MACsec = Media Access Control Security (802.1AE IEEE). It provides point-to-point encryption (AES-GCM-128 by default) over ethernet traffic. MACsec support is included from kernel 4.6 or in Centos/RHEL 7.
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| HOST A: | |
| ip link add link eth1 macsec0 type macsec | |
| ip macsec add macsec0 tx sa 0 pn 1 on key 01 11111111111111111111111111111111 | |
| ip macsec add macsec0 rx address bb:bb:bb:bb:bb:bb port 1 | |
| ip macsec add macsec0 rx address bb:bb:bb:bb:bb:bb port 1 sa 0 pn 100 on key 02 22222222222222222222222222222222 | |
| ip link set dev macsec0 up | |
| ip address add 172.16.16.1/24 dev macsec0 | |
| HOST B: | |
| ip link add link eth1 macsec0 type macsec | |
| ip macsec add macsec0 tx sa 0 pn 1 on key 02 22222222222222222222222222222222 | |
| ip macsec add macsec0 rx address aa:aa:aa:aa:aa:aa port 1 | |
| ip macsec add macsec0 rx address aa:aa:aa:aa:aa:aa port 1 sa 0 pn 100 on key 01 11111111111111111111111111111111 | |
| ip link set dev macsec0 up | |
| ip address add 172.16.16.2/24 dev macsec0 |
Vladimir Smitka 