Sunday, December 19, 2021

QEMU/KVM/virt-manager guest can't access network in bridged mode with iptables

I could not access the network in a guest VM using bridged networking. To fix I had to set the following in iptables:

# iptables -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT
# ip6tables -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT

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