Hi,
Could you please provide the following details?
1) SEPM version
2) Operating System details
3) Have you done any changes in SEPM, OS? Since facing this issue?
4) How did you identified SEMWEBSRV Service generating huge traffic
Please provide scm-server-0 & Catalina.out logs, both will be present under tomcat\logs.
Could you please provide the event id Screenshot.