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01-29-2010
12:01 PM
We have been experiencing a steady memory leak on our Cat6000 with Sup1/MSFC running hybrid CatOS/IOS. We suspect the issue is related to using the Sup1A as a VMPS server for the LAN, as the memory leak has worsened as the size of our vmps.cfg file grows (currently about 1100 lines). The leak can be seen as an increase in the amount of memory used by "Dot1x_Dhcp" as shown by a 'show proc mem' command. Below is the output after switch has been running about 24 hours. When the Free memory drops to about 11,000,000, the switch will no longer service logins at the console or respond to vmps client switches, resulting in clients losing network connectivity. (when this occurs, Dot1xDhcp is using 20Mb or more). The leak is now so severe that a reboot (or forced failover to 2nd Sup) is required every 4-5 weeks. We have a C6509 with Sup2/MSFC2 waiting to replace this switch, but the lack of VMPS support in native IOS is a problem - we do not have the resources to switch to dot1x at this time, as it would require replacement of about 40 edge switches (2900/3500XL) that don't support dot1x. We're hoping for a solution to this problem that will allow us to keep this switch in service another 4-6 months while we plan for dot1x and native IOS migration. Any suggestions appreciated. Memory Used: 15141408 Free: 26421056 Total: 41562464 PID TTY Allocated Freed Holding Process ---------- ---------- ---------- ---------- ---------- --------------- 1 -2 13286272 3258112 10028160 Kernel and Idle 2 -2 192 0 192 Flash MIB Updat 3 -2 192 0 192 L2IntHdlr 4 -2 0 0 0 EobRecoveryProc 5 -2 762304 704608 57696 SynDiags 6 -2 128 0 128 GenMsgHndlr 7 -2 2169024 1065312 1103712 SynConfig 8 -2 64 0 64 TempMon 9 -2 0 0 0 System_CrashInf 10 -2 3456 0 3456 IDLE_Tasks 11 -2 320 128 192 PowerMgmt 12 -2 15716416 15716064 352 Debug Port Coun 13 -2 137568 37088 100480 SL_TASK 14 -2 1115328 185280 930048 RedundantTask 15 -2 12073728 12071232 2496 Status Poll 16 -2 64 0 64 SWPoll64bCnt 18 -2 43904 42208 1696 VMPS_Task 19 0 971904 970368 1536 HavailTask 20 -2 4224 0 4224 SyncTask 21 -2 338400 338368 32 Earl 22 -2 16608 0 16608 TablefullTask 23 -2 1109408 1101952 7456 DTP_Rx 24 -2 489440 311808 177632 EthChnlRx 25 -2 0 0 0 llcSSTPFlood 26 -2 692800 251168 441632 EthChnlConfig 27 -2 20256 18336 1920 FlexlinkRx 28 -2 102560 0 102560 SecurityRx 29 -2 55328 54016 1312 ACL 30 -2 136224 108416 27808 DhcpSnooping 31 -2 48128 28512 19616 Authenticator_S 32 -2 32 0 32 Backend_SM 33 -2 160 0 160 dot1x_rx 34 -2 775648 0 775648 Dot1x_Dhcp 35 -2 160 0 160 GrpManager 36 -2 32 0 32 Backend_Rx 37 -2 32 0 32 Radius Acct Pro 38 -2 981280 976896 4384 NetFlow 39 -2 0 0 0 L3Aging 40 -2 64 0 64 MlsHa 41 0 190464 188608 1856 SptTimer 42 0 6368 6208 160 SptBpduRx 43 0 160 0 160 SptBpduTx 44 0 0 0 0 sptTraps 45 -2 160 0 160 GL2Prot_Tunnel 46 -2 224 0 224 VtpTimer 47 0 36928 0 36928 Read Stats Task 48 0 64 0 64 QDE Task 49 0 64 0 64 BcastSuppr Task 50 -2 448 192 256 oam_tx_proc 51 -2 160 0 160 oam_rx_proc 52 -2 23282848 23282688 160 oam_monitoring_ 53 -2 524352 0 524352 NvramMonitor 54 -2 160 0 160 DeviceLinkChk 55 -2 1504 0 1504 gentcp_act 56 -2 974432 948320 26112 McastRx 57 -2 185504 132000 53504 RouterConfig 58 -2 13940288 13929856 10432 cdpd 59 -2 32721568 32721344 224 cdpdtimer 60 -2 0 0 0 sptTraps 61 -2 224 0 224 ProtocolFilter 62 -2 544 0 544 MacMoveNotTask 63 -2 512 480 32 telnetd 64 -2 32 0 32 connecthelper 65 -2 32 0 32 tftpd 66 -2 6559872 6559776 96 ProtocolTimer 67 -2 64 0 64 ciscoRmonTimer 68 -2 64 0 64 ciscoUsrHistory 69 -2 96 0 96 rmonMediaIndep 70 -2 0 0 0 SnmpTraps 71 -2 0 0 0 memPoolMain 73 -2 64 0 64 RMON AlarmTimer 76 -2 32 0 32 Acct Send Bkg 77 -2 128 0 128 l2t_server 79 -2 32 0 32 SysLogTask 80 -2 160 0 160 pinggateA 81 -2 96 0 96 MacAuthProc 82 -2 96 0 96 AuthControlMgr 83 -2 32 0 32 McastIgmpTimer 84 -2 32 0 32 IGMPQuerierProc 85 -2 96 0 96 M-MLS_stats 86 -2 4416 64 4352 M-MLS_manager 87 -2 67232 15840 51392 QoSTask 88 -2 7840 7776 64 GBIC Process 89 -2 32 0 32 HPActive 90 -2 96 0 96 HPTrapMgr 143 -2 288 0 288 VtpRx 144 0 112352 57696 54656 Console 145 -2 100227136 99821664 405472 snmpdm 146 -2 19637440 19636640 800 SNMP_THREAD 147 2241991444 97056 33568 63488 telnet147 156 -2 2101504 2010944 90560 AclManager Memory Pool Utilization Memory Pool Type 1Min 5Min 10Min ---------------- ----- ----- ----- DRAM 55% 55% 55% FLASH 87% 87% 87% NVRAM 67% 67% 67% MBUF 4% 4% 4% CLUSTER 9% 9% 9% MALLOC 36% 36% 36% show ver: WS-C6006 Software, Version NmpSW: 8.5(1) Copyright (c) 1995-2005 by Cisco Systems NMP S/W compiled on Oct 22 2005, 11:28:54 System Bootstrap Version: 5.3(1) System Boot Image File is 'bootflash:cat6000-supk8.8-5-1.bin' System Configuration register is 0x2 Hardware Version: 2.0 Model: WS-C6006 Serial #: TBA04290439 PS1 Module: WS-CAC-1300W Serial #: SNI06120229 PS2 Module: WS-CAC-1300W Serial #: ACP03280942 Mod Port Model Serial # Versions --- ---- ------------------- ----------- -------------------------------------- 1 2 WS-X6K-SUP1A-2GE SAD04260GEA Hw : 3.2 Fw : 5.3(1) Fw1: 5.1(1)CSX Sw : 8.5(1) Sw1: 8.5(1) WS-F6K-PFC SAD041701CC Hw : 1.1 Sw : 2 2 WS-X6K-SUP1A-2GE SAD04510V1L Hw : 7.0 Fw : 5.3(1) Fw1: 5.4(2) Sw : 8.5(1) Sw1: 8.5(1) WS-F6K-PFC SAD04510GPE Hw : 1.1 Sw : 3 8 WS-X6408A-GBIC SAD0429002D Hw : 1.3 Fw : 0.0 Sw : 8.5(1) 4 24 WS-X6224-100FX-MT SAD03310103 Hw : 2.0 Fw : 0.0 Sw : 8.5(1) 5 16 WS-X6516-GE-TX SAL08517EJK Hw : 2.6 Fw : 0.0 Sw : 8.5(1) 6 16 WS-X6316-GE-TX SAD0732056W Hw : 1.3 Fw : 0.0 Sw : 8.5(1) 15 1 WS-F6K-MSFC SAD04260JH6 Hw : 1.4 Fw : 12.1(26)E4 Sw : 12.1(26)E4 16 1 WS-F6K-MSFC SAD04030BBG Hw : 1.4 Fw : 12.1(26)E4 Sw : 12.1(26)E4 DRAM FLASH NVRAM Module Total Used Free Total Used Free Total Used Free ------ ------- ------- ------- ------- ------- ------- ----- ----- ----- 1 130944K 73308K 57636K 15616K 13589K 2027K 512K 346K 166K 2 130944K Uptime is 0 day, 22 hours, 37 minutes
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| Date Registered | 01-28-2010 03:12 PM |
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