincestartup    : 33475

Timeofmaxaccounting - readyusers                 2014 -09 -21 21:06: 24

The max. number of user have ever exceeded 32K in slot 5.Over part of the users cannot obtain the DAA resources and system print error log.

3.Find the user without obtaining resource (Command: display value-added-service user-information statistics verbose)

To query online user without obtaining resource  and found they are all in Slot 5.

Conclusion: The number of DAA user exceeds maximum limit of subcard. Partial user cannot apply for DAA resource and print error log.
Root Cause

The number of DAA user  exceeds maximum limit of subcard. Partial user cannot apply for DAA resource and print error log.

Solution

Resolution Summary:

This is normal symptom, this board support 32K DAA user at maximum, but customer have 35K users online at the same time.

Resolution Details:

 

Solution Analysis:

The board support 32K DAA users at maximum but customer have 35K users online at the same time. That cause some later online users cannot get the DAA resource. It is normal.

Resolution Detail:

It is normal symptom and not affect the normal service.We  suggest customer to reduce users per board.

Risk of Solution:Risky Operation.

 

Suggestions

LPUG -120/LPUG -51/LPUG -101

1.Not ETM subcard:

Maximum of DAA user number: 16 K user for 8car per subcard, 32 K user for 4car per subcard. (ingress and egress are the same)

2.ETM subcard:

(1)Maximum of DAA user number for ingress: 32 K user for 8car per subcard, 64 K user for 4car per subcard. However The limitation of subcard will be 32k user due to TM SQ specification.

(2)Maximum of DAA user number for egress: maximum limit of DAA user number of subcard is 32k user. maximum limit of DAA user number of board is 64k user.

 

Note: For Tariff-level ,configuration only have 1 to 4 is 4card mode and configuration have 5 to 8 is 8card mode in DAA service profile.

END