CPC H04L 61/103 (2013.01) [G06F 9/546 (2013.01); H04L 12/4641 (2013.01); H04L 45/745 (2013.01); H04L 2101/622 (2022.05)] | 20 Claims |
1. A method for providing address resolution reply messages, the method comprising:
receiving, at a first router in a first network, an address resolution request message from a second router in a second network via a layer 2 data center interconnect link;
generating, for a pending address resolution requests table, an entry for the address resolution request message, the entry including an identifier of the layer 2 data center interconnect link;
receiving a route advertisement;
extracting a network layer address from the route advertisement;
determining the pending address resolution requests table includes an entry including the network layer address; and
in response to determining that the pending address resolution requests table includes an entry including the network layer address:
extracting a link layer address from the route advertisement;
generating an address resolution reply message, of the address resolution reply messages, comprising the network layer address and the link layer address; and
sending the address resolution reply message to the second router via the layer 2 data center interconnect link.
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