GitHub user braveadmin edited a comment on the discussion: Configuring MetalLB 
with as Load Balancer for Cloudstack

@weizhouapache, 
 
Yes, we use the official repository installation.
 
We use Oracle Linux 9. Also we set some **nftables** before the installation, 
to make easy the metal host integration with our infrastructure. For this 
reason we see the rules in a nftables way. However, we saw that OL9 comes with 
the iptables and ebtables intergation
 
```
# iptables --version
iptables v1.8.10 (nf_tables)
# ebtables --version
ebtables 1.8.10 (nf_tables)
```
 
But it's true that iptables-save doesn't give us any output and 
iptables-legacy-save it's not present.
 
As far I remember, when we were doing our tests setup, with iptables also had 
the same problem. In fact, to go further we removed the auomatic ebtables 
created by CloudStack to check the MetalLB usage. But I can't guarantee that we 
checked also the SecurityGroup rules. 
 
Does CloudStack support nftables usage?
 
Thanks

GitHub link: 
https://github.com/apache/cloudstack/discussions/10191#discussioncomment-11853814

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