tests: Use /64s for IPv6 Prefix Delegation test.

As discussed in RFC 7421 the interface identifier is 64 bits long, and client implementations refrain from performing SLAAC with any other prefix length. While the test does not exercise SLAAC, making use of prefixes longer than 64 bits does not really make sense, and we should refrain from hosting incorrect configuration in the test suite. Signed-off-by: Frode Nordahl <[email protected]> Signed-off-by: Dumitru Ceara <[email protected]>
ovn-org · Jan 17, 2025 · edc87c6 · edc87c6
1 parent 744340f
commit edc87c6
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diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at
@@ -449,8 +449,8 @@ check ovn-nbctl --wait=hv sync
 cat > /etc/dhcp/dhcpd.conf <<EOF
 option dhcp-rebinding-time 10;
 option dhcp-renewal-time 5;
-subnet6 2001:1db8:3333::/64 {
-    prefix6 2001:1db8:3333:100:: 2001:1db8:3333:111:: /96;
+subnet6 2001:1db8:3333::/56 {
+    prefix6 2001:1db8:3333:100:: 2001:1db8:3333:111:: /64;
 }
 EOF
 rm -f /var/lib/dhcp/dhcpd6.leases

diff --git a/tests/system-ovn.at b/tests/system-ovn.at
@@ -14356,8 +14356,8 @@ check ovn-nbctl --wait=hv sync
 cat > /etc/dhcp/dhcpd.conf <<EOF
 option dhcp-rebinding-time 10;
 option dhcp-renewal-time 5;
-subnet6 2001:1db8:3333::/64 {
-    prefix6 2001:1db8:3333:100:: 2001:1db8:3333:111:: /96;
+subnet6 2001:1db8:3333::/56 {
+    prefix6 2001:1db8:3333:100:: 2001:1db8:3333:111:: /64;
 }
 EOF
 rm -f /var/lib/dhcp/dhcpd6.leases