About alex20123

alex20123 · 05-04-2022

Hi,I have built a site to site VPN between Route A and Route B.Router Apublic IP: 1.1.1.1subnet A : 10.1.1.1/24PC_A in subnet A 10.1.1.2Router Bpublic IP: 2.2.2.2subnet B : 20.1.1.1/24PC_B in subnet B 20.1.1.2, but only route 20.1.1.0/24 to Router B ...

alex20123 · 05-05-2022

I can't modify network settings in Subnet B except the Router B, therefore I want use NAT after traffic decryption, but I'm not very proficient in configuration

alex20123 · 05-04-2022

I can see ICMP echo request packet in PC_B using tcpdump, but there is no reply packet.$ sudo tcpdump -i eth0 icmp -vvv tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes 20:21:32.586519 IP (tos 0x0, ttl 254, id 202, o...

alex20123 · 05-04-2022

here is Router A config ##### R1 ##### crypto isakmp policy 1 encr aes hash sha authentication pre-share group 2 lifetime 86400 crypto isakmp key password123 address 2.2.2.2 ip access-list extended acl-R1-R2 permit ip 10.1.1.0 0.0.0.255 2...

Member Since	‎05-04-2022 12:12 PM
Date Last Visited	‎05-06-2022 12:04 AM
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NAT after decrypt site to site VPN

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