Router - Juniper SRX

The Juniper SRX range of routers are high-performance routers, intended for small business and branch networks. The can often be bought cheaply on eBay.

Known working setups

Router	JunOS Version	Modem	Who	Status
SRX100B	12.1X44-D40.2	BT Provided Huawei HG612 FTTC Modem	Nhumfrey	✓ Working 2015-01-13

Example Config

system { host-name dsl-router; domain-name aa.net.uk; time-zone Europe/London; root-authentication { encrypted-password "XXXX"; } name-server { 217.169.20.20; 217.169.20.21; } services { ssh; xnm-clear-text; web-management { http { interface vlan.3; } https { system-generated-certificate; interface vlan.3; } } dhcp { name-server { 217.169.20.20; 217.169.20.21; } pool 192.168.1.0/24 { address-range low 192.168.1.100 high 192.168.1.250; router { 192.168.1.1; } } } } syslog { archive size 100k files 3; user * { any emergency; } file messages { any critical; authorization info; } file interactive-commands { interactive-commands error; } } max-configurations-on-flash 5; max-configuration-rollbacks 5; license { autoupdate { url https://ae1.juniper.net/junos/key_retrieval; } } } interfaces { interface-range interfaces-trust { member fe-0/0/0; member fe-0/0/1; member fe-0/0/2; member fe-0/0/3; member fe-0/0/4; member fe-0/0/5; member fe-0/0/6; unit 0 { family ethernet-switching { vlan { members vlan-trust; } } } } fe-0/0/7 { description "PPPoE Port"; unit 0 { encapsulation ppp-over-ether; } } pp0 { traceoptions { flag all; } unit 0 { description AAISP; point-to-point; ppp-options { chap { default-chap-secret "XXXX"; local-name "XXXX@a"; no-rfc2486; passive; } } pppoe-options { underlying-interface fe-0/0/7.0; idle-timeout 0; auto-reconnect 5; client; } family inet { mtu 1492; negotiate-address; } } } vlan { unit 3 { family inet { address 192.168.1.1/24; } } } } routing-options { static { route 0.0.0.0/0 { qualified-next-hop pp0.0 { metric 1; } } } } protocols { stp; } security { screen { ids-option untrust-screen { icmp { ping-death; } ip { source-route-option; tear-drop; } tcp { syn-flood { alarm-threshold 1024; attack-threshold 200; source-threshold 1024; destination-threshold 2048; timeout 20; } land; } } } nat { source { rule-set trust-to-untrust { from zone trust; to zone untrust; rule source-nat-rule { match { source-address 0.0.0.0/0; } then { source-nat { interface; } } } } } } policies { from-zone trust to-zone untrust { policy trust-to-untrust { match { source-address any; destination-address any; application any; } then { permit; } } } } zones { security-zone trust { host-inbound-traffic { system-services { all; } protocols { all; } } interfaces { vlan.3; } } security-zone untrust { screen untrust-screen; interfaces { pp0.0; } } } } vlans { vlan-trust { vlan-id 3; l3-interface vlan.3; } }