diff options
| -rw-r--r-- | nova/network/manager.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/nova/network/manager.py b/nova/network/manager.py index 981f5ec80..b906a83ed 100644 --- a/nova/network/manager.py +++ b/nova/network/manager.py @@ -511,6 +511,12 @@ class VlanManager(NetworkManager): def create_networks(self, context, cidr, num_networks, network_size, cidr_v6, vlan_start, vpn_start): """Create networks based on parameters.""" + # Check that num_networks + vlan_start is not > 4094, fixes lp708025 + if num_networks + vlan_start > 4094: + raise ValueError(_('The sum between the number of networks and' + ' the vlan start cannot be greater' + ' than 4094')) + fixed_net = IPy.IP(cidr) fixed_net_v6 = IPy.IP(cidr_v6) network_size_v6 = 1 << 64 |