# After systemctl restart mysql, the node does not connect to the cluster

**URL:** <https://forums.percona.com/t/after-systemctl-restart-mysql-the-node-does-not-connect-to-the-cluster/25461>\
**Category:** Percona XtraDB Cluster 8.x\
**Created:** [September 26, 2023, 11:42am UTC](https://forums.percona.com/t/after-systemctl-restart-mysql-the-node-does-not-connect-to-the-cluster/25461 "2023-09-26T11:42:02Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\
**Post date:** [September 27, 2023, 4:05pm UTC](https://forums.percona.com/t/after-systemctl-restart-mysql-the-node-does-not-connect-to-the-cluster/25461/2 "2023-09-27T16:05:13Z")

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The error logs above show network connection issues. On this failed node, can you `ping server2` and can you also `telnet server2 4567` Do those both work? If not, you have network/dns issues.

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