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Add ARP/NDP responders to external IP assigner #3318

Merged
merged 1 commit into from Feb 23, 2022
Merged

Add ARP/NDP responders to external IP assigner #3318

merged 1 commit into from Feb 23, 2022

Commits on Feb 22, 2022

  1. Add ARP/NDP responders to external IP assigner 

    Apart from assigning IPs to the dummy interface, this commit will also create
raw sockets and listen for ARP requests packets (IPv4) and Neighbor Solicitation
packets (IPv6). This fixes the issue that Egress cannot work in IPv6 mode
as the system would not reply to Neighbor Advertisement from external
interfaces if the IP is assigned to the dummy interface. The IP assigner
will skip managing the dummy device if dummyDeviceName is empty. This avoids
the kernel creating a local route, which has a higher priority than the routes
installed by antrea-proxy in proxyAll mode.

Signed-off-by: Tianyi Huang <hty690@126.com>
    @hty690
    hty690 committed Feb 22, 2022
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    4918998 View commit details
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