EX Default Configuration. When you commit changes to the configuration, a new configuration file is created, which becomes the active configuration. You can always revert to the factory default configuration. The following is the factory-default configuration file for an EXT switch with 24 ports without PoE capability that runs a version of Junos OS release earlier than To run the ezsetup script, the switch must have the factory-default configuration as the active configuration.
If you have configured anything on the switch and want to run ezsetuprevert to the factory-default configuration. You will not be able to log in to the switch as the root user through Telnet.
Root login is allowed only through SSH. The default option for Telnet is no. Change this to yes to enable Telnet. Configure in-band management. In in-band management, you configure a network interface or an uplink module expansion module interface as the management interface and connect it to the management device. In this scenario, you have the following two options:. Specify the management IP address and the default gateway.
Select the ports that must be part of this VLAN. Configure out-of-band management —Configure the management port. In out-of-band management, you use a dedicated management channel MGMT port to connect to the management device. Specify the IP address and gateway of the management interface.
Use this IP address to connect to the switch. If you use the J-Web interface to continue configuring the switch, the Web session is redirected to the new management IP address. If the connection cannot be made, the J-Web interface displays instructions for starting a J-Web session. Installing and Connecting an EX Switch.Juniper Networks is a networking company who create and manufacture the Juniper switch and router series.
They also provide help with securing these devices, creating fast networks, and connections amongst their products. Juniper Networks has several different series of routers and switches each with slight alterations of their configuration methods. This sometimes creates a problem when looking at even a switch or router in the same series but different model.
I will be giving a configuration overview of the Juniper Ex series switches. The Ex series switches are very flexible and scalable for any sized corporation along.
For all intents and purposes, we will be working with a Juniper Ex switch that is on its default factory settings. During this overview it should be noted that many Ex commands require the user to input custom string names or highly variable commands. In these cases I will indicate it using italics when giving the general command. If it is a highly variable command I will give an explanation and some examples on possible completion statements.
An example of highly variable commands include the firewall which can have destination ports, source ports, destination addresses, and other filter options.
I have provided several useful commands that are basic to configure the Juniper switch along with commands that allow for debugging and analysis on the current configuration. Below is the table of some of these basic juniper commands along with a brief description, and an example of a valid usage of the command.
In the Juniper switch configuration settings are contained within elements, and elements often have elements contained within them too. Each part of the Juniper switch command after the action command, such as set, edit, and delete, is an element in which we can set ourselves to begin our configuration at with the usage of the edit command.
So for example, if we were focusing on the element forward-routing dhcp-relay and all its sub elements and wishes to configure it. We could type set forward-routing dhcp-relay … where … is the rest of the command, or we could use edit forward-routing dhcp-relay to begin in the sub element forward-routing dhcp-relay. By using the edit command this way we can use commands like set and delete as if we had already typed in forward-routing dhcp-relay or other elements this makes the commands needed to change or delete configurations shorter and more efficient to perform.
At the factory default settings a Juniper Ex switch will only require a user name, root, for you to log on and begin configuration. The first task before you can begin configuring the switch is to set up a password for the root user. Without setting up the password first the Juniper switch will not allow the usage of the commit command until a password is set to be committed.
Using the cli and the configuration commands we can enter configuration mode as shown by Figure 1 below. You may for security purposes instead of plain-text-password use encrypted-password so that after creation your password is encrypted but for the purpose of this Ex overview we will be using plain-text-password as an example.
Now with the root password set we can begin configuration of the Juniper Ex switch. Once the password is set, we can check it using the show configuration command in cli mode.How to Configure L2-VLAN on JUniper EX albanimarx.pw4
We will need to type in both the user and the password anytime afterwards when we log into the Juniper Switch. For a Juniper Switch that interacts with networks, if we wish for its interfaces to host an IP address it will need to be configured on the individual interface. The delete command in configuration mode can be used to delete this setting. The last part of the general command is highly variable as it can be something such as inet, inetv6, or other settings on the interface but inet and inet6 elements do need the family element before them for a successful command.
To set an IP address, we will need to use the set command on the interface we wish to use.
Configuring Junos OS on the EX4300
This may also be done for IPv6 if inet is replaced with inet6 and the IP address after it is replaced with a valid IPv6 address. Below with figure 3 I have provided examples of a successful configuration of an IP version 4 and 6 before removing the family ethernet-switching configuration.
Juniper switches may be used as a DHCP relay point and to configure one you will need to use the forwarding-options and dhcp-relay elements of the configuration settings. There are multiple steps to setting up the switch to be a relay point. The first is to point the switch to the DHCP providers such as a router that are already set up. Figure 6 below shows what a successful ospf configuration looks like for two interfaces.
The last topic for this Juniper switch overview will be the configuration of a firewall in Juniper.Using Command Completion in Configuration Mode. The configuration mode of the Junos OS CLI enables you to configure a device, using configuration statements to set, manage, and monitor device properties. You can configure all Junos OS properties, including interfaces, general routing information, routing protocols, and user access, as well as several system hardware properties.
In configuration mode, you create a set of configuration statements to use. When you have finished entering the configuration statements and you are certain they are complete and correct, you commit them, which activates the configuration on the device. You can create the configuration interactively or you can create an ASCII text file containing the configuration, then load it on the device and commit it.
The following table summarizes each CLI configuration mode command. The commands are organized alphabetically. Remove the inactive: tag from a statement.
Statements or identifiers that have been activated take effect when you next issue the commit command. Add the inactive: tag to a statement, effectively commenting out the statement or identifier from the configuration.
Statements or identifiers marked as inactive are ignored when you issue the commit command. Delete a statement or identifier. All subordinate statements and identifiers contained within the specified statement path are deleted with it. Exit the current level of the statement hierarchy, returning to the level prior to the last edit command or exit from configuration mode.
The quit and exit commands are equivalent. Manage configurations that are contributed by SDK application packages by either displaying or deleting user-defined configuration contributed by the named SDK application package. A configuration defined in any native Junos OS package is never deleted by the extension command. Your current location in the configuration hierarchy is ignored when the load operation occurs.
Exit the current level of the statement hierarchy, returning to the level prior to the last edit command, or exit from configuration mode. The quit and exit commands are synonyms.Baba aliefanya mapenzi na binti yake xxx swahili
Rename an existing configuration statement or identifier. Return to a previously committed configuration. The software saves the last 10 committed configurations, including the rollback number, date, time, and name of the user who issued the commit configuration command.
The configuration statements up to and including the current level of the statement hierarchy are saved, along with the statement hierarchy containing it.
This allows a section of the configuration to be saved, while fully specifying the statement hierarchy. Create a statement hierarchy and set identifier values. This is similar to edit except that your current level in the hierarchy does not change. Return to the top level of configuration command mode, which is indicated by the  banner. You can use regular expressions to specify a pattern. Based on this pattern, Junos OS searches for items that contain these patterns and deletes them.
You can configure device properties by including the corresponding statements in the configuration. Typically, a statement consists of a system-defined keyword, which is fixed text, and an optional identifier.
An identifier is an identifying name that you can define, such as the name of an interface or a username, which enables you and the CLI to differentiate among a collection of statements. Configure accounting statistics data collection for interfaces and firewall filters. For information about the statements in this hierarchy, see the Network Management and Monitoring Guide. Configure class-of-service parameters.
Configure filters that select packets based on their contents. Configure forwarding options, including traffic sampling options.Reverting to the Default Factory Configuration.
The default factory configuration which contains the basic configuration settings is the first configuration of the device and is loaded when the device is first installed and powered on. If for any reason the current active configuration fails, you can revert to the default factory configuration. The default factory configuration contains the basic configuration settings. This is the first configuration of the switch, and it is loaded when the switch is first installed and powered on.
The load factory default command is a standard Junos OS configuration command. This configuration command replaces the current active configuration with the default factory configuration. This process clears prior committed configuration parameters, except for those which preserve a Virtual Chassis configuration.
This is how you can restore the factory default configuration on a Virtual Chassis multiple devices configured to work together that look like a single device without removing anything needed to keep the Virtual Chassis working. Understanding Configuration Files. Reverting to the Rescue Configuration. Help us improve your experience. Let us know what you think. Do you have time for a two-minute survey? Maybe Later.EX Switch Default Configuration.
Each EX Series switch is programmed with a factory default configuration that contains the values set for each configuration parameter when a switch is shipped. When you commit changes to the configuration, a new configuration file is created that becomes the active configuration.
You can always revert to the factory default configuration—because an EX switch does not have an LCD panel, use the CLI commands to revert to the factory default configuration. The following factory default configuration file is for an EX switch with 24 ports, all of which have PoE capability:.
The number of interfaces in the default configuration file depends on the number of ports in the EX switch.
To run the ezsetup script, the switch must have the factory-default configuration as the active configuration. If you have configured anything on the switch and want to run ezsetuprevert to the factory-default configuration. You will not be able to log in to the switch as the root user through Telnet. Root login is allowed only through SSH. The default option for Telnet is no.Iphone terminal
Change this to yes to enable Telnet. Configure in-band management. In in-band management, you configure a network interface or an uplink module expansion module interface as the management interface and connect it to the management device. In this scenario, you have the following two options:. Specify the management IP address and the default gateway. Select the ports that must be part of this VLAN.
Configure out-of-band management —Configure the management port. In out-of-band management, you use a dedicated management channel MGMT port to connect to the management device. Specify the IP address and gateway of the management interface. Use this IP address to connect to the switch. If you use the J-Web interface to continue configuring the switch, the Web session is redirected to the new management IP address.How to carve wood
If the connection cannot be made, the J-Web interface displays instructions for starting a J-Web session. Read the following steps before you begin the configuration. You must complete the initial configuration by using EZSetup within 10 minutes. The switch exits EZSetup after 10 minutes and reverts to the factory default configuration, and the PC loses connectivity to the switch.Ans ul51 phone case
EX and EXC switch—Press the mode button located on the lower right corner of the front panel for 10 seconds. Then press the Enter button. Then press Enter. If EZSetup does not appear as an option in the menu, select Factory Default to return the switch to the factory default configuration.
EZSetup is displayed in the menu of standalone switches only when a switch is set to the factory default configuration. Synchronize the date and time settings of the switch with the management PC or set them manually by selecting the appropriate option button.By Walter J.
Goralski, Cathy Gadecki, Michael Bushong. Before you can configure the EX switch for VLANs and other features, you have to rack the switch, configure it, and attach other devices to it. Juniper switches ship in individual shipping crates.
All EX switches except the EX devices come in cardboard boxes. The EX models are much larger. You can install EX series switches in a rack or cabinet, or even on a desk or table if you have the smaller models.
If you plan to set the switch on a desk or table, insert the rubber feet into the holes in the bottom of the switch to keep the chassis from sliding on the desk and aid airflow around the device. You can install the larger EX only in a rack or cabinet. Attach the mounting brackets and use a mechanical lift to move the switch into the proper position. When you plug them in, they start booting.
If you need to power down the switch, you have to halt the software and then unplug it.
One easy way to initially configure the switch is to use the J-web GUI interface. After the switch powers up, press the Menu button next to the LCD panel on the front of the box and navigate to the Maintenance Menu. On the Basic Settings page, set the name of the switch the hostnamethe root password, and the date and time. The ports for plugging network devices into the switch are on the front of the switch.
If you used the default VLAN when you initially configured the switch, all the devices you connect to the switch are placed into this VLAN and can begin transmitting traffic on the network without further configuration of the switch.
He has worked in the networking field for more than 40 years. Cathy Gadecki is coauthor of the first edition of Junos For Dummies.This example shows how to configure Layer 2 switching with all interfaces participating in a single VLAN.
No special configuration beyond device initialization is required before configuring this example. Three connections are in place. The connections from the MX Series device attach to Junos OS routers, but the routers are used here for testing purposes only.Listview has been removed from react native
In place of routers, you can use any IP networking devices. To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, and then copy and paste the commands into the CLI at the  hierarchy level.
How to Rack, Configure, and Attach Devices to a Juniper EX Series Switch
The following example requires that you navigate various levels in the configuration hierarchy. From configuration mode, confirm your configuration by entering the show interfaces and show bridge-domains commands.
If the output does not display the intended configuration, repeat the instructions in this example to correct the configuration. If you are done configuring the device, enter commit from configuration mode.
From Device S1, run the show bridge mac-table extensive command. The output shows that the attached devices have established Layer 3 connectivity, with Device S1 doing transparent Layer 2 bridging. If the destination MAC address of a packet is unknown to the device that is, the destination MAC address in the packet does not have an entry in the forwarding tablethe device duplicates the packet and floods it on all interfaces in the bridge domain other than the interface on which the packet arrived.
This is known as packet flooding and is the default behavior for the device to determine the outgoing interface for an unknown destination MAC address.
Help us improve your experience. Let us know what you think. Do you have time for a two-minute survey? Maybe Later. To configure Device S PING
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