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How to Con EtherSwitch HWICs - configuration

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How to Configure EtherSwitch HWICs Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards Table 1 Default 802.1x Configuration (continued) Feature Client timeout period Authentication server timeout period Default Setting 30 seconds (when relaying a request from the authentication server to the client, the amount of time the switch waits for a response before retransmitting the request to the client). This setting is not configurable. 30 seconds (when relaying a response from the client to the authentication server, the amount of time the switch waits for a reply before retransmitting the response to the server). This setting is not configurable. 802.1x Configuration Guidelines These are the 802.1x authentication configuration guidelines: • When the 802.1x protocol is enabled, ports are authenticated before any other Layer 2 feature is enabled. • The 802.1x protocol is supported on Layer 2 static-access ports, but it is not supported on these port types: - Trunk port-If you try to enable 802.1x on a trunk port, an error message appears, and 802.1x is not enabled. If you try to change the mode of an 802.1x-enabled port to trunk, the port mode is not changed. - Switch Port Analyzer (SPAN) destination port-You can enable 802.1x on a port that is a SPAN destination port; however, 802.1x is disabled until the port is removed as a SPAN destination. You can enable 802.1x on a SPAN source port. How to Configure EtherSwitch HWICs • Configuring VLANs, page 5 • Configuring VLAN Trunking Protocol, page 7 • Configuring Layer 2 Interfaces, page 10 • Configuring 802.1x Authentication, page 18 • Configuring Spanning Tree, page 30 • Configuring MAC Table Manipulation, page 39 • Configuring Cisco Discovery Protocol, page 41 • Configuring the Switched Port Analyzer (SPAN), page 44 • Configuring Power Management on the Interface, page 46 • Configuring IP Multicast Layer 3 Switching, page 47 • Configuring IGMP Snooping, page 51 • Configuring Per-Port Storm Control, page 56 • Configuring Stacking, page 59 • Configuring Fallback Bridging, page 61 • Configuring Separate Voice and Data Subnets, page 76 6

Section	Page
Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards	1
Finding Feature Information	1
Contents	2
Prerequisites for EtherSwitch HWICs	2
Restrictions for EtherSwitch HWICs	2
Prerequisites for Installing Two Ethernet Switch Network Modules in a Single Chassis	3
Information About EtherSwitch HWICs	3
VLANs	3
Inline Power for Cisco IP Phones	4
Layer 2 Ethernet Switching	4
802.1x Authentication	4
Spanning Tree Protocol	4
Cisco Discovery Protocol	4
Switched Port Analyzer	4
IGMP Snooping	4
Storm Control	4
Intrachassis Stacking	5
Fallback Bridging	5
Default 802.1x Configuration	5
How to Configure EtherSwitch HWICs	6
Configuring VLANs	7
Adding a VLAN Instance	7
Deleting a VLAN Instance from the Database	7
Configuring VLAN Trunking Protocol	8
Configuring a VTP Server	8
Configuring a VTP Client	9
Disabling VTP (VTP Transparent Mode)	10
Configuring Layer 2 Interfaces	11
Configuring a Range of Interfaces	11
Defining a Range Macro	12
Configuring Layer 2 Optional Interface Features	13
Configuring 802.1x Authentication	19
Enabling 802.1x Authentication	19
Configuring the Switch-to-RADIUS-Server Communication	21
Enabling Periodic Reauthentication	23
Changing the Quiet Period	24
Changing the Switch-to-Client Retransmission Time	25
Setting the Switch-to-Client Frame-Retransmission Number	26
Enabling Multiple Hosts	27
Resetting the 802.1x Configuration to the Default Values	28
Displaying 802.1x Statistics and Status	29
Configuring Spanning Tree	29
Enabling Spanning Tree	30
Configuring Spanning Tree Port Priority	31
Configuring Spanning Tree Port Cost	32
Configuring the Bridge Priority of a VLAN	33
Configuring Hello Time	34
Configuring the Forward-Delay Time for a VLAN	35
Configuring the Maximum Aging Time for a VLAN	36
Configuring the Root Bridge	36
Configuring MAC Table Manipulation	38
Enabling Known MAC Address Traffic	38
Creating a Static Entry in the MAC Address Table	39
Configuring and Verifying the Aging Timer	40
Configuring Cisco Discovery Protocol	41
Enabling Cisco Discovery Protocol	41
Enabling CDP on an Interface	42
Monitoring and Maintaining CDP	43
Configuring the Switched Port Analyzer (SPAN)	44
Configuring the SPAN Sources	44
Configuring SPAN Destinations	45
Configuring Power Management on the Interface	46
Configuring IP Multicast Layer 3 Switching	47
Enabling IP Multicast Routing Globally	47
Enabling IP Protocol-Independent Multicast (PIM) on Layer 3 Interfaces	48
Verifying IP Multicast Layer 3 Hardware Switching Summary	49
Verifying the IP Multicast Routing Table	50
Configuring IGMP Snooping	51
Enabling or Disabling IGMP Snooping	51
Enabling IGMP Immediate-Leave Processing	52
Statically Configuring an Interface to Join a Group	53
Configuring a Multicast Router Port	55
Configuring Per-Port Storm Control	56
Enabling Per-Port Storm Control	56
Disabling Per-Port Storm Control	58
Configuring Stacking	59
Configuring Fallback Bridging	61
Creating a Bridge Group	61
Preventing the Forwarding of Dynamically Learned Stations	63
Configuring the Bridge Table Aging Time	64
Filtering Frames by a Specific MAC Address	65
Adjusting Spanning-Tree Parameters	66
Adjusting BPDU Intervals	70
Monitoring and Maintaining the Network	75
Configuring Separate Voice and Data Subnets	76
Configuring a Single Subnet for Voice and Data	77
Managing the EtherSwitch HWIC	78
Adding Trap Managers	78
Configuring IP Information	79
Enabling Switch Port Analyzer	82
Managing the ARP Table	84
Managing the MAC Address Tables	84
Removing Dynamic Addresses	86
Adding Secure Addresses	87
Removing a Secure Address	87
Configuring Static Addresses	88
Removing a Static Address	89
Clearing All MAC Address Tables	90
Configuration Examples for EtherSwitch HWICs	90
Range of Interface: Examples	91
Single Range Configuration: Example	91
Range Macro Definition: Example	91
Optional Interface Feature: Examples	91
Interface Speed: Example	92
Setting the Interface Duplex Mode: Example	92
Adding a Description for an Interface: Example	92
Stacking: Example	92
VLAN Configuration: Example	92
VLAN Trunking Using VTP: Example	93
Spanning Tree: Examples	93
Spanning-Tree Interface and Spanning-Tree Port Priority: Example	93
Spanning-Tree Port Cost: Example	94
Bridge Priority of a VLAN: Example	95
Hello Time: Example	95
Forward-Delay Time for a VLAN: Example	95
Maximum Aging Time for a VLAN: Example	95
Spanning Tree: Examples	95
Spanning Tree Root: Example	96
MAC Table Manipulation: Example	96
Switched Port Analyzer (SPAN) Source: Examples	96
SPAN Source Configuration: Example	96
SPAN Destination Configuration: Example	96
Removing Sources or Destinations from a SPAN Session: Example	96
IGMP Snooping: Example	97
Storm-Control: Example	98
Ethernet Switching: Examples	99
Subnets for Voice and Data: Example	99
Inter-VLAN Routing: Example	99
Single Subnet Configuration: Example	100
Ethernet Ports on IP Phones with Multiple Ports: Example	100
Additional References	100
Related Documents	101
Standards	102
MIBs	102
RFCs	102
Technical Assistance	102

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Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards

How to Configure EtherSwitch HWICs

802.1x Configuration Guidelines

These are the 802.1x authentication configuration guidelines:

•

When the 802.1x protocol is enabled, ports are authenticated before any other Layer 2 feature is

enabled.

•

The 802.1x protocol is supported on Layer 2 static-access ports, but it is not supported on these port

types:

–

Trunk port—If you try to enable 802.1x on a trunk port, an error message appears, and 802.1x

is not enabled. If you try to change the mode of an 802.1x-enabled port to trunk, the port mode

is not changed.

–

Switch Port Analyzer (SPAN) destination port—You can enable 802.1x on a port that is a SPAN

destination port; however, 802.1x is disabled until the port is removed as a SPAN destination.

You can enable 802.1x on a SPAN source port.

How to Configure EtherSwitch HWICs

•

Configuring VLANs, page 5

•

Configuring VLAN Trunking Protocol, page 7

•

Configuring Layer 2 Interfaces, page 10

•

Configuring 802.1x Authentication, page 18

•

Configuring Spanning Tree, page 30

•

Configuring MAC Table Manipulation, page 39

•

Configuring Cisco Discovery Protocol, page 41

•

Configuring the Switched Port Analyzer (SPAN), page 44

•

Configuring Power Management on the Interface, page 46

•

Configuring IP Multicast Layer 3 Switching, page 47

•

Configuring IGMP Snooping, page 51

•

Configuring Per-Port Storm Control, page 56

•

Configuring Stacking, page 59

•

Configuring Fallback Bridging, page 61

•

Configuring Separate Voice and Data Subnets, page 76

Client timeout period

30 seconds (when relaying a request from the

authentication server to the client, the amount of time the

switch waits for a response before retransmitting the

request to the client). This setting is not configurable.

Authentication server timeout period

30 seconds (when relaying a response from the client to

the authentication server, the amount of time the switch

waits for a reply before retransmitting the response to the

server). This setting is not configurable.

Table 1

Default 802.1x Configuration (continued)

Feature

Default Setting