Reference Guide

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Table Of Contents

About this Guide
- Objectives
- Audience
- Conventions
- Information Symbols
- Related Documents
Configuration Fundamentals
- Accessing the Command Line
- CLI Modes
  - Navigating CLI Modes
- The do Command
- Undoing Commands
- Obtaining Help
- Entering and Editing Commands
- Command History
- Filtering show Command Outputs
- Multiple Users in Configuration mode
Getting Started
- Console access
  - Serial console
    - Accessing the RJ-45 console port with a DB-9 adapter
- Default Configuration
- Configure a Host Name
- Access the System Remotely
  - Access the C-Series, E-Series, S-Series, and the Z-Series Remotely
  - Access the S-Series Remotely
- Configure the Enable Password
- Configuration File Management
- File System Management
- View command history
- Upgrading FTOS
Management
- Configure Privilege Levels
- Configure Logging
- Log Messages in the Internal Buffer
  - Configuration Task List for System Log Management
- Disable System Logging
- Send System Messages to a Syslog Server
  - Configure a Unix System as a Syslog Server
- Change System Logging Settings
- Display the Logging Buffer and the Logging Configuration
- Configure a UNIX logging facility level
- Synchronize log messages
- Enable timestamp on syslog messages
- File Transfer Services
  - Configuration Task List for File Transfer Services
- Terminal Lines
  - Deny and Permit Access to a Terminal Line
  - Configure Login Authentication for Terminal Lines
- Time out of EXEC Privilege Mode
- Telnet to Another Network Device
- Lock CONFIGURATION mode
  - Viewing the Configuration Lock Status
- Recovering from a Forgotten Password on the S4810
  - Recovering from a Forgotten Enable Password on the S4810
- Recovering from a Failed Start on the S4810
802.1ag
- Ethernet CFM
- Maintenance Domains
- Maintenance Points
- Maintenance End Points
- Implementation Information
- Configure CFM
  - Related Configuration Tasks
- Enable Ethernet CFM
- Create a Maintenance Domain
- Create a Maintenance Association
- Create Maintenance Points
- Continuity Check Messages
  - Enable CCM
  - Enable Cross-checking
- Loopback Message and Response
- Linktrace Message and Response
  - Link Trace Cache
- Enable CFM SNMP Traps.
- Display Ethernet CFM Statistics
802.1X
- Protocol Overview
  - The Port-authentication Process
  - EAP over RADIUS
    - RADIUS Attributes for 802.1 Support
- Configuring 802.1X
  - Related Configuration Tasks
- Important Points to Remember
- Enabling 802.1X
- Configuring Request Identity Re-transmissions
  - Configuring a Quiet Period after a Failed Authentication
- Forcibly Authorizing or Unauthorizing a Port
- Re-authenticating a Port
  - Periodic Re-authentication
- Configuring Timeouts
- Dynamic VLAN Assignment with Port Authentication
- Guest and Authentication-fail VLANs
  - Configuring a Guest VLAN
  - Configuring an Authentication-fail VLAN
Access Control Lists (ACLs)
- Overview
- IP Access Control Lists (ACLs)
  - CAM Profiling, CAM Allocation, and CAM Optimization
  - Implementing ACLs on FTOS
- IP Fragment Handling
  - IP fragments ACL examples
  - Layer 4 ACL rules examples
- Configure a standard IP ACL
- Configure an extended IP ACL
- Configuring Layer 2 and Layer 3 ACLs on an Interface
- Assign an IP ACL to an Interface
  - Counting ACL Hits
- Configuring Ingress ACLs
- Configuring Egress ACLs
  - Egress Layer 3 ACL Lookup for Control-plane IP Traffic
- Configuring ACLs to Loopback
  - Applying an ACL on Loopback Interfaces
- IP Prefix Lists
  - Implementation Information
  - Configuration Task List for Prefix Lists
    - Configure a prefix list
    - Use a prefix list for route redistribution
- ACL Resequencing
  - Resequencing an ACL or Prefix List
- Route Maps
  - Implementation Information
- Important Points to Remember
  - Configuration Task List for Route Maps
Bidirectional Forwarding Detection (BFD)
- Protocol Overview
  - How BFD Works
- Important Points to Remember
- Configuring Bidirectional Forwarding Detection
Border Gateway Protocol
- Protocol Overview
- BGP Attributes
- Multiprotocol BGP
- Implementing BGP with FTOS
- Configuration Information
- BGP Configuration
- BGP Regular Expression Optimization
- Debugging BGP
- Sample Configurations
Bare Metal Provisioning 3.0 (BMP 3.0)
- Overview
- Prerequisites
- Important Information
- BMP Process Overview
- Preparing BMP
- Reload Modes
- Scripts
- Configuration Tasks
- Script Examples
  - Auto-execution Script - Normal mode
  - Pre-configuration Script - BMP Mode
Content Addressable Memory (CAM)
- Content Addressable Memory
- CAM Profiles
- Microcode
- CAM Profiling for ACLs
- Boot Behavior
  - Example: EF Line Card with EG Chassis Profile (Card Problem)
  - Example: EH Line Card with EG Chassis Profile (Card Problem)
- When to Use CAM Profiling
- Important Points to Remember
  - Differences Between EtherScale and TeraScale
- Select CAM Profiles
- CAM Allocation
- Test CAM Usage
- View CAM Profiles
- View CAM-ACL settings
- View CAM Usage
- Configure IPv4Flow Sub-partitions
- Configure Ingress Layer 2 ACL Sub-partitions
- Return to the Default CAM Configuration
- CAM Optimization
- Applications for CAM Profiling
- Troubleshoot CAM Profiling
  - CAM Profile Mismatches
  - QoS CAM Region Limitation
Control Plane Policing (CoPP)
- Overview
- Configure Control Plane Policing
Data Center Bridging (DCB)
- Ethernet Enhancements in Data Center Bridging
- Enabling Data Center Bridging
- QoS dot1p Traffic Classification and Queue Assignment
- Configuring Priority-Based Flow Control
  - Configuring Lossless Queues
  - Configuring the PFC Buffer in a Switch Stack
    - DCB and Switch Stacking Caveats for the S4820T
- Configuring Enhanced Transmission Selection
- Applying DCB Policies in a Switch Stack
- Configuring DCBx Operation
- Verifying DCB Configuration
- PFC and ETS Configuration Examples
S-Series Debugging and Diagnostics
- Offline diagnostics
  - Important Points to Remember
  - Running Offline Diagnostics
- Trace logs
  - Auto Save on Crash or Rollover
- Last restart reason
- Hardware watchdog timer
- show hardware commands
- Environmental monitoring
- Buffer tuning
- Troubleshooting packet loss
- Application core dumps
- Mini core dumps
- TCP dumps
Dynamic Host Configuration Protocol (DHCP)
- Protocol Overview
  - DHCP Packet Format and Options
  - Assigning an IP Address using DHCP
- Implementation Information
- Configuration Tasks
- Configure the System to be a DHCP Server
- Configure the System to be a Relay Agent
- Configure the System for User Port Stacking
- Configure Secure DHCP
Equal Cost Multi-Path (ECMP)
- ECMP for Flow-based Affinity
- Link Bundle Monitoring
- Managing ECMP Group Paths
Enabling FIPS Cryptography
- Preparing the System
- Enabling FIPS Mode
- Generating Host-Keys
- Monitoring FIPS Mode Status
- Disabling the FIPS Mode
FIP Snooping
- Fibre Channel over Ethernet
- Ensuring Robustness in a Converged Ethernet Network
- FIP Snooping on Ethernet Bridges
- FIP Snooping in a Switch Stack
- Configuring FIP Snooping
- Displaying FIP Snooping Information
- FIP Snooping Configuration Example
Force10 Resilient Ring Protocol (FRRP)
- Protocol Overview
- Implementing FRRP
- FRRP Configuration
- Troubleshooting FRRP
  - Configuration Checks
- Sample Configuration and Topology
GARP VLAN Registration Protocol (GVRP)
- Protocol Overview
  - Important Points to Remember
- Configuring GVRP
  - Related Configuration Tasks
- Enabling GVRP Globally
- Enabling GVRP on a Layer 2 Interface
- Configuring GVRP Registration
- Configuring a GARP Timer
High Availability
- Component Redundancy
  - RPM Redundancy
- Online Insertion and Removal
  - RPM Online Insertion and Removal
  - Linecard Online Insertion and Removal
    - Pre-configure a line card slot
    - Replace a line card
- Hitless Behavior
- Graceful Restart
- Software Resiliency
- Hot-lock Behavior
- Warm Upgrade
  - Configure Cache Boot
    - Cache Boot Pre-requisites
    - Select the Cache Boot Image
- Process Restartability
Internet Group Management Protocol (IGMP)
- IGMP Implementation Information
- IGMP Protocol Overview
  - IGMP version 2
    - Joining a Multicast Group
    - Leaving a Multicast Group
  - IGMP version 3
    - Joining and Filtering Groups and Sources
    - Leaving and Staying in Groups
- Configuring IGMP
  - Related Configuration Tasks
- Viewing IGMP Enabled Interfaces
- Selecting an IGMP Version
- Viewing IGMP Groups
- Adjusting Timers
  - Adjusting Query and Response Timers
  - Adjusting the IGMP Querier Timeout Value
- Configuring a Static IGMP Group
- Enabling IGMP Immediate-leave
- IGMP Snooping
- Fast Convergence after MSTP Topology Changes
- Designating a Multicast Router Interface
Interfaces
- Basic Interface Configuration:
- Advanced Interface Configuration:
- Interface Types
- View Basic Interface Information
- Enable a Physical Interface
- Physical Interfaces
  - Configuration Task List for Physical Interfaces
  - Overview of Layer Modes
  - Configure Layer 2 (Data Link) Mode
  - Configure Layer 3 (Network) Mode
- Management Interfaces
  - Configure Management Interfaces on the E-Series, C-Series and the S4810
    - Important Things to Remember — virtual-ip
  - Configure Management Interfaces on the S-Series
- VLAN Interfaces
- Loopback Interfaces
- Null Interfaces
- Port Channel Interfaces
  - Port channel definition and standards
  - Port channel benefits
  - Port channel implementation
  - 10/100/1000 Mbps interfaces in port channels
  - Configuration task list for port channel interfaces
  - Create a port channel
  - Add a physical interface to a port channel
  - Reassign an interface to a new port channel
  - Configure the minimum oper up links in a port channel (LAG)
  - Add or remove a port channel from a VLAN
  - Assign an IP address to a port channel
  - Delete or disable a port channel
  - Load balancing through port channels
  - E-Series load-balancing
  - IPv4, IPv6, and non-IP traffic handling on the E-Series
  - C-Series and S-Series load-balancing
  - Hash algorithm
- Bulk Configuration
  - Interface Range
  - Bulk Configuration Examples
- Interface Range Macros
  - Define the Interface Range
  - Choose an Interface-range Macro
- Monitor and Maintain Interfaces
  - Maintenance using TDR
- Splitting QSFP ports to SFP+ ports
  - Important Points
- Link Debounce Timer
  - Important Points to Remember about Link Debounce Timer
  - Assign a debounce time to an interface
  - Show debounce times in an interface
  - Disable ports when one only SFM is available (E300 only)
  - Disable port on one SFM
- Link Dampening
  - Important Points to Remember
  - Enable Link Dampening
- Link Bundle Monitoring
- Ethernet Pause Frames
  - Threshold Settings
  - Enable Pause Frames
- Configure MTU Size on an Interface
- Port-pipes
- Auto-Negotiation on Ethernet Interfaces
  - Setting speed and duplex mode of Ethernet Interfaces
  - Setting Auto-Negotiation Options
  - Adjust the keepalive timer
- View Advanced Interface Information
  - Display Only Configured Interfaces
  - Configure Interface Sampling Size
  - Dynamic Counters
    - Clear interface counters
IPv4 Routing
- IP Addresses
  - Implementation Information
  - Configuration Task List for IP Addresses
- Directed Broadcast
- Resolution of Host Names
- ARP
  - Configuration Task List for ARP
- ARP Learning via Gratuitous ARP
- ARP Learning via ARP Request
- Configurable ARP Retries
- ICMP
  - Configuration Task List for ICMP
    - Enable ICMP unreachable messages
    - Enable ICMP redirects
- UDP Helper
- Configuring UDP Helper
- Important Points to Remember about UDP Helper
- Enabling UDP Helper
- Configuring a Broadcast Address
- Configurations Using UDP Helper
- Troubleshooting UDP Helper
IPv6 Routing
- Protocol Overview
- Implementing IPv6 with FTOS
- ICMPv6
- Path MTU Discovery
- IPv6 Neighbor Discovery
  - IPv6 Neighbor Discovery of MTU packets
- QoS for IPv6
- IPv6 Multicast
- SSH over an IPv6 Transport
- Configuration Task List for IPv6
iSCSI Optimization
- iSCSI Optimization Overview
- Default iSCSI Optimization Values
- iSCSI Optimization Prerequisites
- Configuring iSCSI Optimization
- Displaying iSCSI Optimization Information
Intermediate System to Intermediate System
- Protocol Overview
- IS-IS Addressing
- Multi-Topology IS-IS
- Graceful Restart
  - Timers
- Implementation Information
- Configuration Information
- IS-IS Metric Styles
- Configure Metric Values
- Sample Configuration
Link Aggregation Control Protocol (LACP)
- Introduction to Dynamic LAGs and LACP
- LACP Configuration Tasks
- Shared LAG State Tracking
  - Configure Shared LAG State Tracking
  - Important Points about Shared LAG State Tracking
- Configure LACP as Hitless
- LACP Basic Configuration Example
Layer 2
- Managing the MAC Address Table
- MAC Learning Limit
- NIC Teaming
  - MAC Move Optimization
- Microsoft Clustering
- Configuring Redundant Pairs
  - Important Points about Configuring Redundant Pairs
- Restricting Layer 2 Flooding
- Far-end Failure Detection
Link Layer Discovery Protocol (LLDP)
- 802.1AB (LLDP) Overview
  - Protocol Data Units
- Optional TLVs
  - Management TLVs
    - Organizationally Specific TLVs
    - IEEE Organizationally Specific TLVs
- TIA-1057 (LLDP-MED) Overview
  - TIA Organizationally Specific TLVs
- Configuring LLDP
  - Related Configuration Tasks
- Important Points to Remember
  - LLDP Compatibility
- CONFIGURATION versus INTERFACE Configurations
- Enabling LLDP
  - Disabling and Undoing LLDP
- Advertising TLVs
- Viewing the LLDP Configuration
- Viewing Information Advertised by Adjacent LLDP Agents
- Configuring LLDPDU Intervals
- Configuring Transmit and Receive Mode
- Configuring a Time to Live
- Debugging LLDP
- Relevant Management Objects
Multicast Source Discovery Protocol (MSDP)
- Protocol Overview
  - Anycast RP
- Implementation Information
- Configuring Multicast Source Discovery Protocol
  - Related Configuration Tasks
- Enable MSDP
- Manage the Source-active Cache
- Accept Source-active Messages that fail the RFP Check
- Limit the Source-active Messages from a Peer
- Prevent MSDP from Caching a Local Source
- Prevent MSDP from Caching a Remote Source
- Prevent MSDP from Advertising a Local Source
- Log Changes in Peership States
- Terminate a Peership
- Clear Peer Statistics
- Debug MSDP
- MSDP with Anycast RP
  - Reducing Source-active Message Flooding
  - Specify the RP Address Used in SA Messages
- MSDP Sample Configurations
Multiple Spanning Tree Protocol (MSTP)
- Protocol Overview
  - Implementation Information
- Configure Multiple Spanning Tree Protocol
  - Related Configuration Tasks
- Enable Multiple Spanning Tree Globally
- Add and Remove Interfaces
- Create Multiple Spanning Tree Instances
- Influence MSTP Root Selection
- Interoperate with Non-FTOS Bridges
- Modify Global Parameters
- Modify Interface Parameters
- Configure an EdgePort
- Flush MAC Addresses after a Topology Change
- MSTP Sample Configurations
- Debugging and Verifying MSTP Configuration
Multicast Features
- Implementation Information
- Enable IP Multicast
- Multicast with ECMP
- Implementation Information
- First Packet Forwarding for Lossless Multicast
- Multicast Policies
  - IPv4 Multicast Policies
  - IPv6 Multicast Policies
- Multicast Traceroute
Open Shortest Path First (OSPFv2 and OSPFv3)
- Protocol Overview
- Implementing OSPF with FTOS
- Configuration Information
- Configuration Task List for OSPFv2 (OSPF for IPv4)
- Sample Configurations for OSPFv2
  - Basic OSPFv2 Router Topology
- Configuration Task List for OSPFv3 (OSPF for IPv6)
PIM Sparse-Mode (PIM-SM)
- Implementation Information
- Protocol Overview
- Important Points to Remember
- Configure PIM-SM
  - Related Configuration Tasks
- Enable PIM-SM
- Configurable S,G Expiry Timers
- Configure a Static Rendezvous Point
  - Override Bootstrap Router Updates
- Configure a Designated Router
- Create Multicast Boundaries and Domains
- PIM-SM Graceful Restart
- Monitoring PIM
Port Monitoring
- Important Points to Remember
- Port Monitoring on E-Series
  - E-Series TeraScale
  - E-Series ExaScale
- Port Monitoring on C-Series and S-Series
- Configuring Port Monitoring
- Flow-based Monitoring
Private VLANs (PVLAN)
- Private VLAN Concepts
- Private VLAN Commands
- Private VLAN Configuration Task List
- Private VLAN Configuration Example
  - Inspecting the Private VLAN Configuration
Per-VLAN Spanning Tree Plus (PVST+)
- Protocol Overview
- Implementation Information
- Configure Per-VLAN Spanning Tree Plus
  - Related Configuration Tasks
- Enable PVST+
  - Disable PVST+
  - Influence PVST+ Root Selection
- Modify Global PVST+ Parameters
- Modify Interface PVST+ Parameters
- Configure an EdgePort
- PVST+ in Multi-vendor Networks
- PVST+ Extended System ID
- PVST+ Sample Configurations
Quality of Service (QoS)
- Implementation Information
- Port-based QoS Configurations
- Policy-based QoS Configurations
- QoS Rate Adjustment
- Strict-priority Queueing
- Weighted Random Early Detection
- Pre-calculating Available QoS CAM Space
Routing Information Protocol (RIP)
- Protocol Overview
  - RIPv1
  - RIPv2
- Implementation Information
- Configuration Information
  - Configuration Task List for RIP
  - RIP Configuration Example
Remote Monitoring (RMON)
- Implementation
- Fault Recovery
Rapid Spanning Tree Protocol (RSTP)
- Protocol Overview
- Configuring Rapid Spanning Tree
  - Related Configuration Tasks
- Important Points to Remember
  - RSTP and VLT
- Configure Interfaces for Layer 2 Mode
- Enable Rapid Spanning Tree Protocol Globally
- Add and Remove Interfaces
- Modify Global Parameters
- Modify Interface Parameters
- Configure an EdgePort
- Influence RSTP Root Selection
- SNMP Traps for Root Elections and Topology Changes
- Fast Hellos for Link State Detection
Software-Defined Networking (SDN)
Security
- AAA Accounting
  - Configuration Task List for AAA Accounting
- AAA Authentication
  - Configuration Task List for AAA Authentication
- AAA Authorization
  - Privilege Levels Overview
  - Configuration Task List for Privilege Levels
- RADIUS
  - RADIUS Authentication and Authorization
  - Configuration Task List for RADIUS
- TACACS+
- Protection from TCP Tiny and Overlapping Fragment Attacks
- SCP and SSH
- Telnet
- Trace Lists
  - Configuration Tasks for Trace Lists
    - Creating a trace list
    - Apply trace lists
- VTY Line and Access-Class Configuration
Service Provider Bridging
- VLAN Stacking
- VLAN Stacking Packet Drop Precedence
- Dynamic Mode CoS for VLAN Stacking
- Layer 2 Protocol Tunneling
- Provider Backbone Bridging
sFlow
- Overview
- Implementation Information
  - Important Points to Remember
- Enable and Disable sFlow
  - Enable and Disable on an Interface
- sFlow Show Commands
- Specify Collectors
- Polling Intervals
- Sampling Rate
  - Sub-sampling
- Back-off Mechanism
- sFlow on LAG ports
- Extended sFlow
  - Important Points to Remember
Simple Network Management Protocol (SNMP)
- Protocol Overview
- Implementation Information
- Configure Simple Network Management Protocol
  - Related Configuration Tasks
- Important Points to Remember
- Setting up SNMP
  - Create a Community
  - Setting Up User-based Security (SNMPv3)
- Read Managed Object Values
- Write Managed Object Values
- Configure Contact and Location Information using SNMP
- Subscribe to Managed Object Value Updates using SNMP
- Copy Configuration Files Using SNMP
- Manage VLANs using SNMP
- Managing Overload on Startup
- Enable and Disable a Port using SNMP
- Fetch Dynamic MAC Entries using SNMP
- Deriving Interface Indices
- Monitor Port-channels
- Troubleshooting SNMP Operation
Stacking
- S-Series Stacking Overview
- Important Points to Remember - S4810 Stacking
- S-Series Stacking Installation Tasks
- S-Series Stacking Configuration Tasks
- Verifying a Stack Configuration
  - LED Status Indicators on an S4810 Stack
  - Display Status of Stacking Ports
- Removing Units or Front End Ports from a Stack
  - Remove a Unit from an S-Series Stack
  - Remove Front End Port Stacking
- Troubleshoot an S-Series Stack
Storm Control
- Configure Storm Control
  - Configure storm control from INTERFACE mode
  - Configure storm control from CONFIGURATION mode
Spanning Tree Protocol (STP)
- Protocol Overview
- Configuring Spanning Tree
  - Related Configuration Tasks
- Important Points to Remember
- Configuring Interfaces for Layer 2 Mode
- Enabling Spanning Tree Protocol Globally
- Adding an Interface to the Spanning Tree Group
- Removing an Interface from the Spanning Tree Group
- Modifying Global Parameters
- Modifying Interface STP Parameters
- Enabling PortFast
  - Preventing Network Disruptions with BPDU Guard
- STP Root Selection
- STP Root Guard
  - Root Guard Scenario
  - Root Guard Configuration
- SNMP Traps for Root Elections and Topology Changes
- Configuring Spanning Trees as Hitless
- STP Loop Guard
  - Loop Guard Scenario
  - Loop Guard Configuration
- Displaying STP Guard Configuration
System Time and Date
- Network Time Protocol
- FTOS Time and Date
  - Configuring time and date settings
  - Set daylight saving time
    - Set Daylight Saving Time Once
    - Set Recurring Daylight Saving Time
Uplink Failure Detection (UFD)
- Feature Description
- How Uplink Failure Detection Works
- UFD and NIC Teaming
- Important Points to Remember
- Configuring Uplink Failure Detection
- Clearing a UFD-Disabled Interface
- Displaying Uplink Failure Detection
- Sample Configuration: Uplink Failure Detection
Upgrade Procedures
- Find the upgrade procedures
- Get Help with upgrades
Virtual LANs (VLAN)
- Default VLAN
- Port-Based VLANs
- VLANs and Port Tagging
- Configuration Task List for VLANs
- VLAN Interface Counters
- Native VLANs
- Enable Null VLAN as the Default VLAN
Virtual Link Trunking (VLT)
- Overview
  - Enhanced VLT
- VLT Concepts Terminology
- Configuring Virtual Link Trunking
- RSTP Configuration
- Verifying a VLT Configuration
- Sample Configuration: Virtual Link Trunking
- Troubleshooting VLT
Virtual Router Redundancy Protocol (VRRP)
- VRRP Overview
- VRRP Benefits
- VRRP Implementation
- VRRP Configuration
  - Configuration Task List for VRRP
  - VRRP initialization delay
- Sample Configurations
Standards Compliance
- IEEE Compliance
- RFC and I-D Compliance
- MIB Location
Index

250 | Border Gateway Protocol

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