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================================= CARRIER GRADE NAT - NAT44 README ================================= What is implemented: ==================== * NAT44 UDP, TCP, ICMP protocols * Show and config commands for various parameters for the same * NF9 logging is implemented but is not tested What is not implemented: ========================= * TCP MSS * TCP refresh direction * Static port forwarding * Syslog support * Destination based logging or session logging * None of the ALGs * Performance optimization * Binary APIs, suitable for configuring the feature from netconf/restconf/yang * Support for VLANs Setup ===== +--------------+ +------------+ GEb/0/0 | | | Tester +-------------->+ vCGN/vPE-f | | +<--------------+ VM in UCS | +------------+ GE13/0/0 | | +--------------+ Configure Interfaces and add routes in vPE-f ============================================= set int ip address GigabitEthernetb/0/0 10.4.5.2/24 set int state GigabitEthernetb/0/0 up set int ip address GigabitEthernet13/0/0 20.4.5.2/24 set int state GigabitEthernet13/0/0 up ip route add 4.4.4.0/24 via GigabitEthernet13/0/0 ip route add 1.2.3.0/24 via GigabitEthernetb/0/0 show ip fib Configure vCGN NAT44 for UDP/TCP/ICMP ======================================= set vcgn inside GigabitEthernetb/0/0 outside GigabitEthernet13/0/0 set vcgn port limit 65535 set vcgn dynamic port start 5641 set vcgn map 10.1.1.0 - 10.1.1.31 set vcgn tcp timeout active 65535 init 65535 set vcgn udp timeout active 65535 init 65535 set vcgn icmp timeout 65535 Set ARP entries for CGN to Tester ================================== set ip arp GigabitEthernet13/0/0 4.4.4.4 11:22:33:44:55:00 set ip arp GigabitEthernetb/0/0 1.2.3.0 11:22:33:44:55:10 set ip arp GigabitEthernetb/0/0 1.2.3.1 11:22:33:44:55:12 set ip arp GigabitEthernetb/0/0 1.2.3.2 11:22:33:44:55:13 set ip arp GigabitEthernetb/0/0 1.2.3.3 11:22:33:44:55:14 set ip arp GigabitEthernetb/0/0 1.2.3.4 11:22:33:4e:55:11 set ip arp GigabitEthernetb/0/0 1.2.3.5 11:22:33:44:55:15 set ip arp GigabitEthernetb/0/0 1.2.3.6 11:22:33:44:55:16 set ip arp GigabitEthernetb/0/0 1.2.3.7 11:22:33:44:55:17 set ip arp GigabitEthernetb/0/0 1.2.3.8 11:22:33:44:55:18 set ip arp GigabitEthernetb/0/0 1.2.3.9 11:22:33:44:55:19 set ip arp GigabitEthernetb/0/0 1.2.3.10 11:22:33:44:55:1a set ip arp GigabitEthernetb/0/0 1.2.3.11 11:22:33:44:55:1b set ip arp GigabitEthernetb/0/0 1.2.3.12 11:22:33:44:55:1c set ip arp GigabitEthernetb/0/0 1.2.3.13 11:22:33:44:55:1d set ip arp GigabitEthernetb/0/0 1.2.3.14 11:22:33:44:55:1e set ip arp GigabitEthernetb/0/0 1.2.3.15 11:22:33:44:55:1f set ip arp GigabitEthernetb/0/0 1.2.3.16 11:22:33:44:50:01 set ip arp GigabitEthernetb/0/0 1.2.3.17 11:22:33:44:51:01 set ip arp GigabitEthernetb/0/0 1.2.3.18 11:22:33:44:52:01 set ip arp GigabitEthernetb/0/0 1.2.3.19 11:22:33:44:53:01 set ip arp GigabitEthernetb/0/0 1.2.3.20 11:22:33:44:54:02 set ip arp GigabitEthernetb/0/0 1.2.3.21 11:22:33:44:55:01 set ip arp GigabitEthernetb/0/0 1.2.3.22 11:22:33:44:56:02 set ip arp GigabitEthernetb/0/0 1.2.3.23 11:22:33:44:57:00 set ip arp GigabitEthernetb/0/0 1.2.3.24 11:22:33:44:58:02 set ip arp GigabitEthernetb/0/0 1.2.3.25 11:22:33:44:59:03 set ip arp GigabitEthernetb/0/0 1.2.3.26 11:22:33:44:5a:01 set ip arp GigabitEthernetb/0/0 1.2.3.27 11:22:33:44:5b:02 set ip arp GigabitEthernetb/0/0 1.2.3.28 11:22:33:44:5c:03 set ip arp GigabitEthernetb/0/0 1.2.3.29 11:22:33:44:5d:04 set ip arp GigabitEthernetb/0/0 1.2.3.30 11:22:33:44:5e:05 set ip arp GigabitEthernetb/0/0 1.2.3.31 11:22:33:44:5f:06 Show commands ============= show vcgn config show vcgn statistics show node counters show interface Show commands to show translations ================================== show vcgn inside-translation protocol tcp inside-addr 1.2.3.4 start-port 5641 end-port 5645 show vcgn outside-translation protocol tcp outside-addr 10.1.1.31 start-port 7000 end-port 8000 show vcgn inside-translation protocol icmp inside-addr 1.2.3.4 start-port 7000 end-port 8000 show vcgn outside-translation protocol icmp outside-addr 10.1.1.31 start-port 7000 end-port 8000转载地址：http://afqci.baihongyu.com/