JNCIA Lab Guide

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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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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...
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Quality of Service scenarios and configuration HP Series 2530 Switches

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This configuration review written based on official HP Advanced Traffic Management Guide with some scenarios added to clearify topics not fuly covered in the official guide. In this review you can find various configuration scenarios on QoS deployment for HP 2530 Series switches with detailed explanations how to deploy one or another QoS method/technique to achieve required results. This switch software review is intended for network administrators and support personnel who wants to depoly QoS service in low-price HP configurable switches. Download Full Review  >>GET<<  Inside this review (one of scenarios): Let's consider another example when central Core switch connects Edge switches with running services on them. On edge switches SW1, SW2, SW3 we will be prioritizing the services traffic using DSCP policy prioritization and on core switch CoreSW the traffic will be prioritized using QoS VLAN-ID Priority with 802.1p prioritization on ...
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