On 06/01/2012 02:52 PM, Eric Blake wrote:
On 05/25/2012 05:56 AM, Stefan Berger wrote:With support for multiple IP addresses per interface in place, this patch now adds support for multiple IP addresses per interface for the DHCP snooping code. Testing: Since the infrastructure I tested this with does not provide multiple IP addresses per MAC address (anymore), I either had to plug the VM's interface from the virtual bride connected directly to the infrastructure to virbr0 to get a 2nd IP address from dnsmasq (kill and run dhclient inside the VM) or changed the lease file (/var/run/libvirt/network/nwfilter.leases) and restart libvirtd to have a 2nd IP address on an existing interface. Note that dnsmasq can take a lease timeout parameter as part of the --dhcp-range command line parameter, so that timeouts can be tested that way (--dhcp-range 192.168.122.2,192.168.122.254,120). So, terminating and restarting dnsmasq with that parameter is another choice to watch an IP address disappear after 120 seconds. Regards, Stefan --- src/nwfilter/nwfilter_dhcpsnoop.c | 107 +++++++++++++++++++++++--------------- 1 file changed, 67 insertions(+), 40 deletions(-)I'm not in a position to runtime test this, but it did pass my compile tests and looked clean from inspection. ACK.
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