how to configure PCP on USG ?

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The steps to configure the PCP are as follows: 1 configure NAT address pool
2 configure PCP policy
3 configuration PCP optional function Detailed configuration steps in the "firewall product documentation >" search "configuration PCP" content.

Other related questions:
PCP configuration
Configure PCP as follows: 1. Configure the NAT address pool. 2. Configure the PCP policy. 3. Configure the PCP optional functions. For details, see "Configuring PCP" in the firewall product documentation.

How to use the command line to view the PCP policy on USG?
Use the following command line to view the PCP policy. display pcp-policy rule { all [ slot slot-id cpu cpu-id ] | name rule-name }

Configuring the IS-IS priority on the firewall
The method for modifying the IS-IS priority on the USG2000&5000&6000 is as follows: -Modifying the IS-IS priority: [USG]isis [USG-isis-1]preference 90

Configuring SA on the firewall
Configuring an SA on the USG Creating a dynamic IPSec SA 1. The data between network A and network B is encrypted and securely transmitted through the IPSec tunnel between USG_A and USG_B. USG_A protects network 10.1.1.0/24, and its public address is 202.38.163.1/24. USG_B protects network 10.1.2.0/24, and its public address is 202.38.169.1/24. Network A---USG_A----INTERNET----USG_B---Network B 2. The configuration steps are as follows: [USG_A] acl 3000 //Configure an ACL to match sensitive traffic packets. [USG_A-acl-adv-3000] rule permit ip source 10.1.1.0 0.0.0.255 destination 10.1.2.0 0.0.0.255 [USG_A-acl-adv-3000] quit [USG_A] ip route-static 10.1.2.0 255.255.255.0 202.38.163.2 //Configure a route. [USG_A] ipsec proposal tran1 //Configure an IPSec proposal. [USG_A-ipsec-proposal-tran1] encapsulation-mode tunnel [USG_A-ipsec-proposal-tran1] transform esp [USG_A-ipsec-proposal-tran1] esp authentication-algorithm sha1 [USG_A-ipsec-proposal-tran1] esp encryption-algorithm aes [USG_A-ipsec-proposal-tran1] quit [USG_A] ike proposal 10 //Configure an IKE proposal. [USG_A-ike-proposal-10] authentication-method pre-share [USG_A-ike-proposal-10] authentication-algorithm sha1 [USG_A-ike-proposal-10] integrity-algorithm hmac-sha1-96 [USG_A-ike-proposal-10] quit [USG_A] ike peer b //Configure an IKE peer. [USG_A-ike-peer-b] ike-proposal 10 [USG_A-ike-peer-b] remote-address 202.38.169.1 [USG_A-ike-peer-b] pre-shared-key abcde [USG_A-ike-peer-b] quit [USG_A] ipsec policy map1 10 isakmp //Configure an IPSec policy. [USG_A-ipsec-policy-isakmp-map1-10] security acl 3000 [USG_A-ipsec-policy-isakmp-map1-10] proposal tran1 [USG_A-ipsec-policy-isakmp-map1-10] ike-peer b [USG_A-ipsec-policy-manual-map1-10] quit [USG_A] interface GigabitEthernet 0/0/2 [USG_A-GigabitEthernet0/0/2] ipsec policy map1 //Apply the IPSec policy to the interface. [USG_B] acl 3000 //Configure an ACL to match sensitive traffic packets. [USG_B-acl-adv-3000] rule permit ip source 10.1.2.0 0.0.0.255 destination 10.1.1.0 0.0.0.255 [USG_B-acl-adv-3000] quit [USG_B] ip route-static 10.1.1.0 255.255.255.0 202.38.169.2 //Configure a route. [USG_B] ipsec proposal tran1 //Configure an IPSec proposal. [USG_B-ipsec-proposal-tran1] encapsulation-mode tunnel [USG_B-ipsec-proposal-tran1] transform esp [USG_B-ipsec-proposal-tran1] esp authentication-algorithm sha1 [USG_B-ipsec-proposal-tran1] esp encryption-algorithm aes [USG_B-ipsec-proposal-tran1] quit [USG_B] ike proposal 10 //Configure an IKE proposal. [USG_B-ike-proposal-10] authentication-method pre-share [USG_B-ike-proposal-10] authentication-algorithm sha1 [USG_B-ike-proposal-10] integrity-algorithm hmac-sha1-96 [USG_B-ike-proposal-10] quit [USG_B] ike peer a //Configure an IKE peer. [USG_B-ike-peer-a] ike-proposal 10 [USG_B-ike-peer-a] remote-address 202.38.163.1 [USG_B-ike-peer-a] pre-shared-key abcde [USG_B-ike-peer-a] quit [USG_B] ipsec policy map1 10 isakmp //Configure an IPSec policy. [USG_B-ipsec-policy-isakmp-map1-10] security acl 3000 [USG_B-ipsec-policy-isakmp-map1-10] proposal tran1 [USG_B-ipsec-policy-isakmp-map1-10] ike-peer a [USG_B-ipsec-policy-isakmp-map1-10] quit [USG_B] interface GigabitEthernet 0/0/2 [USG_B-GigabitEthernet0/0/2] ipsec policy map1 //Apply the IPSec policy to the interface.

Configuring IPSec VPN on the firewall
Configuring an SA on the USG Creating a dynamic IPSec SA 1. The data between network A and network B is encrypted and securely transmitted through the IPSec tunnel between USG_A and USG_B. USG_A protects network 10.1.1.0/24, and its public address is 202.38.163.1/24. USG_B protects network 10.1.2.0/24, and its public address is 202.38.169.1/24. Network A---USG_A----INTERNET-----USG_B---Network B 2. The configuration steps are as follows: [USG_A] acl 3000 //Configure an ACL to match sensitive traffic packets. [USG_A-acl-adv-3000] rule permit ip source 10.1.1.0 0.0.0.255 destination 10.1.2.0 0.0.0.255 [USG_A-acl-adv-3000] quit [USG_A] ip route-static 10.1.2.0 255.255.255.0 202.38.163.2 //Configure a route. [USG_A] ipsec proposal tran1 //Configure an IPSec proposal. [USG_A-ipsec-proposal-tran1] encapsulation-mode tunnel [USG_A-ipsec-proposal-tran1] transform esp [USG_A-ipsec-proposal-tran1] esp authentication-algorithm sha1 [USG_A-ipsec-proposal-tran1] esp encryption-algorithm aes [USG_A-ipsec-proposal-tran1] quit [USG_A] ike proposal 10 //Configure an IKE proposal. [USG_A-ike-proposal-10] authentication-method pre-share [USG_A-ike-proposal-10] authentication-algorithm sha1 [USG_A-ike-proposal-10] integrity-algorithm hmac-sha1-96 [USG_A-ike-proposal-10] quit [USG_A] ike peer b //Configure an IKE peer. [USG_A-ike-peer-b] ike-proposal 10 [USG_A-ike-peer-b] remote-address 202.38.169.1 [USG_A-ike-peer-b] pre-shared-key abcde [USG_A-ike-peer-b] quit [USG_A] ipsec policy map1 10 isakmp //Configure an IPSec policy. [USG_A-ipsec-policy-isakmp-map1-10] security acl 3000 [USG_A-ipsec-policy-isakmp-map1-10] proposal tran1 [USG_A-ipsec-policy-isakmp-map1-10] ike-peer b [USG_A-ipsec-policy-manual-map1-10] quit [USG_A] interface GigabitEthernet 0/0/2 [USG_A-GigabitEthernet0/0/2] ipsec policy map1 //Apply the IPSec policy to the interface. [USG_B] acl 3000 //Configure an ACL to match sensitive traffic packets. [USG_B-acl-adv-3000] rule permit ip source 10.1.2.0 0.0.0.255 destination 10.1.1.0 0.0.0.255 [USG_B-acl-adv-3000] quit [USG_B] ip route-static 10.1.1.0 255.255.255.0 202.38.169.2 //Configure a route. [USG_B] ipsec proposal tran1 //Configure an IPSec proposal. [USG_B-ipsec-proposal-tran1] encapsulation-mode tunnel [USG_B-ipsec-proposal-tran1] transform esp [USG_B-ipsec-proposal-tran1] esp authentication-algorithm sha1 [USG_B-ipsec-proposal-tran1] esp encryption-algorithm aes [USG_B-ipsec-proposal-tran1] quit [USG_B] ike proposal 10 //Configure an IKE proposal. [USG_B-ike-proposal-10] authentication-method pre-share [USG_B-ike-proposal-10] authentication-algorithm sha1 [USG_B-ike-proposal-10] integrity-algorithm hmac-sha1-96 [USG_B-ike-proposal-10] quit [USG_B] ike peer a //Configure an IKE peer. [USG_B-ike-peer-a] ike-proposal 10 [USG_B-ike-peer-a] remote-address 202.38.163.1 [USG_B-ike-peer-a] pre-shared-key abcde [USG_B-ike-peer-a] quit [USG_B] ipsec policy map1 10 isakmp //Configure an IPSec policy. [USG_B-ipsec-policy-isakmp-map1-10] security acl 3000 [USG_B-ipsec-policy-isakmp-map1-10] proposal tran1 [USG_B-ipsec-policy-isakmp-map1-10] ike-peer a [USG_B-ipsec-policy-isakmp-map1-10] quit [USG_B] interface GigabitEthernet 0/0/2 [USG_B-GigabitEthernet0/0/2] ipsec policy map1 //Apply the IPSec policy to the interface.

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