Symptom

MSDP peer socket setup fails with below syslogs: 2016 Mar 23 11:49:42 sys04-tor2 %MSDP-3-SOCKET_ERROR: msdp [15131] In msdp_setup_socket(), tsp_socket() failed with errmsg: Too many open files 2016 Mar 23 11:49:42 sys04-tor2 %MSDP-3-SETUPSOCKET_ERROR: msdp [15131] In msdp_connect_main(), msdp_setup_socket failed to create connection with 10.115.115.115

Conditions

- Shut the MSDP peer session interface down for approximately greater than 8 hours for around 8 MSDP peers - Unshut the MSDP peer session interface - MSDP peer socket setup fails with syslogs

Workaround

- Restart MSDP process using "restart msdp" command

Further Problem Description