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ASL3 - Disable IPv6 (All Commands)

From the Node SSH Terminal run these commands.

1. Show current IP addresses

ip -br addr

2. Check IPv6 settings

sysctl net.ipv6.conf.all.disable_ipv6 net.ipv6.conf.default.disable_ipv6

3. Check the active network connection

nmcli -t -f DEVICE,TYPE,STATE,CONNECTION device status

4. Save IPv6-disabled configuration

sudo nmcli connection modify "Wired connection 1" ipv6.method disabled

5. Verify the saved setting (should say disabled)

nmcli -g ipv6.method connection show "Wired connection 1"

6. Apply the saved setting to Ethernet

sudo nmcli device reapply eth0

7. Confirm Ethernet has an IPv4 address and no IPv6 address

ip -br addr

8. Check that the ASL3 Asterisk service is active

sudo systemctl is-active asterisk

Optional - Re-enable IPv6 on Ethernet

sudo nmcli connection modify "Wired connection 1" ipv6.method auto

sudo nmcli device reapply eth0

Robert (WROV324)

Ray (WRFD401)