:-- -- GRE Cisco 18, 2019 29000 3000 7 8 Site-To-Site IPSec VPN Cisco 26, 2018 40000 1000 3 7 MPLS - ? 01, 2019 36000 1000 2 5 : VLSM 30, 2019 31000 1000 2 11 Cisco - 2 13, 2020 7830 1000 0 11 Cisco 21, 2020 8520 1000 0 4 OSI ! 26, 2018 114890 990 0 5 TCP UDP ? 12, 2019 100000 720 0 4 LAN WAN? 17, 2020 26150 370 0 1 ICMP - ? 09, 2020 36400 280 0 3 40 IT - 27, 2020 51620 240 2 12 802.1X ? 24, 2018 25000 230 0 4 . . . ? 18, 2019 19300 230 1 4 , ? 28, 2019 30000 190 0 5 5 Cisco 10, 2018 13000 180 0 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26