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RUCKUS FastIron Security Configuration Guide, 10.0.20 53-1005810-08

  • 1 Vistance Legal Statements
  • Preface Ruckus
    • 3 Contact Information, Resources, and Conventions
      • 3.1 Contacting RUCKUS Customer Services and Support
      • 3.2 Document Feedback
      • 3.3 RUCKUS Product Documentation Resources
      • 3.4 Online Training Resources
      • 3.5 Document Conventions
      • 3.6 Command Syntax Conventions
  • About This Document
    • 4 About This Document
      • 4.1 New in This Document
      • 4.2 Supported Hardware
    • 5 Managing User Accounts
      • 5.1 User Accounts Overview
      • 5.2 Configuring Local User Accounts
        • 5.2.1 Configuring Advanced Local User Account Features
        • 5.2.2 Modifying Local User Account Passwords or Privileges
        • 5.2.3 Deleting Local User Accounts
      • 5.3 Enabling SSH Access
      • 5.4 Password and Device Recovery
  • 6 TACACS+ Server Authentication
    • 6.1 TACACS+ Security
      • 6.1.1 How TACACS+ Differs from TACACS
    • 6.2 TACACS+ Authentication, Authorization, and Accounting
      • 6.2.1 TACACS+ Authentication
      • 6.2.2 TACACS+ Authorization
      • 6.2.3 TACACS+ Accounting
      • 6.2.4 AAA Operations for TACACS+
        • 6.2.4.1 AAA Security for Commands Pasted into the running-config
    • 6.3 TACACS+ Configuration
      • 6.3.1 TACACS+ Configuration Considerations
      • 6.3.2 Identifying the TACACS+ Servers
      • 6.3.3 Configuring Authentication-method Lists for TACACS+
      • 6.3.4 Entering Privileged EXEC Mode after a Telnet or SSH Login
      • 6.3.5 Specifying Different Servers for Individual AAA Functions
      • 6.3.6 Setting Optional TACACS+ Parameters
        • 6.3.6.1 Setting the TACACS+ Key
        • 6.3.6.2 Setting the Retransmission Limit
        • 6.3.6.3 Setting the Timeout Parameter
      • 6.3.7 Configuring TACACS+ Authorization
        • 6.3.7.1 Configuring Exec Authorization
        • 6.3.7.2 Configuring Command Authorization
      • 6.3.8 TACACS+ Accounting Configuration
        • 6.3.8.1 Configuring TACACS+ Accounting for Telnet/SSH (Shell) Access
        • 6.3.8.2 Configuring TACACS+ Accounting for CLI Commands
        • 6.3.8.3 Configuring TACACS+ Accounting for System Events
      • 6.3.9 Configuring an Interface as the Source for All TACACS+ Packets
      • 6.3.10 Configuring TACACS+ for Devices in a Traditional Stack
      • 6.3.11 TACACS+ Configuration Example
    • 6.4 Displaying TACACS+ Statistics and Configuration Information
  • RADIUS Authentication
    • 7 RADIUS Authentication
      • 7.1 RADIUS Security
        • 7.1.1 RADIUS Authentication
        • 7.1.2 RADIUS Authorization
        • 7.1.3 RADIUS Accounting
        • 7.1.4 AAA Operations for RADIUS
        • 7.1.5 AAA Security for Commands Pasted into the running-config
      • 7.2 RADIUS Configuration Considerations
      • 7.3 Configuring RADIUS (Overview)
      • 7.4 Configuring Company-Specific Attributes on the RADIUS Server
      • 7.5 Identifying the RADIUS Server to the Ruckus Device
      • 7.6 Configuring an SSL Profile for Use with RADIUS Server Hosts
      • 7.7 Specifying Different Servers for Individual AAA Functions
      • 7.8 Specifying RADIUS Server Priority
      • 7.9 RADIUS Security Configuration Example
      • 7.10 Mapping RADIUS Servers to Ports
      • 7.11 RADIUS Configuration Example
      • 7.12 Setting Up RADIUS over IPv6
      • 7.13 Setting RADIUS Parameters
      • 7.14 Configuring Detection of Dead RADIUS Servers
      • 7.15 Source Address Configuration for RADIUS Packets
      • 7.16 Configuring Authentication-method Lists for RADIUS
        • 7.16.1 Authentication-Method Values
        • 7.16.2 Entering Privileged EXEC Mode after a Telnet or SSH Login
      • 7.17 RADIUS Authorization
        • 7.17.1 Configuring Exec Authorization
        • 7.17.2 Configuring Command Authorization
        • 7.17.3 Enabling RADIUS CoA and Disconnect Message Handling for Dynamic Authorization
          • 7.17.3.1 RADIUS Disconnect Message and CoA Events
          • 7.17.3.2 Supported IETF Attributes in RFC 5176
      • 7.18 RADIUS Accounting
        • 7.18.1 Configuring RADIUS Accounting for Telnet/SSH (Shell) Access
        • 7.18.2 Configuring RADIUS Accounting for CLI Commands
        • 7.18.3 Configuring RADIUS Accounting for System Events
        • 7.18.4 RADIUS Accounting for 802.1X Authentication and MAC Authentication
          • 7.18.4.1 Enabling RADIUS Accounting for 802.1X Authentication and MAC Authentication
      • 7.19 Configuring the status-server on/off
      • 7.20 Displaying RADIUS Configuration Information
    • 8 Authentication-Method Lists
      • 8.1 Authentication-Method List Overview
        • 8.1.1 Configuration Considerations for Authentication-method Lists
        • 8.1.2 Examples of Authentication-method Lists
    • 9 ICX Digital Certificates
      • 9.1 Overview of ICX Digital Certificates
    • 10 Importing Digital Certificates and RSA Private Key Files
    • 11 Displaying Information about ICX Digital Certificates
    • 12 TLS Support
  • Secure Shell (SSH)
    • 13 Secure Shell (SSH)
      • 13.1 SSH Version 2 Overview
        • 13.1.1 Tested SSHv2 Clients
        • 13.1.2 SSHv2 Supported Features
        • 13.1.3 SSHv2 Unsupported Features
        • 13.1.4 SSHv2 Authentication Types
      • 13.2 Configuring SSHv2
        • 13.2.1 Enabling and Disabling SSH by Generating and Deleting Host Keys
          • 13.2.1.1 Generating an ECDSA or RSA Key Pair
          • 13.2.1.2 Deleting ECDSA and RSA Key Pairs
          • 13.2.1.3 Providing the Public Key to Clients
        • 13.2.2 Configuring RSA Challenge-Response Authentication
          • 13.2.2.1 Importing Authorized Public Keys into the ICX Device
          • 13.2.2.2 Enabling RSA Challenge-Response and Password Authentication
        • 13.2.3 Deleting the Public Keys
      • 13.3 Optional Parameters Overview
        • 13.3.1 SSH Rekey Configuration Notes
        • 13.3.2 Setting Optional Parameters
      • 13.4 Terminating an Active SSH Connection
      • 13.5 SSHv2 Client
        • 13.5.1 Enabling the SSHv2 Client
        • 13.5.2 Configuring SSHv2 Client Public Key Authentication
          • 13.5.2.1 Generating and Deleting a Client RSA Key Pair
          • 13.5.2.2 Exporting Client Public Keys
        • 13.5.3 Establishing an SSHv2 Client Connection
      • 13.6 Enabling SSH Access
      • 13.7 Displaying SSH Information
    • 14 BSI C5 Cloud Mode
      • 14.1 Overview of BSI C5 Cloud Mode
      • 14.2 BSI Cloud Mode Limitations
      • 14.3 Configuring BSI Cloud Mode and Optional Parameters
  • SCP client support
    • 15 SCP Client Support
      • 15.1 SCP Client
      • 15.2 SCP Client Support Limitations
      • 15.3 Supported SCP Client Configurations
      • 15.4 Downloading an Image from an SCP Server
      • 15.5 Uploading an Image to an SCP Server
      • 15.6 Uploading Configuration Files to an SCP Server
      • 15.7 Downloading Configuration Files from an SCP Server
      • 15.9 Secure Copy with SSH2
        • 15.9.1 Enabling and Disabling SCP
        • 15.9.2 Secure Copy Configuration Notes
  • 16 ACLs
    • 16.1 Layer 3 ACL Overview
      • 16.1.1 ACL Scaling
      • 16.1.2 Default ACL Action
      • 16.1.3 How Hardware-based ACLs Work
      • 16.1.4 How Fragmented Packets Are Processed
    • 16.2 IPv4 ACLs
      • 16.2.1 IPv4 ACL Configuration Guidelines
      • 16.2.2 Creating and Applying a Standard IPv4 ACL
      • 16.2.3 IPv4 Extended ACL Traffic Filtering Criteria
      • 16.2.4 Creating and Applying an Extended IPv4 ACL
      • 16.2.5 Applying Egress ACLs to Control (CPU) Traffic
      • 16.2.7 Enabling Strict Control of ACL Filtering of Fragmented Packets
      • 16.2.8 Filtering on IP Precedence and ToS Values
      • 16.2.9 ACLs to Filter ARP Packets
        • 16.2.9.1 Configuration Considerations for Filtering ARP Packets
        • 16.2.9.2 Configuring ACLs for ARP Filtering
        • 16.2.9.3 Displaying ACL Filters for ARP
        • 16.2.9.4 Clearing the Filter Count
      • 16.2.10 QoS Options for IP ACLs
        • 16.2.10.1 Configuration Notes for QoS Options
        • 16.2.10.2 Using a Combined ACL for 802.1p Marking
        • 16.2.10.3 Configuring QoS Priority for a VLAN
        • 16.2.10.4 DSCP Matching
      • 16.2.11 ACL-based Rate Limiting
      • 16.2.12 ACLs to Control Multicast Features
      • 16.2.13 Displaying IPv4 ACL Information
    • 16.3 IPv6 ACLs
      • 16.3.1 IPv6 ACL Traffic Filtering Criteria
      • 16.3.2 IPv6 Protocol Names and Numbers
      • 16.3.3 Default and Implicit IPv6 ACL Action
      • 16.3.4 IPv6 ACL Configuration Notes
      • 16.3.5 Creating and Applying an IPv6 ACL
      • 16.3.6 Neighbor Discovery (ND)-Packet DoS Attacks
      • 16.3.7 Displaying IPv6 ACLs
    • 16.4 Applying ACLs on Multiple Interfaces Simultaneously
    • 16.5 Applying an ACL to a LAG Interface
    • 16.6 Applying ACLs to VLANs
    • 16.7 ACL Logging
      • 16.7.1 Configuration Notes for ACL Logging
      • 16.7.2 Enabling ACL Logging
    • 16.8 ACL Statistics
    • 16.9 ACL Accounting
      • 16.9.1 Changing the Accounting Period
      • 16.9.2 Configuring ACL Accounting
    • 16.10 Adding a Comment for an Entry in an ACL
      • 16.10.1 Deleting a Comment from an ACL Entry
      • 16.10.2 Viewing Comments in an ACL
    • 16.11 Sequence-based ACL Editing
      • 16.11.1 Inserting Rules into ACLs
      • 16.11.2 Deleting Rules from ACLs
    • 16.12 Displaying TCAM Information for ACLs
  • 17 MAC ACLs
    • 17.1 Layer 2 ACL Overview
    • 17.2 Layer 2 ACL Scale Limits
    • 17.3 MAC ACL Default Action
    • 17.4 MAC ACL Configuration Notes and Limitations
    • 17.5 Configuring and Applying MAC ACLs
    • 17.6 Displaying MAC ACL Information
  • SS_Policy-Based Routing
    • 18 Policy-Based Routing
      • 18.1 Policy-Based Routing Overview
      • 18.2 Route Maps
      • 18.3 Configuration Guidelines for IPv4 PBR
        • 18.3.1 Configuring an IPv4 PBR Policy with an IPv4 Address as the Next Hop
        • 18.3.2 Configuring an IPv4 PBR Policy with the NULL0 Interface as the Next Hop
        • 18.3.3 Configuring an IPv4 PBR Policy with a Tunnel as the Next Hop
        • 18.3.4 Configuring an IPv4 PBR Policy by Setting a VRF-aware Next Hop in a Route Map
        • 18.3.5 Displaying IPv4 PBR Information
      • 18.4 Configuration Guidelines for IPv6 PBR
        • 18.4.1 Configuring an IPv6 PBR Policy with an IPv6 Address as the Next Hop
        • 18.4.2 Configuring an IPv6 PBR Policy with the NULL0 Interface as the Next Hop
        • 18.4.3 Configuring an IPv6 PBR Policy with a Tunnel as the Next Hop
        • 18.4.4 Displaying IPv6 PBR Information
  • MACsec Key-Based Security
    • 19 Media Access Control Security
      • 19.1 MACsec Overview
      • 19.2 How MACsec Works
        • 19.2.1 MACsec Frame Format
      • 19.3 Configuring MACsec
      • 19.4 Enabling MACsec and Configuring Group Parameters
        • 19.4.1 Configuring MACsec Key-Server Priority
        • 19.4.2 Configuring MACsec Integrity and Encryption
        • 19.4.3 Configuring MACsec Frame Validation
        • 19.4.4 Configuring Replay Protection
        • 19.4.5 Configuring Data-Delay Protection
      • 19.5 Enabling and Configuring Group Interfaces for MACsec
        • 19.5.1 Configuring the Pre-shared Key
      • 19.6 Sample MACsec Configuration
      • 19.7 Displaying MACsec Information
        • 19.7.1 Displaying MACsec Configuration Details
        • 19.7.2 Displaying Information on Current MACsec Sessions
        • 19.7.3 Displaying MKA Protocol Statistics for an Interface
        • 19.7.4 Displaying MACsec Secure Channel Activity for an Interface
  • Port MAC Security
    • 20 Port MAC Security (PMS)
      • 20.1 Port MAC Security Overview
        • 20.1.1 Local and Global Resources Used for Port MAC Security
        • 20.1.2 Configuration Considerations for Port MAC Security
        • 20.1.3 Secure MAC Movement
      • 20.2 Port MAC Security Configuration
      • 20.3 Configuring Port MAC Security Globally
      • 20.4 Configuring Port MAC Security on a Specific Interface
      • 20.5 Displaying Port MAC Security Information
      • 20.6 Clearing Restricted MAC Addresses and Port Security Violation Statistics
  • 21 Flexible Authentication
    • 21.1 Flexible Authentication Overview
      • 21.1.1 MAC VLANs
      • 21.1.2 Data VLAN Requirements for Flexible Authentication
      • 21.1.3 Voice VLAN Requirements for Flexible Authentication
      • 21.1.4 Authentication Modes
      • 21.1.5 Tagged VM Client Support
      • 21.1.6 Static Authentication with MAC Authentication Filters
      • 21.1.7 Authentication Actions
        • 21.1.7.1 Authentication Timeout Action
      • 21.1.8 Authentication Session Limits on an Interface
      • 21.1.10 How Flexible Authentication Works
      • 21.1.11 Configuration Considerations and Guidelines for Flexible Authentication
    • 21.2 802.1X Authentication
      • 21.2.1 Device Roles in an 802.1X Configuration
      • 21.2.2 Communication Between the Devices
      • 21.2.3 Controlled and Uncontrolled Ports
      • 21.2.4 Port Control for Authentication
      • 21.2.5 Message Exchange During Authentication
        • 21.2.5.1 EAP Pass-Through Support
    • 21.3 MAC Authentication
      • 21.3.1 MAC Address Formats Sent to the RADIUS Server
      • 21.3.2 Authenticating Multiple Hosts Connected to the Same Port
      • 21.3.3 How Flexible Authentication Works for Multiple Clients
      • 21.3.4 Flexible Authentication Accounting
      • 21.3.5 Change of Authorization
      • 21.3.6 Multiple RADIUS Servers
      • 21.3.8 Session Aging
      • 21.3.9 Keepalive for MAC Authentication Clients
      • 21.3.10 Periodic Reauthentication of Authenticated Clients
      • 21.3.11 Denial of Service Protection Support
      • 21.3.12 SNMP Traps for Flexible Authentication
      • 21.3.13 Syslog Messages for Flexible Authentication
    • 21.4 RADIUS Attributes for Authentication and Accounting
    • 21.5 Configuring ICX Vendor-Specific Attributes on the RADIUS Server
    • 21.6 Support for the RADIUS User-Name Attribute in Access-Accept Messages
    • 21.7 Configuring the Host Location
    • 21.8 Dynamic VLAN Assignment
      • 21.8.1 Configuring the RADIUS Server to Support Dynamic VLAN Assignment for Authentication
      • 21.8.2 Authentication Success Scenarios
      • 21.8.3 Authentication Failure Scenarios
      • 21.8.4 Authentication Server Timeout Scenarios
      • 21.8.5 Authentication Client Timeout Scenarios (No Response to EAP Packets)
      • 21.8.6 Automatic Removal of Dynamic VLAN Assignments for 802.1X and MAC Authenticated Ports
    • 21.9 Dynamic ACLs in Authentication
      • 21.9.1 Dynamically Applying Existing ACLs in Flexible Authentication
        • 21.9.1.1 Configuration Guidelines for Dynamic ACLs Configured on an ICX Device
    • 21.10 Support for IP Source Guard Protection
    • 21.11 Configuring Flexible Authentication
      • 21.11.1 Flexible Authentication Configuration Prerequisites
      • 21.11.2 Configuring Flexible Authentication Globally
      • 21.11.3 Configuring Flexible Authentication on an Interface
      • 21.11.4 Enabling 802.1X Authentication
      • 21.11.5 Enabling MAC Authentication
      • 21.11.6 Excluding the RADIUS Server for Login Features
    • 21.12 Displaying Authentication Information
      • 21.12.1 Displaying Configuration
      • 21.12.2 Displaying Statistics
      • 21.12.3 Displaying the Authentication Sessions
      • 21.12.4 Displaying Information About User ACLs
      • 21.12.5 Displaying Dynamically Assigned VLAN Information
    • 21.13 Clearing Authentication Details
  • 22 IPsec
    • 22.1 IPsec Overview
      • 22.1.1 Acronyms
      • 22.1.2 Establishment of an IPsec Tunnel
      • 22.1.3 Configuration of an IPsec Tunnel
      • 22.1.4 Configuration of Traffic to Route over an IPsec Tunnel
      • 22.1.5 Supported Algorithms
      • 22.1.6 Support for PSK for IKEv2 SAs
      • 22.1.7 Unicast IPv4 over IPsec Tunnels
      • 22.1.8 IPv6 over IPsec Tunnels
      • 22.1.9 IPsec Scalability Limits
      • 22.1.10 Supported Features and Functionality
      • 22.1.11 Unsupported Features
      • 22.1.12 Limitations
      • 22.1.13 IKEv2 Traps
      • 22.1.14 IPsec Traps
      • 22.1.15 IPSec over NAT
      • 22.1.16 Downgrade Considerations
    • 22.2 Configuring Global Parameters for IKEv2
    • 22.3 Configuring an IKEv2 Proposal
    • 22.4 Configuring an IKEv2 Policy
    • 22.5 Configuring an IKEv2 Authentication Proposal
    • 22.6 Configuring an IKEv2 Profile
    • 22.7 Configuring an IPsec Proposal
    • 22.8 Configuring an IPsec Profile
    • 22.9 Activating an IPsec Profile on a VTI
    • 22.10 Routing Traffic over IPsec Using Static Routing
    • 22.11 Routing Traffic over an IPsec Tunnel Using PBR
    • 22.12 Re-establishing SAs
    • 22.13 Enabling IKEv2 Extended Logging
    • 22.14 Disabling Traps and Syslog Messages for IKEv2 and IPsec
    • 22.15 Displaying IPsec Module Information
    • 22.16 Displaying IKEv2 Configuration Information
    • 22.17 Displaying IPsec Configuration Information
    • 22.18 Displaying and Clearing Statistics for IKEv2 and IPsec
    • 22.19 Configuration Example for an IPsec Tunnel Using Default Settings (Site-to-Site VPN)
    • 22.20 Configuration Example for a Hub-to-Spoke VPN Using IPsec
    • 22.21 Configuration Example for an IPsec Tunnel in an IPsec Tunnel
    • 22.22 PKI Support for IPsec
      • 22.22.1 Certificates
      • 22.22.2 Certificate Authority
      • 22.22.3 Certificate Revocation List
      • 22.22.4 CRL Distribution Point
      • 22.22.5 Distinguished Name
      • 22.22.6 Entity
      • 22.22.7 Lightweight Directory Access Protocol
      • 22.22.8 PKI Repository
      • 22.22.9 Registration Authority
      • 22.22.10 Requester
      • 22.22.11 Certificate Enrollment Using SCEP
        • 22.22.11.1 Types of Enrollment
        • 22.22.11.2 Requirements for Requesting a Certificate
        • 22.22.11.3 Communications Between Requesters and the CA
      • 22.22.12 Configuring PKI
        • 22.22.12.1 Configuring an Entity Distinguished Name
        • 22.22.12.2 Creating a Trustpoint
        • 22.22.12.3 Configuring CA Authentication
        • 22.22.12.4 Generating a Certificate Request
        • 22.22.12.5 Extended Key Usage
        • 22.22.12.6 Creating a PKI Enrollment Profile
        • 22.22.12.7 Installing Identity Certificates
        • 22.22.12.8 Clearing the Certificate Revocation List (CRL) and PKI Counters
        • 22.22.12.9 Enabling PKI Logging
      • 22.22.13 PKI Syslog Notification of Certificates Nearing Expiration
      • 22.22.14 Displaying PKI Information
  • HTTP and HTTPS Authentication
    • 23 HTTP and HTTPS
      • 23.1 Web Authentication Overview
      • 23.2 Captive Portal Authentication (External Web Authentication)
        • 23.2.1 Captive Portal Profile for External Web Authentication
        • 23.2.2 Captive Portal on a VLAN
        • 23.2.3 Dynamic IP ACLs in Web Authentication
        • 23.2.4 Configuration Considerations for Applying IP ACLs
        • 23.2.5 Dynamically Applying Existing ACLs (HTTP and HTTPS)
        • 23.2.6 RADIUS Attribute for Session Timeout
      • 23.3 Web Authentication Configuration Considerations
      • 23.4 Configuring Web Authentication
      • 23.5 Prerequisites for Captive Portal Support with RUCKUS Cloudpath
      • 23.6 Prerequisites for Configuring Captive Portal with Aruba ClearPass
      • 23.7 Prerequisites for Configuring External Web Authentication with Cisco ISE
      • 23.8 Prerequisite Configurations on an ICX Switch for Captive Portal Authentication
      • 23.9 Creating the Captive Portal Profile for External Web Authentication
      • 23.10 Configuring Captive Portal (External Web Authentication)
      • 23.11 Web Authentication Mode Configuration
        • 23.11.1 Using Local User Databases
          • 23.11.1.1 Configuring a Local User Database
        • 23.11.2 Passcodes for User Authentication
          • 23.11.2.1 Configuring Passcode Authentication
        • 23.11.3 Automatic Authentication
          • 23.11.3.1 Configuring Automatic Authentication
      • 23.12 Web Authentication Options
        • 23.12.1 Configuring Web Authentication Options
        • 23.12.2 Web Authentication Pages
          • 23.12.2.1 Customizing Web Authentication Pages
      • 23.13 Displaying Web Authentication Information
      • 23.14 Image Download over HTTPS
      • 23.15 Configuration Download over HTTPS
      • 23.16 Configuration Upload over HTTPS
  • Denial of Service Protection
    • 24 Protecting against Denial of Service Attacks
      • 24.1 Denial of Service Protection Overview
      • 24.2 Protecting against Smurf Attacks
        • 24.2.1 Avoiding Being an Intermediary in a Smurf Attack
        • 24.2.2 Avoiding Being a Victim in a Smurf Attack
          • 24.2.2.1 Configuring Threshold Values for ICMP Packets Globally
          • 24.2.2.2 Configuring ICMP Threshold Values on an Interface
      • 24.3 Protecting against TCP SYN Attacks
        • 24.3.1 Configuring Threshold Values for TCP SYN Packets Globally
        • 24.3.2 Configuring TCP SYN Threshold Values on an Interface
        • 24.3.3 TCP MSS Adjustment Overview
        • 24.3.4 Example of TCP MSS Adjustment
        • 24.3.5 Impact on Existing Functionality
        • 24.3.6 TCP MSS Adjustment Limitations
      • 24.4 Defense against TCP Denial of Service Attacks on ICX 8100 and ICX 8200 Devices
      • 24.5 Defense against ICMP Denial of Service Attacks on ICX 8100 and ICX 8200 Devices
      • 24.6 Displaying Statistics from a DoS Attack
      • 24.7 Clear DoS Attack Statistics
      • 24.8 Distributed Denial of Service Protection Overview
      • 24.9 Protection Against a Gratuitous ARP Attack
      • 24.10 Dropping Suspicious ARP Packets
      • 24.11 Displaying Statistics from a DDoS Gratuitous ARP Attack
      • 24.12 Protection Against UDP Flooding
      • 24.13 Configuring UDP Rate Limit
      • 24.14 Displaying Statistics from a UDP Rate Limit
      • 24.15 Displaying DDoS Security Configuration Details
      • 24.16 Clear DDoS Attack Statistics
  • 25 IPv6 RA Guard
    • 25.1 Securing IPv6 Address Configuration
    • 25.2 IPv6 RA Guard Overview
      • 25.2.1 RA Guard Policy
      • 25.2.2 Whitelist
      • 25.2.3 Prefix List
      • 25.2.4 Maximum Preference
      • 25.2.5 Trusted, Untrusted, and Host Ports
    • 25.3 Configuration Notes and Feature Limitations for IPv6 RA Guard
    • 25.4 Configuring IPv6 RA Guard
    • 25.5 Example of Configuring IPv6 RA Guard
      • 25.5.1 Example: Configuring IPv6 RA Guard on a Device
      • 25.5.2 Example: Configuring IPv6 RA Guard in a Network
      • 25.5.3 Example: Verifying the RA Guard Configuration
  • 26 Joint Interoperability Test Command
    • 26.1 JITC Overview
  • OpenSSL Acknowledgements
    • 27 OpenSSL License
      • 27.1 OpenSSL License
  • 28 Keychain Module
    • 28.1 Keychain Module Overview
      • 28.1.1 Components of a Keychain
    • 28.2 OSPF Keychain Authentication
      • 28.2.1 Configuring a Keychain Module
    • 28.3 TCP Keychain Options
      • 28.3.1 Configuring TCP Keychain Options
    • 28.4 MKA Keychain Overview and Considerations
      • 28.4.1 Creating and Configuring an MKA Keychain

Clear DDoS Attack Statistics

To clear statistics about ARP and UDP packets, enter the clear statistics dos-attack command. 

device# clear statistics dos-attack
Parent topic: Protecting against Denial of Service Attacks

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