# Volt shared bridge device
# Managed by systemd-networkd
# Used by both Volt VMs (TAP) and Voltainer containers (veth)
#
# Install: cp nova0.netdev /etc/systemd/network/
# Apply: systemctl restart systemd-networkd

[NetDev]
Name=nova0
Kind=bridge
Description=Volt unified VM/container bridge

[Bridge]
# Forward delay for fast convergence (microVMs boot fast)
ForwardDelaySec=0

# Enable hairpin mode for container-to-container on same bridge
# This allows traffic to exit and re-enter on the same port
# Useful for service mesh / sidecar patterns
HairpinMode=true

# STP disabled by default (single bridge, no loops)
# Enable if creating multi-bridge topologies
STP=false

# VLAN filtering (optional, for multi-tenant isolation)
VLANFiltering=false

# Multicast snooping for efficient multicast
MulticastSnooping=true