What TCP/UDP Ports are used by the HAE Extension (Pacemaker, Corosync & Hawk) ?

This document (000021133) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise High Availability Extension
SUSE Linux Enterprise Server for SAP Applications


Need an easy-to-find, single document, containing all the required ports.


 TCP 3121 Pacemaker-remote
 TCP 5403 Corosync qdevice/Qnetd
 UDP 5404 Corosync / crm cluster init
 UDP 5405 Corosync / Totem
 UDP 5406 Corosync / Totem (if second ring used)
 TCP 5560 mgmtd (deprecated)
 TCP 7630 Hawk
 TCP 9929 Booth (consensus engine used in geographically dispersed cluster)
 UDP 9929 Booth
 TCP 21064 Resources (dlm etc)
 TCP 30865 csync2


Additional Information

Note that port 5560 is not currently used and can be ignored.

Port 5406 can be ignored if it is not in use for a second ring (as defined in the corosync.conf config file).

Port 9929 can be ignored if Booth is not configured (used for stretched/multi-site clusters).


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:000021133
  • Creation Date: 14-Jul-2023
  • Modified Date:14-Jul-2023
    • SUSE Linux Enterprise High Availability Extension
    • SUSE Linux Enterprise Server for SAP Applications

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback[at]suse.com

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center