wido commented on code in PR #13795:
URL: https://github.com/apache/cloudstack/pull/13795#discussion_r3975682080
##########
systemvm/debian/opt/cloud/bin/setup/common.sh:
##########
@@ -573,10 +573,42 @@ setup_dnsmasq() {
fi
}
+enable_ipv6_link_local() {
+ local eth=$1
+ log_it "Enabling IPv6 link-local on interface $eth"
+ # Generate the link-local address with EUI-64 based on the MAC address so
+ # the address can be calculated by the Management Server
+ sysctl -w net.ipv6.conf.${eth}.addr_gen_mode=0
+ # Only a link-local address is wanted, no SLAAC/RA configuration
+ sysctl -w net.ipv6.conf.${eth}.accept_ra=0
+ sysctl -w net.ipv6.conf.${eth}.autoconf=0
+ sysctl -w net.ipv6.conf.${eth}.disable_ipv6=0
Review Comment:
Thanks! I had a manual script checking a few things, didn't notice it was
gone right after. Let me look into that, I now have a better lab to test this
again.
My goal is to remove IPv4 entirely. We now have a complete allocation
mechanism for IPv4 for this control cidr which is a lot of code and database
entries which shouldn't be needed.
First step is adding IPv6, making sure its stable and then remove IPv4 in a
future PR.
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