README file for vcgn
Change-Id: I6bd851e4b26f0b8d6f5826a19bded3af930cbc0e Signed-off-by: Ranganathan T.S <rangan@cisco.com>
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Ranganathan T.S
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Dave Barach
Dave Barach
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vnet/vnet/vcgn/README
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=================================
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CARRIER GRADE NAT - NAT44 README
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=================================
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What is implemented:
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====================
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* NAT44 UDP, TCP, ICMP protocols
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* Show and config commands for various parameters for the same
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* NF9 logging is implemented but is not tested
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What is not implemented:
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=========================
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* TCP MSS
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* TCP refresh direction
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* Static port forwarding
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* Syslog support
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* Destination based logging or session logging
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* None of the ALGs
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* Performance optimization
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* Binary APIs, suitable for configuring the feature from netconf/restconf/yang
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* Support for VLANs
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Setup
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=====
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+--------------+
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+------------+ GEb/0/0 | |
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| Tester +-------------->+ vCGN/vPE-f |
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| +<--------------+ VM in UCS |
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+------------+ GE13/0/0 | |
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+--------------+
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Configure Interfaces and add routes in vPE-f
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=============================================
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set int ip address GigabitEthernetb/0/0 10.4.5.2/24
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set int state GigabitEthernetb/0/0 up
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set int ip address GigabitEthernet13/0/0 20.4.5.2/24
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set int state GigabitEthernet13/0/0 up
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ip route add 4.4.4.0/24 via GigabitEthernet13/0/0
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ip route add 1.2.3.0/24 via GigabitEthernetb/0/0 show ip fib
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Configure vCGN NAT44 for UDP/TCP/ICMP
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=======================================
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set vcgn inside GigabitEthernetb/0/0 outside GigabitEthernet13/0/0
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set vcgn port limit 65535 set vcgn dynamic port start 5641
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set vcgn map 10.1.1.0 - 10.1.1.31 set vcgn tcp timeout active 65535 init 65535
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set vcgn udp timeout active 65535 init 65535 set vcgn icmp timeout 65535
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Set ARP entries for CGN to Tester
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==================================
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set ip arp GigabitEthernet13/0/0 4.4.4.4 11:22:33:44:55:00
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set ip arp GigabitEthernetb/0/0 1.2.3.0 11:22:33:44:55:10
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set ip arp GigabitEthernetb/0/0 1.2.3.1 11:22:33:44:55:12
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set ip arp GigabitEthernetb/0/0 1.2.3.2 11:22:33:44:55:13
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set ip arp GigabitEthernetb/0/0 1.2.3.3 11:22:33:44:55:14
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set ip arp GigabitEthernetb/0/0 1.2.3.4 11:22:33:4e:55:11
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set ip arp GigabitEthernetb/0/0 1.2.3.5 11:22:33:44:55:15
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set ip arp GigabitEthernetb/0/0 1.2.3.6 11:22:33:44:55:16
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set ip arp GigabitEthernetb/0/0 1.2.3.7 11:22:33:44:55:17
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set ip arp GigabitEthernetb/0/0 1.2.3.8 11:22:33:44:55:18
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set ip arp GigabitEthernetb/0/0 1.2.3.9 11:22:33:44:55:19
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set ip arp GigabitEthernetb/0/0 1.2.3.10 11:22:33:44:55:1a
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set ip arp GigabitEthernetb/0/0 1.2.3.11 11:22:33:44:55:1b
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set ip arp GigabitEthernetb/0/0 1.2.3.12 11:22:33:44:55:1c
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set ip arp GigabitEthernetb/0/0 1.2.3.13 11:22:33:44:55:1d
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set ip arp GigabitEthernetb/0/0 1.2.3.14 11:22:33:44:55:1e
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set ip arp GigabitEthernetb/0/0 1.2.3.15 11:22:33:44:55:1f
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set ip arp GigabitEthernetb/0/0 1.2.3.16 11:22:33:44:50:01
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set ip arp GigabitEthernetb/0/0 1.2.3.17 11:22:33:44:51:01
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set ip arp GigabitEthernetb/0/0 1.2.3.18 11:22:33:44:52:01
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set ip arp GigabitEthernetb/0/0 1.2.3.19 11:22:33:44:53:01
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set ip arp GigabitEthernetb/0/0 1.2.3.20 11:22:33:44:54:02
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set ip arp GigabitEthernetb/0/0 1.2.3.21 11:22:33:44:55:01
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set ip arp GigabitEthernetb/0/0 1.2.3.22 11:22:33:44:56:02
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set ip arp GigabitEthernetb/0/0 1.2.3.23 11:22:33:44:57:00
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set ip arp GigabitEthernetb/0/0 1.2.3.24 11:22:33:44:58:02
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set ip arp GigabitEthernetb/0/0 1.2.3.25 11:22:33:44:59:03
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set ip arp GigabitEthernetb/0/0 1.2.3.26 11:22:33:44:5a:01
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set ip arp GigabitEthernetb/0/0 1.2.3.27 11:22:33:44:5b:02
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set ip arp GigabitEthernetb/0/0 1.2.3.28 11:22:33:44:5c:03
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set ip arp GigabitEthernetb/0/0 1.2.3.29 11:22:33:44:5d:04
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set ip arp GigabitEthernetb/0/0 1.2.3.30 11:22:33:44:5e:05
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set ip arp GigabitEthernetb/0/0 1.2.3.31 11:22:33:44:5f:06
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Show commands
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=============
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show vcgn config
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show vcgn statistics
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show node counters
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show interface
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Show commands to show translations
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==================================
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show vcgn inside-translation protocol tcp inside-addr 1.2.3.4 start-port 5641 end-port 5645
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show vcgn outside-translation protocol tcp outside-addr 10.1.1.31 start-port 7000 end-port 8000
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show vcgn inside-translation protocol icmp inside-addr 1.2.3.4 start-port 7000 end-port 8000
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show vcgn outside-translation protocol icmp outside-addr 10.1.1.31 start-port 7000 end-port 8000
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