Ubuntu IPSec/L2TP VPN Configuration


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Juniper SRX Routing Instances Configuration and Importing Routes to and from virtual routers

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Our goal is to configure routing instances on all devices and provide routing between all instances with ospf protocol. Configure routing instances on SRX1: We will be using a tagged interface ge-0/0/1 where vlan 10 is for vr10.10 routing instance and vlan 20 is for vr20.20: set interfaces ge-0/0/1 vlan-tagging set interfaces ge-0/0/1 unit 10 vlan-id 10 set interfaces ge-0/0/1 unit 10 family inet address 172.16.10.1/24 set interfaces ge-0/0/1 unit 20 vlan-id 20 set interfaces ge-0/0/1 unit 20 family inet address 172.16.20.1/24 Now create routing instances and assign interfaces to them: set routing-instances vr10.10 instance-type virtual-router set routing-instances vr10.10 interface ge-0/0/1.10 set routing-instances vr20.20 instance-type virtual-router set routing-instances vr20.20 interface ge-0/0/1.20 Configure rib-groups to import routes from one routing instance to another (Another alternative is to configure policy-options for importing): set routing-instances vr10.10 routing-opti
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HPE MSR series router NAT, DHCP, SSH config

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1. NAT Configuration    1.1. Define Access List [Router] acl basic 2001  [Router] step 1 [Router] rule 0 permit [Router] rule 10 deny 2. Interfaces Configuration    2.1. External (WAN) interface configuration [Router] interface GigabitEthernet 0/0/0 [Router] ip address 10.163.195.2 255.255.255.0 [Router] nat outbound 2001     2.2. Internal (LAN) sub-interfaces configuration [Router] interface GigabitEthernet 0/0/1.2 [Router] ip address 192.168.1.2 255.255.255.0 [Router] vlan-type dot1q vid 2 [Router] interface GigabitEthernet 0/0/1.3 [Router] ip address 192.168.2.2 255.255.255.0 [Router] vlan-type dot1q vid 3 [Router] interface GigabitEthernet 0/0/1.4 [Router] ip address 192.168.3.2 255.255.255.0 [Router] vlan-type dot1q vid 4 3. DHCP Server Configuration     3.1. Enable DHCP service on router [Router] dhcp enable     3.2. Define dhcp settings for vlan 2 [Router] dhcp server ip-pool vlan 2 [Router] ne
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Install Junos with USB

You discover that your Junos EX or SRX device does not complete normal boot up. The image seems to be corrupted for some reason, such as a continuous power failure. If this occurs, don’t worry, you can get it back up within few minutes using the USB port. Step 1. Get a USB flash drive. Copy the Junos image to the USB drive (without creating folders). Use FAT file format if the USB size is less than 2 GB. Use FAT32 if the USB size is greater than or equal to 4 GB. The example below uses the file image junos-srxsme-10.4R1.9-domestic .tgz. Step 2. Insert the flash into an EX/SRX USB port. Step 3. Reboot the device. When Junos boots up, you will see the message : Press Space to abort autoboot Do nothing. A little while later, you will see: Hit [Enter] to boot immediately, or space bar for command prompt. Press the space bar. You will be at loader mode; the prompt should be loader>. If the prompt is > , type >boot to make it loader>. Step 4. Now type the following command: lo
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