3000978 - Replication stops due to network and communication issues

Replication is failing and following events are logged:

e Stream NetworkChannelCompletion.cpp(00655) : Error in asynchronous stream event: exception 1: no.2110001 (Basis/IO/Stream/impl/NetworkChannelCompletion.cpp:581)
 Generic stream error: getsockopt, Event=EPOLLERR - , rc=110: Connection timed out; $Context$=[36f
e sr_nameserver DRClient.cpp(00569) : Could not reach any host of site '1' to send request 'dr_setnetinfo'. Errors: nameserver communication error;internal error(5500)
e sr_nameserver DRRequestHandler.cpp(04091) : remote request 'dr_setnetinfo' for site 1 failed: internal error

or

Nameserver Traces shows below mentioned errors:

e TNS TNSClient.cpp(00800) : sendRequest dr_secondaryactivestatus to <hostname>:<system_replication_port> failed with NetException. data=(S)host=<hostname>|service=<service_name>|(I)drsender=2|
e sr_nameserver TNSClient.cpp(06787) : error when sending request 'dr_secondaryactivestatus' to <hostname>:<system_replication_port>: connection broken,location=<hostname>:<system_replication_port>
e TrexNetBuffer BufferedIO.cpp(01151) : erroneous channel ### from ##### to <hostname>:<system_replication_port>: read from channel failed; resetting buffer

Images/data in this KBA from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

SAP HANA, Platform Edition 2.0

rc=110, Connection timed out, dr_setnetinfo, asynchronous, getsockopt, EPOLLERR, INITIALIZING, TNSCLIENT, replication_port, read from channel failed, resetting buffer