Interface Configuration on Cisco, Juniper, Alcatel-Lucent Routers

In this post we explain how to configure interfaces on Cisco, Juniper and Alcatel-Lucent

Cisco Interface Configuration:

In Cisco we use physical interfaces to configure the IP address

Cisco-RTR#sh run interface gigabitEthernet 2/2/20

Building configuration...

Current configuration : 95 bytes

!

interface GigabitEthernet1/9

 ip address 10.10.10.1 255.255.255.252

end

 

Juniper Interface Configuration:

In Juniper we always configure IP address in logical interface.

lab@juniper#set interfaces ge-2/2/20 unit 0 family inet address 10.10.10.1/30

 

lab@Juniper> show configuration interfaces ge-2/2/20                 

unit 0 {

    family inet {

        address 10.10.10.1/30;

    }

}

 

Alcatel-Lucent Interface configuration:

Alcatel-Lucent 7750 SR router ports must be configured as either access, hybrid or network. The default is network.

·         Access ports — Customer facing ports on which services are configured

·         Network ports —Network facing ports.

·         Hybrid ports — Configured for access and network facing traffic.

 

Configuring interface in Alcatel is different when compared with Juniper and Cisco. Interface is completely logical entity in Alcatel-Lucent.

 

Configure Port Properties:

 

ALU-RTR# configure port 2/2/20 ethernet mtu 1500

ALU-RTR# configure port 2/2/20 no shutdown

 

To view configuration on port go into configure port 2/2/20 hierarchy and enter info

 

ALU-RTR>config>port# info

----------------------------------------------

        ethernet

            mtu 1500

        exit

        no shutdown

----------------------------------------------

ALU-RTR>config>port#

 

Interface Configuration:

 

For interface we have to give the name .To Configure Interface enter following commands:

 

ALU-RTR# configure router interface <INTERFACE-NAME>  address 10.10.10.1/30

ALU-RTR# configure router interface <INTERFACE-NAME>  port 2/2/20

ALU-RTR# configure router interface <INTERFACE-NAME>  no shutdown

 

To view configuration on interface go into configure router interface <INTERFACE-NAME>   hierarchy and enter info

 

ALU-RTR>config>router>if# info

---------------------------------------------

         address 10.10.10.1/30

            port 2/2/20

            no shutdown

----------------------------------------------

ALU-RTR>config>router>if#

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