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Cisco ASR 1002 issue

Hello all,

I have 1 Cisco ASR 1002 configured as a normal edge router connecting to ISP.

When i used ftp service from PC outside to servers inside, the FTP service ran normally in the morning but it is slower by afternoon and till the end of the working day, client PC couldn't work anymore

So, i restarted ASR 1002 and it did work well again

The next day, i replaced ASR 1002 with Cisco router 2801, configured the same extractly. And there's not problem anymore.

Then, I tried ASR 1002 and it's in trouble again. Now, i have to use 2801.....

 

I have checked log and see:

 

*Feb 19 14:10:58.143: %QFPOOR-4-LOWRSRC_PERCENT: F0: cpp_ha:  QFP 0 DRAM resource low - 97 percent depleted

*Feb 19 14:36:22.271: %QFPOOR-4-LOWRSRC_PERCENT: F0: cpp_ha:  QFP 0 DRAM resource low - 98 percent depleted

*Feb 19 15:02:16.368: %QFPOOR-4-LOWRSRC_PERCENT: F0: cpp_ha:  QFP 0 IRAM resource low - 99 percent depleted

 

So i did use command:

show platform hardware qfp active infra exmem statistics user:

Type: Name: IRAM, QFP: 0

  Allocations  Bytes-Alloc  Bytes-Total  User-Name                                

  -------------------------------------------------------------------------------

  1            115200       115712       CPP_FIA                                  

  1902         125440704    126597120    NAT                                      

Type: Name: GLOBAL, QFP: 0

  Allocations  Bytes-Alloc  Bytes-Total  User-Name                                

  -------------------------------------------------------------------------------

  7            14544        18432        P/I                                      

  7            270696       274432       CEF                                      

  1            512          1024         B2B HA                                   

  1            1138256      1138688      QM RM                                    

  1            16384        16384        Qm 16                                    

  1            524288       524288       TCAM                                     

  3            4210688      4210688      ING_EGR_UIDB                             

  1            835584       835584       ING EGR INPUT CHUNK_Config_0             

  1            16384        16384        ING EGR INPUT CHUNK_Sm_Name_0            

  1            32768        32768        ING EGR INPUT CHUNK_Lg_Name_0            

  1            770048       770048       ING EGR OUTPUT CHUNK_Config_0            

  1            16384        16384        ING EGR OUTPUT CHUNK_Sm_Name_0           

  1            32768        32768        ING EGR OUTPUT CHUNK_Lg_Name_0           

  1            16384        16384        ING EGR OUTPUT CHUNK_Queue_0             

  1            16384        16384        ING-EGR_IfMap_0                          

  4            25856        28672        GIC                                      

  1            1048576      1048576      PLU Mgr_CEF_0_0                          

  1            1048576      1048576      PLU Mgr_CEF_0_3                          

  1            1048576      1048576      PLU Mgr_CEF_0_7                          

  1            1572864      1572864      PLU Mgr_CEF_0_8                          

  1            1048576      1048576      PLU Mgr_PLU_GLOBAL_0_0                   

  1            1048576      1048576      PLU Mgr_PLU_GLOBAL_0_1                   

  1            786432       786432       PLU Mgr_PLU_GLOBAL_0_2                   

  1            1048576      1048576      PLU Mgr_PLU_GLOBAL_0_3                   

  1            1310720      1310720      PLU Mgr_PLU_GLOBAL_0_4                   

  1            786432       786432       PLU Mgr_PLU_GLOBAL_0_5                   

  1            917504       917504       PLU Mgr_PLU_GLOBAL_0_6                   

  1            1048576      1048576      PLU Mgr_PLU_GLOBAL_0_7                   

  1            1572864      1572864      PLU Mgr_PLU_GLOBAL_0_8                   

  21           5223968      5235712      ALG                                      

  3            4400         7168         LI                                       

  1            64           1024         cpp_li_sbs_client                        

Type: Name: GLOBAL, QFP: 0

  Allocations  Bytes-Alloc  Bytes-Total  User-Name                                

  -------------------------------------------------------------------------------

  5            34836        38912        SSLVPN                                   

  1            2048         2048         SMI                                      

  1            40           1024         cpp_smi_sbs_client                       

  1            6528         7168         cpp_pbr_sbs_client                       

  3            1540836      1543168      TD                                       

  787          64665040     65135616     NAT                                      

  3            24000        24576        TUNNEL                                   

  1            4384         5120         ERSPAN                                   

  1            112          1024         cpp_erspan_sbs_client                    

  12           627008       630784       ESS                                      

  2            32           2048         ICMP                                     

  1            32000        32768        cpp_icmp_sb_chunk                        

  1            524288       524288       QoS 1024                                 

  1            4096         4096         SPAMARMOT                                

  1            32768        32768        ethernet                                 

  1            16384        16384        PALCI CLIENT                             

  3            8064         9216         cpp_punt_sbs_client                      

  1            320          1024         punt path chunk 0                        

  1            32000        32768        punt subblock chunk                      

  21           8064         21504        punt policer chunk                       

  17           515984       529408       PKTLOG                                   

  1            512          1024         queue info chunk 0                       

  1            16           1024         CPP IPHC                                 

  7            1286432      1288192      IPFRAG                                   

  1            16000        16384        cpp_ipfrag_sb_chunk                      

  10           26048        34816        cpp_ipfrag_sbs_client                    

  1            32000        32768        cpp_ipreass_sb_chunk                     

  1            16000        16384        cpp_ipreass_cur_dgram_cnt_chunk          

  1            64000        64512        cpp_ipvfr_sb_chunk                       

  1            64000        64512        cpp_ipv6reass_sb_chunk                   

  1            6528         7168         sbs_cef                                  

  1            16000        16384        cpp_tunnel_subblock                      

Type: Name: GLOBAL, QFP: 0

  Allocations  Bytes-Alloc  Bytes-Total  User-Name                                

  -------------------------------------------------------------------------------

  1            32000        32768        cpp_ipv4_tunnel_hash_elem                

  1            4096         4096         NAT SB                                   

  1            16384        16384        cpp_pbr_action_chunk   

 

I found : NAT is the feature that hold most of the memory. What can i do now

1 REPLY

I think your best bet is to

I think your best bet is to open a case with Cisco TAC. It sounds like you may be running into a bug since that platform is designed for a large number of NAT sessions.

 

Regards,

Mike

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