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-rw-r--r--apex/overcloud/deploy.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/apex/overcloud/deploy.py b/apex/overcloud/deploy.py
index e310fa21..3dd2af34 100644
--- a/apex/overcloud/deploy.py
+++ b/apex/overcloud/deploy.py
@@ -871,8 +871,7 @@ def external_network_cmds(ns, ds):
"--allocation-pool start={},end={} --subnet-range " \
"{}".format(gateway, pool_start, pool_end, str(cidr))
if external and cidr.version == 6:
- subnet_cmd += ' --ip-version 6 --ipv6-ra-mode slaac ' \
- '--ipv6-address-mode slaac'
+ subnet_cmd += ' --ip-version 6'
cmds.append(subnet_cmd)
logging.debug("Neutron external network commands determined "
"as: {}".format(cmds))