Software Version November
Copyright 2006 Cisco Systems, Inc. All rights reserved
N T E N T S
Iii
Enabling Port Fast
Showing Circuits
Ospf Overview
Vii
Configuring the Address Resolution Protocol
Viii
Enabling CDP
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Interface Trunking Between VLANs
Xii
Field Description for the show bridge port-fast Command
Field Descriptions for the show arp management-port Command
Preface
This guide is organized as follows
How to Use This Guide
Audience
Xvi
Related Documentation
Xvii
Xviii
Xix
Symbols and Conventions
TACACS+
Cisco.com
Obtaining Documentation
Xxi
Product Documentation DVD Ordering Documentation
Documentation Feedback
Xxii
Cisco Product Security Overview
Reporting Security Problems in Cisco Products
Xxiii
Obtaining Technical Assistance
Product Alerts and Field Notices
Xxiv
Cisco Technical Support & Documentation Website
Xxv
Definitions of Service Request Severity
Submitting a Service Request
Xxvi
Obtaining Additional Publications and Information
Xxvii
Xxviii
Configuring Interfaces and Circuits
Interface and Circuit Overview
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CSS Interfaces and Circuits
Config# interface e1
Interface and Circuit Configuration Quick Start
Log in to the CSS Enter configuration mode by typing config
Config# interface 2/1
Config# circuit VLAN1
Optional Display the interface configuration
Optional Display the circuit configuration
Config# circuit VLAN3
Configuring Interfaces
Config-if2/1#show running-config interface 2/1
Configuring an Interface
Config-if2/1#description Connects to server17
Entering a Description for the Interface
Configuring Interface Duplex and Speed
To remove an interface description, enter
Configuring Interfaces and Circuits
Setting Interface Maximum Idle Time
Config-if1/1#phy auto-negotiate disable
Bridging an Interface to a Vlan
Specifying Vlan Trunking for an Interface
Selecting a Default Vlan in a Trunk
To remove the default Vlan selection, enter
Configuring Interfaces and Circuits
To restore the default path cost, enter
Configuring Spanning-Tree Bridge Pathcost
Configuring Spanning-Tree Bridge Port Priority
To restore the default port priority of 128, enter
To disable the bridge state, enter
Configuring Port Fast on an Interface
Configuring Spanning-Tree Bridge State
Config-ife7#bridge state enable
Config# bridge bpdu-guard enabled
Config-if2/1#bridge port-fast enable
Config-if2/1#bridge port-fast disable
Enabling Port Fast
Config# bridge bpdu-guard disabled
Showing Port Fast Information
Showing Interface Configurations
Showing Bridge Configurations
Vlan
Bridge interface virtual LAN number
Field Description
Port CSS port
Showing Trunking Configurations
Showing Interface Information
Vlan on the port
Config# show phy 2/1
6describes the fields in the show interface command output
Showing Interface Duplex and Speed
7describes the fields in the show phy command output
Showing Interface Statistics
That do not have such an address for example, a serial line
8describes the fields in the show mibii command output
Interface address at the protocol layer immediately
This object contains an octet string of zero length
# clear statistics
Integral number of octets in length but do not pass
Showing Ethernet Interface Errors
Number of frames received on the interface that are an
Frame check sequence FCS check
Field Description
Shutting Down an Interface
Shutting Down All Interfaces
To shut down all interfaces, enter
Restarting an Interface
Restarting All Interfaces
To restart all interfaces, enter
Configuring a Circuit IP Interface
Configuring Circuits
Entering Circuit Configuration Mode
Config# circuit VLAN7
Configuring a Circuit IP Address
Configuring a Circuit-IP Broadcast Address
Configuring Circuit-IP Redirects
Configuring Circuit-IP Unreachables
100
To disable router discovery, enter
Enabling and Disabling a Circuit IP
Preference
Configuring Router-Discovery Limited-Broadcast
Configuring the Router-Discovery Lifetime
To revert to the default of 224.0.0.1, enter
Max-advertisement-interval
Configuring the Router-Discovery Max-Advertisement-Interval
Configuring the Router-Discovery Min-Advertisement-Interval
Min-advertisement-interval
Showing Circuits
10describes the fields in the show circuits command output
To list an individual circuit, enter
Showing IP Interfaces
Indicates whether RIP is Enabled or Disabled
# show ip interfaces
Enabling RIP on an IP Interface
Configuring RIP for an IP Interface
To stop running the RIP on the interface, enter
Configuring a RIP Receive Version
Configuring a RIP Default Route
Configuring RIP Send Version
Configuring RIP Packet Logging
Showing RIP Configurations for IP Addresses
12describes the fields in the show rip command output
# show rip globals
# show rip statistics
Configuring the Switched Port Analyzer Feature
Example of Span Connectivity
Configuring Span on a CSS
Config# setspan srcport 3/3 destport 3/12 copyBoth
Verifying the Span Configuration on a CSS
Config# no setspan srcport 3/3 destport 3/12
Field Description
Configuring Spanning-Tree Bridging for the CSS
Config# bridge hello-time
Config# bridge aging-time
Config# bridge forward-time
CSS Spanning-Tree Bridging Quick Start
Set the bridge spanning-tree maximum age, in seconds
Configuring Spanning-Tree Bridge Aging-Time
To restore the default aging time of 300, enter
Recommended Display bridge forwarding information
To restore the default delay time of 4, enter
Configuring Spanning-Tree Bridge Hello-Time
Configuring Spanning-Tree Bridge Max-Age
To restore the default hello time interval of 1, enter
Disabling Bridge Spanning-Tree
Configuring Spanning-Tree Bridge Priority
To restore the default maximum age of 6, enter
To set the bridge maximum age to 21, enter
To reenable spanning-tree bridging, enter
Showing Bridge Configurations
To disable spanning-tree bridging, enter
Config# bridge spanning-tree disable
Field Description
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Configuring Open Shortest Path First
Ospf Overview
Ospf Routing Hierarchy Link-State Databases
Ospf Routing Hierarchy
Boundry Router2
Areas
Autonomous System
Backbone Area
Stub Area
Area Border Routers
Autonomous System Boundary Routers
Link-State Databases
CSS Ospf Configuration Quick Start
Global Ospf Configuration Quick Start
Enable Ospf on the CSS
# config
Ospf IP Interface Configuration Quick Start
Access global configuration mode. Enter
Config# circuit VLAN6
Configure the IP interface as an Ospf interface. Enter
# show ospf redistribute
Verifying Your Configuration
# show ospf global
# show ospf advertise
To delete the router ID on the CSS, disable Ospf and enter
Configuring Ospf on the CSS
Configuring the Ospf Router ID
Config# ospf router-id
To disable OSPF, enter
Configuring an Area
Enabling Ospf
Configuring Summarized Routes at an ABR
Configuring Equal-Cost Routes
Removing an Area
To remove the range, enter
To remove the CSS as an AS boundary router, enter
Advertising a Route as an Ospf ASE Route
VIP is
Config# ospf advertise 192.168.44.0
Config# no ospf advertise
Are preceded by an exclamation point
Advertising a Default ASE Route
Config# ospf default
Config# ospf redistribute firewall
Config# ospf default metric 10 type1
Config# no ospf default
Advertising Other Routes Through Ospf
Config# no ospf redistribute rip
Configuring Ospf on a CSS IP Interface
Config# ospf redistribute rip metric 3 type1
To stop advertising the RIP routes via OSPF, enter
Configuring the CSS IP Interface as an Ospf Interface
Configure this circuit as an Ospf circuit. Enter
To disable Ospf on the interface, enter
Configuring the Interface Attributes
To reset the interface to the default backbone area, enter
Assigning an Ospf Area to the Interface
Setting the Cost
Setting the Dead Router Interval
Setting the Password
Setting the Hello Packet Interval
To remove the Ospf password from the interface, enter
Setting the Poll Interval
Setting the Priority of the CSS
Setting the Retransmission Interval
Setting the Transit-Link Delay
Showing Ospf Area Information
3describes the fields in the show ospf areas command output
Showing Ospf Information
To show information about Ospf areas, enter
Showing Global Statistics
To show Ospf global statistics, enter
Showing IP Interface Information
To show Ospf interfaces, enter
Field
Field Description
Showing Link-State Databases
To show the entire database, enter
6describes the fields in the show ospf lsdb command output
# show ospf lsdb
Field Description
To show the configuration of ASE routes into OSPF, enter
Showing the Configured Advertised ASE Routes
7describes the fields in the show ospf ase command output
Showing ASE Entries
# show ospf advertise 192.168.11.1/24
Showing the Redistribution Policy
Firewall Field Description
Showing Ospf Neighbors
Showing Summary Route Configuration Information
To show the summary-route configuration information, enter
To show the Ospf neighbors, enter
Field Description
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Ospf Configuration in a Startup-Configuration File
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Configuring the Address Resolution
Protocol
Set the time, in seconds, to wait for an ARP resolution
ARP Configuration Quick Start
Define a static ARP mapping
Configuring ARP
Config# no arp
Config# arp mac-down-immediate
Configuring ARP Timeout
To reset the default behavior, enter
Config# no arp mac-down-immediate
Updating ARP Parameters
Configuring ARP Wait
To restore the default wait time of 5 seconds, enter
Clearing ARP Parameters
Showing ARP Information
# clear arp cache
2describes the fields in the show arp command output
# show arp summary
# show arp file
4describes the fields in the show arp config command output
# show arp config
# show arp management-port
Field Descriptions for the show arp management-port Command
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Configuring Routing Information Protocol
Config# rip advertise 192.168.1.0/24
RIP Configuration Quick Start
Configure the CSS to advertise a route through RIP
Config# rip redistribute static
Configuring RIP Redistribute
Configuring RIP Advertise
Config# no rip advertise 192.168.1.0/24
Configuring Equal-Cost RIP Routes
Config# no rip equal-cost
Showing RIP Configurations
3describes the fields in the show rip globals command output
Field Descriptions for the show rip statistics Command
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Configuring the Internet Protocol
IP Configuration Quick Start
Configuring an IP Route
Configuring the Internet Protocol Configuring an IP Route
To remove a static route, enter
For example, to configure a blackhole route, enter
To remove a firewall route, enter
Disabling an Implicit Service for the Static Route Next Hop
Config# no ip no-implicit-service
Configuring an IP Source Route
To reset the default setting, enter
Config# ip source-route
Configuring Box-to-Box Redundancy
Configuring the IP Record Route
To disable box-to-box redundancy, enter
Config# no ip ecmp no-prefer-ingress
Configuring IP Equal-Cost Multipath
Config# ip ecmp no-prefer-ingress
Config# ip ecmp roundrobin
Config# no ip subnet-broadcast
Configuring IP Unconditional Bridging
Config# ip uncond-bridging
To restore the default behavior of the CSS, enter
Config# no ip uncond-bridging
Config# no ip opportunistic
Config# ip opportunistic all
Config# ip route 0.0.0.0 /0 192.168.1.7 originated-packets
Config# ip advanced-route-remap
Configuring Advanced Route Remapping
Showing IP Configuration Information
Config# no ip advanced-route-remap
Showing IP Global Configuration Parameters
Whether RIP is enabled or disabled
4describes the fields in the show ip routes command output
Showing IP Routing Information
Index value that identifies the local interface through
Showing IP Statistics
Which the next hop of this route should be reached
TCP Statistics
Icmp Statistics
ARP Statistics
Resetting IP Statistics
Showing a Summary of IP Global Statistics
Field Descriptions for the show ip summary Command
Configuring the Cisco Discovery Protocol
Config# cdp timer
CDP Configuration Quick Start
Config# cdp holdTime
Recommended Display and verify CDP information for the CSS
Config# no cdp holdTime
Setting the CDP Hold Time
To disable CDP transmissions on the CSS, enter
Enabling CDP
Showing CDP Information
Setting the CDP Transmission Rate
Config# no cdp timer
24-8540-1show cdp neighbors
Configuring the Dhcp Relay Agent
Enable the Dhcp relay agent on the CSS circuit
Dhcp Relay Agent Configuration Quick Start
Optional Verify the Dhcp configuration
Adding a Dhcp Destination on a Circuit
To disable the Dhcp relay agent on the circuit, enter
Config-circuitVLAN2#no dhcp relay-to
Enabling and Disabling Dhcp on the Circuit
Defining the Hops Field Value for Forwarding Dhcp Messages
Displaying the Dhcp Relay Configuration
Config# no dhcp-agent max-hops
# show dhcp-relay-agent global
Field Description
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Bpdu guard Displaying information Enabling
Aging time, configuring for bridging
IN-1
CLI
IN-2
DNS
IN-3
IP Ecmp
IN-4
IN-5
IN-6
IN-7
MIB-II interface Ospf global
IN-8