eapol destination-address broadcast-address macsec bridge-domain 10 service instance 18 ethernet encapsulation dot1q 21 mka pre-shared-key key-chain kc1 eapol eth-type 876F eapol destination-address broadcast-address macsec bridge-domain 18 interface GigabitEthernet1/0/1 no ip address negotiation auto service instance 10 ethernet encapsulation dot1q 10 rewrite ingress tag push dot1q 20 symmetric bridge-domain 10 ! service instance 18 ethernet encapsulation dot1q 18 rewrite ingress tag push dot1q 21 symmetric bridge-domain 18 1.1.2 Configuration of CE2 key chain kc1 macsec key 01 cryptographic-algorithm aes-128-cmac key-string 01234567890123456789012345678901 ! !