Juniper EX2200 Hardware Manual page 4

Network Interfaces for EX4300 Switches
Part 2
Chapter 2
iv
Default Route Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
When to Enable Unicast RPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
When Not to Enable Unicast RPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Limitations of the Unicast RPF Implementation on EX3200, EX4200, and
EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Understanding IP Directed Broadcast for EX Series Switches . . . . . . . . . . . . . . . . 23
IP Directed Broadcast for EX Series Switches Overview . . . . . . . . . . . . . . . . . 23
IP Directed Broadcast Implementation for EX Series Switches . . . . . . . . . . . 23
When to Enable IP Directed Broadcast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
When Not to Enable IP Directed Broadcast . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Understanding Interface Ranges on EX Series Switches . . . . . . . . . . . . . . . . . . . . 24
802.1Q VLANs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Configuration
Configuration Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Configuring Gigabit Ethernet Interfaces (CLI Procedure) . . . . . . . . . . . . . . . . . . . . 32
Configuring VLAN Options and Interface Mode . . . . . . . . . . . . . . . . . . . . . . . . 32
Configuring the Link Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Configuring the IP Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Configuring Gigabit Ethernet Interfaces (J-Web Procedure) . . . . . . . . . . . . . . . . . 35
Port Role Configuration with the J-Web Interface (with CLI References) . . . . . . . . 41
Adding a Logical Unit Description to the Configuration . . . . . . . . . . . . . . . . . . . . . 45
Disabling a Physical Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Example: Disabling a Physical Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Disabling a Logical Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Configuring Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Configuring the Interface Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Configuring Interface IPv4 Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Operational Behavior of Interfaces when the Same IPv4 Address is
Assigned to Them . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Configuring Interface IPv6 Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Configuring the Interface Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Configuring the Media MTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Media MTU Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
How to Configure the Media MTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Encapsulation Overhead by Encapsulation Type . . . . . . . . . . . . . . . . . . . . . . 56
Media MTU Sizes by Interface Type for M5 and M7i Routers with CFEB, M10
and M10i Routers with CFEB, and M20 and M40 Routers . . . . . . . . . . . . 57
Media MTU Sizes by Interface Type for M40e Routers . . . . . . . . . . . . . . . . . . 57
Media MTU Sizes by Interface Type for M160 Routers . . . . . . . . . . . . . . . . . . 59
Media MTU Sizes by Interface Type for M7i Routers with CFEB-E, M10i
Routers with CFEB-E, and M320 and M120 Routers . . . . . . . . . . . . . . . . 59
Media MTU Sizes by Interface Type for MX Series Routers . . . . . . . . . . . . . . . 60
Media MTU Sizes by Interface Type for T320 Routers . . . . . . . . . . . . . . . . . . . 61
Media MTU Sizes by Interface Type for T640 Platforms . . . . . . . . . . . . . . . . . 61
Media MTU Sizes by Interface Type for J2300 Platforms . . . . . . . . . . . . . . . . 62
Media MTU Sizes by Interface Type for J4300 and J6300 Platforms . . . . . . . 62
Media MTU Sizes by Interface Type for J4350 and J6350 Platforms . . . . . . . 63
Copyright © 2015, Juniper Networks, Inc.