[201811][dhcp_relay] More detailed crafting and strict testing of OFFER and ACK packets #921
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Closing in favor of cherry-picking #924, because the changes are identical between master and 201811 branches. |
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The pull request sonic-net/sonic-buildimage#2919 in sonic-buildimage will cause the dhcp_relay test to erroneously fail, due to minor changes in the relayed OFFER and ACK packets. This change will ensure the dhcp_relay test works as expected after the aforementioned PR is merged.