Ukwenza itonela ye-IPSec GRE phakathi kweMikrotik hEX S kunye neJuniper SRX ngeModem ye-USB

Injongo

Kuyimfuneko ukuququzelela iTunnel yeVPN phakathi kwezixhobo ezimbini, ezifana neMikrotik kunye neJuniper SRX line.

Yintoni esinayo?

Ukusuka kwi-Mikrotik, sikhethe imodeli kwiwebhusayithi ye-Mikrotik wiki enokuxhasa i-IPSec ye-encryption ye-hardware; ngokombono wethu, kwavela ukuba kuhlangene kwaye kungabizi kakhulu, oko kukuthi i-Mikrotik hEXS.

IModem ye-USB yathengwa kumqhubi weselula okufutshane; imodeli yayiyiHuawei E3370. Asizange senze nayiphi na imisebenzi yokuqhawula kumsebenzisi. Yonke into isemgangathweni kwaye ithungwe ngumqhubi ngokwakhe.

Ingundoqo ineJuniper SRX240H i-router ephakathi.

Kweneke ntoni

Kwakunokwenzeka ukuphumeza isikimu somsebenzi esikuvumela ukuba wenze uxhumano lwe-IPsec ngokusebenzisa umqhubi weselula, ngaphandle kokuba nedilesi ye-static, usebenzisa imodem, apho i-GRE Tunnel ihlanganiswe khona.

Lo mzobo wokudibanisa usetyenziswa kwaye usebenza kwiimodem ze-USB ze-Beeline kunye ne-Megafon.

Ulungelelwaniso luhamba ngolu hlobo lulandelayo:

IJuniper SRX240H ifakwe kwi-core
Idilesi Yengingqi: 192.168.1.1/24
Idilesi yangaphandle: 1.1.1.1/30
GW: 1.1.1.2

Indawo ekude

Mikrotik hEX S
Idilesi Yengingqi: 192.168.152.1/24
Idilesi yangaphandle: Dynamic

Umzobo omncinci wokukunceda uqonde indlela esebenza ngayo:

Ukwenza itonela ye-IPSec GRE phakathi kweMikrotik hEX S kunye neJuniper SRX ngeModem ye-USB

Uqwalaselo lweJuniper SRX240:

Ukukhutshwa kweSoftwe kaJUNOS [12.1X46-D82]

Uqwalaselo lweJuniper

interfaces {
    ge-0/0/0 {
        description Internet-1;
        unit 0 {
            family inet {
                address 1.1.1.1/30;
            }
        }
    }
    gr-0/0/0 {
        unit 1 {
            description GRE-Tunnel;
            tunnel {
                source 172.31.152.2;
                destination 172.31.152.1;
            }
            family inet;    
    vlan {
        unit 0 {
            family inet {
                address 192.168.1.1/24;
            }
        }
    st0 {
        unit 5 {
            description "Area - 192.168.152.0/24";
            family inet {
                mtu 1400;
            }
        }
routing-options {
    static {
        route 0.0.0.0/0 next-hop 1.1.1.2;
        route 192.168.152.0/24 next-hop gr-0/0/0.1;
        route 172.31.152.0/30 next-hop st0.5;
    }
    router-id 192.168.1.1;
}
security {
    ike {
        traceoptions {
            file vpn.log size 256k files 5;
            flag all;
        }
        policy ike-gretunnel {
            mode aggressive;
            description area-192.168.152.0;
            proposal-set standard;
            pre-shared-key ascii-text "mysecret"; ## SECRET-DATA
        }
        gateway gw-gretunnel {
            ike-policy ike-gretunnel;
            dynamic inet 172.31.152.1;
            external-interface ge-0/0/0.0;
            version v2-only;
        }
    ipsec {
        }
        policy vpn-policy0 {
            perfect-forward-secrecy {
                keys group2;
            }
            proposal-set standard;
        }
        vpn vpn-gretunnel {
            bind-interface st0.5;
            df-bit copy;
            vpn-monitor {
                optimized;
                source-interface st0.5;
                destination-ip 172.31.152.1;
            }
            ike {
                gateway gw-gretunnel;
                no-anti-replay;
                ipsec-policy vpn-policy0;
                install-interval 10;
            }
            establish-tunnels immediately;
        }
    }
    policies {  
        from-zone vpn to-zone vpn {
            policy st-vpn-vpn {
                match {
                    source-address any;
                    destination-address any;
                    application any;
                }
                then {
                    permit;
                    log {
                        session-init;   
                        session-close;
                    }
                    count;
                }
            }
        }
        from-zone trust to-zone vpn {
            policy st-trust-to-vpn {
                match {
                    source-address any;
                    destination-address any;
                    application any;
                }
                then {                  
                    permit;
                    log {
                        session-init;
                        session-close;
                    }
                    count;
                }
            }
        }
        from-zone vpn to-zone trust {
            policy st-vpn-to-trust {
                match {
                    source-address any;
                    destination-address any;
                    application any;
                }
                then {
                    permit;
                    log {
                        session-init;
                        session-close;
                    }
                    count;
                }
            }
        }
    zones {                             
        security-zone trust {
                vlan.0 {
                    host-inbound-traffic {
                        system-services {
                            all;
                        }
                        protocols {
                            all;
                        }
                    }
                }
        security-zone vpn {
            interfaces {
                st0.5 {
                    host-inbound-traffic {
                        protocols {
                            ospf;
                        }
                    }
                }
                gr-0/0/0.1 {
                    host-inbound-traffic {
                        system-services {
                            all;
                        }
                        protocols {
                            all;        
                        }
                    }
                }
        security-zone untrust {
            interfaces {
                ge-0/0/0.0 {
                    host-inbound-traffic {
                        system-services {
                            ping;
                            ssh;
                            ike;
                        }
                    }
                }
            }
        }
vlans {                                 
    vlan-local {
        vlan-id 5;
        l3-interface vlan.1;
    }

Uqwalaselo lweMikrotik hEX S:

Uguqulelo lwesoftware ye-RouterOS [6.44.3]

Uqwalaselo lweMikrotik

/ip address
add address=172.31.152.1/24 comment=GRE-Tunnel interface=gre-srx network=172.31.152.0
add address=192.168.152.1/24 comment=Local-Area interface=bridge network=192.168.152.0

/interface gre
add comment=GRE-Tunnel-SRX-HQ !keepalive local-address=172.31.152.1 name=gre-srx remote-address=172.31.152.2

/ip ipsec policy group
add name=srx-gre

/ip ipsec profile
add dh-group=modp1024 dpd-interval=10s name=profile1

/ip ipsec peer
add address=1.1.1.1/32 comment=GRE-SRX exchange-mode=aggressive local-address=172.31.152.1 name=peer2 profile=profile1

/ip ipsec proposal
set [ find default=yes ] enc-algorithms=aes-256-cbc,aes-128-cbc,3des
add enc-algorithms=aes-128-cbc,3des name=proposal1

/ip route
add distance=10 dst-address=192.168.0.0/16 gateway=gre-srx

/ip ipsec identity
add comment=IPSec-GRE my-id=address:172.31.152.1 peer=peer2 policy-template-group=srx-gre secret=mysecret

/ip ipsec policy
set 0 disabled=yes
add dst-address=0.0.0.0/0 proposal=proposal1 sa-dst-address=1.1.1.1 sa-src-address=172.31.152.1 src-address=172.31.152.0/30 tunnel=yes

/ip address
add address=172.31.152.1/24 comment=GRE-Tunnel interface=gre-srx network=172.31.152.0
add address=192.168.152.1/24 comment=Local-Area interface=bridge network=192.168.152.0

Isiphumo:
Ukusuka kwicala leJuniper SRX

netscreen@srx240> ping 192.168.152.1  
PING 192.168.152.1 (192.168.152.1): 56 data bytes
64 bytes from 192.168.152.1: icmp_seq=0 ttl=64 time=29.290 ms
64 bytes from 192.168.152.1: icmp_seq=1 ttl=64 time=28.126 ms
64 bytes from 192.168.152.1: icmp_seq=2 ttl=64 time=26.775 ms
64 bytes from 192.168.152.1: icmp_seq=3 ttl=64 time=25.401 ms
^C
--- 192.168.152.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 25.401/27.398/29.290/1.457 ms

Ukusuka kwiMikrotik

net[admin@GW-LTE-] > ping 192.168.1.1 
  SEQ HOST                                     SIZE TTL TIME  STATUS                                                                                                                                               
    0 192.168.1.1                                56  64 34ms 
    1 192.168.1.1                                56  64 40ms 
    2 192.168.1.1                                56  64 37ms 
    3 192.168.1.1                                56  64 40ms 
    4 192.168.1.1                                56  64 51ms 
    sent=5 received=5 packet-loss=0% min-rtt=34ms avg-rtt=40ms max-rtt=51ms 

ezifunyanisiweyo

Emva kokuba umsebenzi owenziweyo, sifumene iTunnel ye-VPN ezinzile, ukusuka kwinethiwekhi ekude sinokufikelela kwinethiwekhi yonke ekhoyo emva komjunipha, kwaye, ngokufanelekileyo, emva.

Andikucebisi ukusebenzisa i-IKE2 kwesi sikimu; kuye kwavela imeko yokuba emva kokuqalisa kwakhona isixhobo esithile, i-IPSec ayizange iphakame.

umthombo: www.habr.com

Yongeza izimvo