What is Juniper interface?

What is Juniper interface?

Juniper Networks devices have two types of interfaces: network interfaces and special interfaces. This topic provides brief information about these interfaces. For additional information, see the Junos OS Network Interfaces Library for Routing Devices.

How do you bring up the interface in Juniper?

Enable/Disable Interface in Juniper

  1. [email protected]# set interfaces ge-0/0/1.0 disable << This is cisco equivalent of “shutdown” – To Juniper enable interface:
  2. [email protected]# delete interfaces ge-0/0/1.0 disable << This is cisco equivalent of “no shutdown” Verification:
  3. [email protected]#show ge-0/0/1.0.

What is PFE interface Juniper?

The Packet Forwarding Engine (PFE) is the central processing element of the forwarding plane, systematically moving the packets in and out of the device. In the Junos OS, the PFE has a locally stored forwarding table.

What is the interface of router?

An IP address is assigned to each of the router’s two “interfaces”. The first router interface is called the WAN (Wide Area Network) interface. This is the side of the router that faces the Internet and has a public IP address. The second router interface is called the LAN (Local Area Network) interface.

Is a router a network interface?

A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the internet, such as a web page or email, is in the form of data packets.

What does unit mean in Juniper?

Unit is the designation that Junos uses to allow multiple logical interfaces to be configured on a single physical interface. The interface is for physical configurations and unit is used for logical configuration parameters.

How do I get into Juniper config mode?

To switch between operational mode and configuration mode:

  1. When you log in to the device and type the cli command, you are automatically in operational mode:
  2. To enter configuration mode, type the configure command or the edit command from the CLI operational mode.

What are three functions of the re Juniper?

The RE’s primary functions are to manage the PFE, control the device’s software (Junos operating system), manage the command-line interface (CLI), provide troubleshooting tools, and maintain the route tables (both the route table and the route forwarding table).

What are two functions of the PFE choose two?

The PFE is the central processing component of the forwarding plane. The PFE uses Layer 2 and Layer 3 forwarding tables to forward traffic toward its destination. The PFE implements various services such as policing, stateless firewall filtering, and class of service.

Can a router have 4 interfaces?

It is possible to have multiple networks on the same interface with VLANs. Then for every VLAN the router has a different IP. Originally Answered: Will a router have more than one IP address?

What is the purpose of a loopback interface?

The loopback interface is used to identify the device. While any interface address can be used to determine if the device is online, the loopback address is the preferred method. Whereas interfaces might be removed or addresses changed based on network topology changes, the loopback address never changes.