Before You Configure Pos; Configuration Tasks - Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - LINK LAYER CONFIGURATION GUIDE 2010-10-13 Configuration Manual

JunosE 11.3.x Link Layer Configuration Guide

Before You Configure POS

Configuration Tasks

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Before you configure a POS interface, verify that you have correctly installed the required
module. For information about installing modules in ERX7xx models, ERX14xx models,
and ERX310 router, see ERX Hardware Guide, Chapter 4, Installing Modules. For information
about installing modules in the E120 and E320 routers, see E120 and E320 Hardware
Guide, Chapter 4, Installing Modules. Then verify that no ATM interfaces are defined on
the physical port.
Also have the following information available:
Interfaces specifiers for the POS interfaces that you want to create
For more information about specifying POS interfaces on E Series routers, see Interface
Types and Specifiers in JunosE Command Reference Guide.
IP addresses and subnet mask assignments for IP interfaces
To configure a POS interface:
Configure a physical interface.
1.
host1(config)#interface pos 0/1
(Optional) Assign a text description or an alias to the interface.
2.
host1(config-if)#pos description austin01 pos interface
Configure the encapsulation method.
3.
host1(config-if)#encapsulation ppp
(Optional) Configure the internal clock source.
4.
host1(config-if)#clock source internal module
(Optional) Set the size of the CRC.
5.
host1(config-if)#crc 32
(Optional) Set the time interval at which the router calculates bit and packet rate
6.
counters.
host1(config-if)#load-interval 90
(Optional) Set the type of loopback mode.
7.
host1(config-if)#loopback line
(Optional) Set the MRU size.
8.
host1(config-if)#mru 1000
(Optional) Set the MTU size.
9.
host1(config-if)#mtu 1000
(Optional) Set the type of framing.
10.
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