zuul-jobs/roles/multi-node-bridge/defaults/main.yaml
Clark Boylan 258a0d6ec7 Dynamically determine overlay network mtu
Not all clouds will provide us with MTUs of 1500. Instead of assuming a
1500 - 50 byte MTU to accomodate for vxlan overhead we list all
interface MTUs, filter by those that appear to be "real" interfaces (to
avoid those we ourselves may have created), take the smallest one and
subtract it by 50 to accomodate for vxlan overhead. You can still set an
explicitl bridge_mtu value if necessary.

Change-Id: If899a1bee3b4b69df8c2905a219b41e119d8f652
2018-06-28 13:47:03 -07:00

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YAML

bridge_vni_offset: 1000000
bridge_name: br-infra
bridge_authorize_internal_traffic: false
bridge_configure_address: true
bridge_address_prefix: 172.24.4
bridge_address_offset: 1
bridge_address_subnet: 23