Description

Potential memory leak in RPD when the TCP connection tries to establish however no route is present 

 

This issue might be seen if the following conditions are met:

  • On Junos OS Evolved.
  • When an application is initiating a TCP connection frequently
  • When RPD has TCP connection setups failed because there is no route to the specified destination 

 

Jul 23 06:45:04.221 test_router rpd[14053]: JTASK_CONNECT: task BGP_328366.2001:12f8::214:185 addr 2001:12f8::214:185+179: No route to host

Jul 23 06:45:04.221 test_router rpd[14053]: BGP_CONNECT_FAILED: bgp_connect_start: connect 2001:12f8::214:185 (External AS 328366) (instance master): No route to host

 

Symptoms

High RPD/System memory


root@router> show system errors active detail


System Active Errors Detail Information

RE 0

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

Error Name      : node_memory_availability_critical

Identifier      : /re/0/emfd-fpa/0/re0/0/mem_mgmt/0/node_memory_availability_critical

Description     : node_memory_availability_critical

State        : enabled

Scope        : board

Category       : functional

Level        : major

Threshold      : 1

Error limit     : 1

Occur count     : 1

Clear count     : 0

Last occurred(ms ago) : 2024-07-22 02:16:43 PDT (373778941 ms ago)


RPD memory


Pid  VM-Kbytes( % ) Resident( % ) Process-name


14053 26404152(  3) 20138028(  18) /usr/sbin/rpd

14053 27272504(  3) 20872824(  18) /usr/sbin/rpd

14053 27764024(  3) 21282792(  19) /usr/sbin/rpd

14053 28235064(  3) 21667168(  19) /usr/sbin/rpd

14053 28669240(  3) 22021096(  19) /usr/sbin/rpd

14053 29115704(  3) 22366888(  20) /usr/sbin/rpd

Solution

There is no workaround, hence please contact the JTAC for Software Version which has the fix.

Modification History

2024-11-14 : Article Created