Slow DHCP for some reasons

dynek

Member
Oct 30, 2019
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Hello everyone,

Today I restarted a server running as single proxmox node, and it took several minutes for the IP address to be acquired through DHCP.
Until now I have no clue of the root cause, but other devices attached to the same switch/router do not have such issues, and setting static IP fixes it (but I prefer DHCP).

I'm using Openvswitch and here's the network configuration (with DHCP):
Code:
auto lo
iface lo inet loopback

auto eno1
iface eno1 inet manual

auto enxa4f7d00029c0
iface enxa4f7d00029c0 inet manual

auto vlan100
iface vlan100 inet dhcp
    ovs_type OVSIntPort
    ovs_bridge vmbr0
    ovs_options tag=100
    ovs_extra set interface ${IFACE} external-ids:iface-id=$(hostname -s)-${IFACE}-vif
    hwaddress ether XX:YY:ZZ:XX:YY:ZZ
#VLAN100

auto bond0
iface bond0 inet manual
    ovs_bonds eno1 enxa4f7d00029c0
    ovs_type OVSBond
    ovs_bridge vmbr0
    ovs_options lacp=active bond_mode=balance-tcp tag=1 other_config:lacp-time=fast vlan_mode=native-untagged trunks=100,200,300

auto vmbr0
iface vmbr0 inet manual
    ovs_type OVSBridge
    ovs_ports bond0 vlan100

It used to work straight away, but since I'm not restarting very often, I couldn't say which update (kernel, openvswitch, or else) could have caused this.
Does anything obvious popup when reading the network config ?

Thank you