TechLibrary

Interfaces Overview
Interfaces Overview Overview of Uplink Failure Detection Understanding Aggregated Ethernet Interfaces and LACP Understanding the Algorithm Used to Hash LAG Bundle and Egress Next-Hop ECMP Traffic Understanding Interface Naming Conventions Understanding Interface Ranges Understanding Layer 3 Logical Interfaces Understanding Local Link Bias Understanding Management Interfaces Understanding Port Ranges and System Modes Understanding Redundant Trunk Links Understanding Generic Routing Encapsulation

Interfaces Overview

Overview of Uplink Failure Detection

Understanding Aggregated Ethernet Interfaces and LACP

Understanding the Algorithm Used to Hash LAG Bundle and Egress Next-Hop ECMP Traffic

Understanding Interface Naming Conventions

Understanding Interface Ranges

Understanding Layer 3 Logical Interfaces

Understanding Local Link Bias

Understanding Management Interfaces

Understanding Port Ranges and System Modes

Understanding Redundant Trunk Links

Understanding Generic Routing Encapsulation

Configuration Examples
Example: Configuring Interfaces for Uplink Failure Detection Example: Configuring Redundant Trunk Links for Faster Recovery

Configuration Examples

Example: Configuring Interfaces for Uplink Failure Detection

Example: Configuring Redundant Trunk Links for Faster Recovery

Configuration Tasks
Configuring Gigabit and 10-Gigabit Ethernet Interfaces Configuring Aggregated Ethernet LACP Configuring Ethernet Loopback Capability Configuring the Fields in the Algorithm Used To Hash LAG Bundle and ECMP Traffic (CLI Procedure) Configuring Interfaces for Uplink Failure Detection Configuring a Layer 3 Logical Interface Configuring Link Aggregation Configuring Local Link Bias (CLI Procedure) Configuring Generic Routing Encapsulation Tunneling

Configuration Tasks

Configuring Gigabit and 10-Gigabit Ethernet Interfaces

Configuring Aggregated Ethernet LACP

Configuring Ethernet Loopback Capability

Configuring the Fields in the Algorithm Used To Hash LAG Bundle and ECMP Traffic (CLI Procedure)

Configuring Interfaces for Uplink Failure Detection

Configuring a Layer 3 Logical Interface

Configuring Link Aggregation

Configuring Local Link Bias (CLI Procedure)

Configuring Generic Routing Encapsulation Tunneling

Configuration Tasks (ELS Only)
Channelizing Interfaces

Configuration Statements
802.3ad address aggregated-devices aggregated-ether-options alarm auto-negotiation chassis configured-flow-control container-devices craft-lockout description destination (Tunnels) device-count disk-failure-action enhanced-hash-key ethernet ethernet (Alarm) ether-options eui-64 fibre-channel (Alarm) filter flow-control force-up fpc gratuitous-arp-reply group group (Redundant Trunk Groups) hash-mode hold-time irb inet inet (enhanced-hash-key) inet6 inet6 (enhanced-hash-key) interface (Redundant Trunk Groups) interface-range interfaces lacp (802.3ad) lacp (Aggregated Ethernet) layer2 (enhanced-hash-key) link-to-disable link-to-monitor link-down link-mode link-speed local-bias loopback management-ethernet (Alarm) member member-range minimum-links mtu no-adaptation no-gratuitous-arp-request on-disk-failure on-loss-of-keepalives periodic preempt-cutover-timer redundancy (Graceful Switchover) redundant-trunk-group rx-buffers routing-engine source speed targeted-broadcast transmit-interval (Liveness Detection) traceoptions traps tunnel tunnel-port tx-buffers unit uplink-failure-detection vlan-id vlan-tagging

Configuration Statements

802.3ad

address

aggregated-devices

aggregated-ether-options

alarm

auto-negotiation

chassis

configured-flow-control

container-devices

craft-lockout

description

destination (Tunnels)

fibre-channel (Alarm)

group (Redundant Trunk Groups)

inet (enhanced-hash-key)

inet6

inet6 (enhanced-hash-key)

interface (Redundant Trunk Groups)

interface-range

interfaces

lacp (802.3ad)

lacp (Aggregated Ethernet)

layer2 (enhanced-hash-key)

management-ethernet (Alarm)

no-gratuitous-arp-request

on-disk-failure

on-loss-of-keepalives

periodic

preempt-cutover-timer

redundancy (Graceful Switchover)

redundant-trunk-group

transmit-interval (Liveness Detection)

uplink-failure-detection

vlan-id

vlan-tagging

Configuration Statements (ELS Only)
channel-speed chassis ethernet-switching family fpc interface-mode pic

Configuration Statements (ELS Only)

Routine Monitoring
Monitoring System Process Information Monitoring System Properties Monitoring Interface Status and Traffic Verifying That Layer 3 Logical Interfaces Are Working Verifying the Status of a LAG Interface Verifying That LACP Is Configured Correctly and Bundle Members Are Exchanging LACP Protocol Packets Verifying That Generic Routing Encapsulation Tunneling Is Working Correctly

Routine Monitoring

Monitoring System Process Information

Monitoring System Properties

Monitoring Interface Status and Traffic

Verifying That Layer 3 Logical Interfaces Are Working

Verifying the Status of a LAG Interface

Verifying That LACP Is Configured Correctly and Bundle Members Are Exchanging LACP Protocol Packets

Verifying That Generic Routing Encapsulation Tunneling Is Working Correctly

Monitoring Commands
monitor interface show forwarding-options enhanced-hash-key show interfaces diagnostics optics show interfaces ge show interfaces (GRE) show interfaces queue show interfaces xe show lacp interfaces show lacp statistics interfaces (View) show redundant-trunk-group show uplink-failure-detection

Monitoring Commands

monitor interface

show forwarding-options enhanced-hash-key

show interfaces diagnostics optics

show interfaces ge

show interfaces (GRE)

show interfaces queue

show interfaces xe

show lacp interfaces

show lacp statistics interfaces (View)

show redundant-trunk-group

show uplink-failure-detection