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RS: Fix contradictory statements about internal IP changes #778

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RS: Fix contradictory statements about internal IP changes #778

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8a5f1e0
DOC-4177 RS: Fix contradictory statements about internal IP changes
rrelledge Oct 17, 2024
8e133ed
DOC-4177 RS: Change to action-based title
rrelledge Oct 17, 2024
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14 changes: 6 additions & 8 deletions content/operate/rs/networking/multi-ip-ipv6.md
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
---
Title: Multi-IP and IPv6
Title: Manage IP addresses
alwaysopen: false
categories:
- docs
- operate
- rs
description: Information and requirements for using multiple IP addresses or IPv6
addresses with Redis Enterprise Software.
linkTitle: Multi-IP and IPv6
linkTitle: Manage IP addresses
weight: $weight
---
Redis Enterprise Software supports servers, instances, and VMs with
Expand Down Expand Up @@ -73,8 +73,6 @@ The host file `/etc/hosts` on each node in the cluster must include the followin

## Change internal IP address

If you need to update the internal IP address in the OS, you must remove that node from the Redis Enterprise cluster, make the IP change, and then add the node back into the cluster.

Before you change an internal IP address, consider the following:

- Verify the address is valid and bound to an active interface on the node. Failure to do so prevents the node from coming back online and rejoining the cluster.
Expand All @@ -83,11 +81,11 @@ Before you change an internal IP address, consider the following:

- Joining a node that only has IPv6 network interfaces to a master node that does not have IPv6 enabled causes a `NodeBootstrapError`.

{{<note>}}
You cannot change the internal address from IPv4 to IPv6 or IPv6 to IPv4 in a running cluster. You can only change the internal address within the same protocol as the cluster.
{{</note>}}
- You cannot change the internal address from IPv4 to IPv6 or IPv6 to IPv4 in a running cluster. You can only change the internal address within the same protocol as the cluster.

If you need to update the internal IP address in the OS, one option is to remove that node from the cluster, change the IP address, and then add the node back into the cluster.

To update a node's internal IP address:
Alternatively, you can use the following steps to update a node's internal IP address without removing it from the cluster:

1. Turn the node into a replica using [`rladmin`]({{< relref "/operate/rs/references/cli-utilities/rladmin/node/enslave" >}}):

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