The Junos OS routing protocol process assigns a default preference value (also known as an administrative distance) to each route that the routing table receives. The default value depends on the source of the route. Ranks routes received from different sources… Read More »Juniper Route Preference Value
Adding a VPN for a Second Customer You want to configure a single PE router to keep the traffic for the two different VPNs separated. Configure the VPN for the second customer on the PE router: [edit routing-instances VPN1… Read More »Juniper VPN Configuration for two Customer
Setting Up a Simple Layer 3 VPN You want to set up a Layer 3 VPN for a customer who wants a private network for internal network communication and transactions. Creating a Layer VPN for the customer involves setting up… Read More »Juniper Layer 3 VPN Configuration
If you want to restrict access to particular source IP then this is the right topics for you. First need to create Allow Rules for IP Block and port. Here I use allowed IP Block 192.168.1.0/24 and allowed port ssh and… Read More »Block Telnet and SSH Access on JUNIPER
You can make virtual chassis maximum 10 switches. According to virtual chassis to make a master switch you have to configure as “routing-engine” and rest of the switch will be line-card. You have to give a member for diffrent switch. To make more redundant… Read More »Juniper Virtual Chassis Configuration for EX3300 EX4500 series Switch
Juniper Aggregate Ethernet / Ether Channel / Ether Bundle at EX series Switch Need to configure at chassis to make this device enable aggregate. Aggregate interface works upto 8 interface. # set chassis aggregated-devices ethernet device-count 4 [Here I create… Read More »Juniper Aggregate Ethernet / Ether Channel / Ether Bundle at EX series Switch
VLAN is a sort of Virtual LAN, a network that behaves as if they are connected to the same wire network even though they may actually be physically connected on different segments of a LAN. That mean in a same Local… Read More »Juniper Switch IP Configuration In VLAN
[To check Virtual Chassis Status for link UP/Down, Switch Status for Maset, Backup and Line card] user@ConfGeek# run show virtual-chassis status [To check Virtual Chassis Port status for UP/Down] user@ConfGeek# run show virtual-chassis vc-port [Create a New Virtual Chassis Port… Read More »Monitor, Troublshoot, Creat and Delete Virtual Chassis in EX3300, EX4500
Juniper Show Command ->To see all port and Vlan UP/Down #run show interface terse ->To see the ge-0/0/1 port Brief information #run show interface ge-0/0/1 ->To see the vlan number 501 Brief Information #run show interface vlan.501 ->To see port… Read More »Juniper Show Command
In a JUNOS devices you can show the MAC table for the better trouble shooting. A media access control address (MAC address) of a device is a unique identifier assigned to network interfaces for communications at the data link layer of… Read More »How to show MAC Address from switch