Section |
Page |
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide |
1 |
Contents |
3 |
Preface |
23 |
Audience |
23 |
Organization |
23 |
Related Documentation |
25 |
Conventions |
26 |
Obtaining Documentation |
27 |
Cisco.com |
27 |
Documentation CD-ROM |
27 |
Ordering Documentation |
27 |
Documentation Feedback |
28 |
Obtaining Technical Assistance |
28 |
Cisco.com |
28 |
Technical Assistance Center |
29 |
Obtaining Additional Publications and Information |
30 |
Product Overview |
31 |
Catalyst 4000 Series Switches |
31 |
Catalyst 2948G Switch |
32 |
Catalyst 2980G Switch |
33 |
Supervisor Engine Software |
33 |
Using the Command-Line Interface |
35 |
Switch CLI Overview |
35 |
Accessing the Switch CLI |
36 |
Accessing the CLI Through the Console Port |
36 |
Accessing the CLI Through Telnet |
37 |
Switch CLI Command Modes |
37 |
Accessing Help |
38 |
Command-Line Editing |
39 |
History Substitution |
40 |
Abbreviating a Command |
40 |
Completing a Partial Command |
40 |
Scrolling Through Command Output |
40 |
Using Command Aliases |
41 |
Specifying Modules, Ports, and VLANs |
41 |
Specifying MAC Addresses |
42 |
Specifying IP Addresses, Host Names, and IP Aliases |
42 |
ROM Monitor CLI |
43 |
Example of a Catalyst4003 Bootup Display |
43 |
Configuring the Switch IP Address and Default Gateway |
45 |
Understanding How the Switch Management Interfaces Work |
45 |
Understanding How Automatic IP Configuration Works |
46 |
Automatic IP Configuration Overview |
46 |
Understanding DHCP |
47 |
Understanding RARP |
48 |
Preparing to Configure the IP Address and Default Gateway |
48 |
Default IP Address and Default Gateway Configuration |
49 |
Setting the In-Band (sc0) Interface IP Address |
49 |
Setting the Management Ethernet (me1) Interface IP Address |
50 |
Configuring Default Gateways |
50 |
Configuring the SLIP (sl0) Interface on the Console Port |
52 |
Using DHCP or RARP to Obtain an IP Address Configuration |
53 |
Renewing and Releasing a DHCP-Assigned IP Address |
54 |
Configuring Ethernet and Fast Ethernet Switching |
57 |
Understanding How Ethernet Works |
57 |
Ethernet Overview |
57 |
Switching Frames Between Segments |
58 |
Building the Address Table |
58 |
Default Ethernet and Fast Ethernet Configurations |
58 |
Configuring Ethernet and Fast Ethernet Ports |
59 |
Setting Ethernet and Fast Ethernet Port Names |
59 |
Setting Ethernet and Fast Ethernet Port Priority Levels |
60 |
Setting Ethernet and Fast Ethernet Port Speeds |
60 |
Setting Ethernet and Fast Ethernet Port Duplex Modes |
61 |
Setting Ethernet and Fast Ethernet Port Debounce Timers |
62 |
Configuring errdisable State Ethernet and Fast Ethernet Port Timeout Periods |
63 |
Checking Ethernet and Fast Ethernet Port Connectivity |
64 |
Configuring Gigabit Ethernet Switching |
65 |
Understanding How Gigabit Ethernet Works |
65 |
Understanding How Gigabit Ethernet Flow Control Works |
65 |
Understanding How Port Negotiation Works |
67 |
Understanding How Oversubscribed Gigabit Ethernet Works |
67 |
Default Gigabit Ethernet Configuration |
70 |
Configuring Gigabit Ethernet Ports |
71 |
Assigning Gigabit Ethernet Port Names |
71 |
Configuring Gigabit Ethernet Port Priority Levels |
71 |
Configuring Flow Control on Gigabit Ethernet Ports |
72 |
Enabling Port Negotiation on Gigabit Ethernet Ports |
73 |
Disabling Port Negotiation |
73 |
Configuring errdisable State Gigabit Ethernet Port Timeout Periods |
73 |
Checking Gigabit Ethernet Port Connectivity |
74 |
Configuring Fast EtherChannel and Gigabit EtherChannel |
75 |
Understanding How EtherChannel Works |
75 |
EtherChannel Overview |
76 |
Understanding Frame Distribution |
76 |
Hardware Support for EtherChannel |
76 |
PAgP and LACP |
76 |
EtherChannel Configuration Guidelines and Restrictions |
77 |
Guidelines for Configuring a Port |
77 |
Guidelines for Configuring VLANs and Trunks |
78 |
EtherChannel Interaction with other Features |
78 |
Understanding the PAgP |
79 |
PAgP Modes |
79 |
Understanding Administrative Groups and EtherChannel IDs |
80 |
Configuring EtherChannel Using PAgP |
80 |
Creating an EtherChannel |
81 |
Defining an EtherChannel Administrative Group |
81 |
Setting the EtherChannel Spanning Tree Port Cost |
82 |
Setting the EtherChannel Spanning Tree Port VLAN Cost |
83 |
Removing an EtherChannel Bundle |
83 |
Displaying EtherChannel Configuration Information |
84 |
Displaying EtherChannel Traffic Statistics |
85 |
Displaying EtherChannel PAgP Statistics |
86 |
EtherChannel Configuration Examples |
86 |
Configuration Example of a Four-Port Fast EtherChannel |
86 |
Configuration Example of Two-Port Gigabit EtherChannel |
88 |
Understanding the LACP |
90 |
LACP Modes |
90 |
LACP Parameters |
91 |
Configuring EtherChannel Using LACP |
92 |
Specifying the EtherChannel Protocol |
92 |
Specifying the System Priority |
93 |
Specifying the Port Priority |
93 |
Specifying an Administrative Key Value |
93 |
Changing the Channel Mode |
94 |
Specifying the Channel Path Cost |
95 |
Specifying the Channel VLAN Cost |
95 |
Clearing LACP Statistics |
95 |
Displaying EtherChannel Traffic Utilization |
95 |
Disabling an EtherChannel |
96 |
Displaying Spanning Tree-Related Information for EtherChannels |
96 |
Configuring Spanning Tree |
97 |
Understanding How STPs Work |
98 |
Understanding How a Topology Is Created |
98 |
Understanding How a Switch or Port Becomes the Root Switch or Root Port |
99 |
Understanding BPDUs |
100 |
Calculating and Assigning Port Costs |
100 |
Understanding Spanning Tree Port States |
101 |
Understanding How PVST+ and MISTP Modes Work |
107 |
PVST+ Mode |
108 |
Rapid PVST+ |
108 |
MISTP Mode |
108 |
MISTP-PVST+ Mode |
109 |
Understanding How Bridge Identifiers Work |
109 |
MAC Address Allocation |
109 |
MAC Address Reduction |
109 |
Understanding How MST Works |
110 |
Rapid Spanning Tree Protocol |
112 |
MST-to-SST Interoperability |
113 |
Common Spanning Tree |
114 |
MST Instances |
114 |
MST Configuration |
114 |
MST Region |
115 |
Message Age and Hop Count |
117 |
MST-to-PVST+ Interoperability |
117 |
Understanding How BPDU Skewing Works |
118 |
Using PVST+ |
118 |
Default PVST+ Configuration |
119 |
Setting the PVST+ Bridge ID Priority |
119 |
Configuring the PVST+ Port Cost |
121 |
Configuring PVST+ Port Priority |
121 |
Configuring the PVST+ Default Port Cost Mode |
122 |
Configuring the PVST+ Port VLAN Cost |
122 |
Configuring the PVST+ Port VLAN Priority |
123 |
Disabling the PVST+ Mode on a VLAN |
124 |
Using Rapid PVST+ |
124 |
Using MISTP-PVST+ or MISTP |
126 |
Default MISTP Mode Configuration |
126 |
Setting the MISTP-PVST+ Mode or MISTP Mode |
127 |
Configuring the MISTP Bridge ID Priority |
128 |
Enabling an MISTP Instance |
132 |
Mapping VLANs to an MISTP Instance |
132 |
Disabling MISTP-PVST+ or MISTP |
135 |
Configuring a Root Switch |
135 |
Configuring a Primary Root Switch |
135 |
Configuring a Secondary Root Switch |
136 |
Configuring a Root Switch to Improve Convergence |
137 |
Using Root Guard—Preventing Switches from Becoming Root |
139 |
Displaying Spanning Tree BPDU Statistics |
139 |
Configuring Spanning Tree Timers |
140 |
Configuring the Hello Time |
140 |
Configuring the Forward Delay Time |
141 |
Configuring the Maximum Aging Time |
141 |
Configuring MST |
142 |
Enabling MST |
142 |
Mapping and Unmapping VLANs to an MST Instance |
150 |
Configuring Spanning Tree BPDU Skewing |
153 |
Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop G... |
157 |
Understanding How PortFast Works |
157 |
Understanding How PortFast BPDU Guard Works |
158 |
Understanding How PortFast BPDU Filtering Works |
158 |
Understanding How UplinkFast Works |
159 |
Understanding How BackboneFast Works |
160 |
Understanding How Loop Guard Works |
162 |
Configuring PortFast |
164 |
Enabling PortFast on an Access Port |
164 |
Enabling PortFast on a Trunk Port |
165 |
Disabling PortFast |
166 |
Resetting PortFast |
167 |
Configuring PortFast BPDU Guard |
167 |
Enabling PortFast BPDU Guard |
167 |
Disabling PortFast BPDU Guard |
168 |
Configuring PortFast BPDU Filtering |
169 |
Enabling PortFast BPDU Filtering |
169 |
Disabling PortFast BPDU Filtering |
170 |
Configuring UplinkFast |
171 |
Enabling UplinkFast |
171 |
Disabling UplinkFast |
172 |
Configuring BackboneFast |
173 |
Enabling BackboneFast |
173 |
Displaying BackboneFast Statistics |
173 |
Disabling BackboneFast |
174 |
Configuring Loop Guard |
174 |
Enabling Loop Guard |
174 |
Disabling Loop Guard |
175 |
Configuring VTP |
177 |
Understanding How VTP Version 1 and Version 2 Work |
177 |
Understanding the VTP Domain |
178 |
Understanding VTP Modes |
178 |
Understanding VTP Advertisements |
179 |
Understanding VTP Version 2 |
179 |
Understanding VTP Pruning |
180 |
Default VTP Version 1 and Version 2 Configuration |
181 |
VTP Version 1 and Version 2 Configuration Guidelines |
182 |
Configuring VTP Version 1 and Version 2 |
182 |
Configuring a VTP Server |
183 |
Configuring a VTP Client |
183 |
Configuring VTP (VTP Transparent Mode) |
184 |
Disabling VTP Using the Off Mode |
185 |
Enabling VTP Version 2 |
185 |
Disabling VTP Version 2 |
186 |
Enabling VTP Pruning |
187 |
Disabling VTP Pruning |
188 |
Displaying VTP Statistics |
188 |
Understanding How VTP Version 3 Works |
189 |
VTP Version 3 Authentication |
189 |
VTP Version 3 Per-Port Configuration |
190 |
VTP Version 3 Domains, Modes, and Partitions |
190 |
VTP Version 3 Modes |
194 |
VTP Version 3 Databases |
195 |
Default VTP Version 3 Configuration |
198 |
Configuring VTP Version 3 |
198 |
Enabling VTP Version 3 |
198 |
Changing VTP Version 3 Modes |
199 |
Configuring VTP Version 3 Passwords |
203 |
Configuring a VTP Version 3 Takeover |
204 |
Disabling VTP Version 3 on a Per-Port Basis |
205 |
VTP Version 3 show Commands |
205 |
Configuring VLANs |
207 |
Understanding How VLANs Work |
207 |
VLAN Ranges |
209 |
Configurable VLAN Parameters |
210 |
VLAN Default Configuration |
210 |
VLAN Configuration Guidelines |
211 |
Configuring VLANs on the Switch |
212 |
Creating or Modifying an Ethernet VLAN |
212 |
Creating or Modifying a Normal-Range Ethernet VLAN |
213 |
Creating or Modifying an Extended-Range VLAN |
215 |
Assigning Switch Ports to a VLAN |
216 |
Mapping 802.1Q VLANs to ISL VLANs |
217 |
Clearing 802.1Q-to-ISL VLAN Mappings |
218 |
Deleting a VLAN |
218 |
Configuring Auxiliary VLANs |
219 |
Understanding Auxiliary VLANs |
219 |
Configuring Private VLANs |
222 |
Private VLAN Configuration Guidelines |
223 |
Creating a Private VLAN |
225 |
Viewing the Port Capability of a Private VLAN Port |
228 |
Deleting a Private VLAN |
228 |
Deleting an Isolated or Community VLAN |
229 |
Deleting a Private VLAN Mapping |
229 |
Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports |
231 |
Understanding How VLAN Trunks Work |
231 |
Trunking Overview |
231 |
Trunking Modes and Encapsulation Types |
232 |
Trunking Support |
233 |
802.1Q Trunk Restrictions |
234 |
Default Trunk Configuration |
235 |
Configuring a Trunk Link |
235 |
Configuring an 802.1Q Trunk |
235 |
Defining the Allowed VLANs on a Trunk |
236 |
Disabling a Trunk Port |
237 |
Disabling VLAN 1 on a Trunk Link |
238 |
Example VLAN Trunk Configurations |
239 |
802.1Q Trunk over a Gigabit EtherChannel Link Example |
239 |
Load-Sharing VLAN Traffic over Parallel Trunks Example |
243 |
802.1Q Nonegotiate Trunk Configuration Example |
249 |
Configuring Dynamic VLAN Membership with VMPS |
253 |
Understanding How VMPS Works |
253 |
VMPS and Dynamic Port Hardware and Software Requirements |
254 |
Default VMPS and Dynamic Port Configuration |
255 |
Configuration Guidelines for Dynamic Ports and VMPS |
255 |
Configuring VMPS |
256 |
Creating the VMPS Database |
256 |
Configuring the VMPS Server |
259 |
Configuring VMPS Clients |
260 |
Monitoring VMPS |
261 |
Maintaining VMPS |
261 |
Configuring Static Ports |
262 |
Troubleshooting VMPS and Dynamic Port VLAN Membership |
263 |
Troubleshooting VMPS |
263 |
Troubleshooting Dynamic Ports |
263 |
VMPS Example |
264 |
Dynamic Port VLAN Membership with Auxiliary VLANs |
266 |
Configuration Guidelines |
267 |
Configuring Dynamic Port VLAN Membership with Auxiliary VLANs |
267 |
Configuring GVRP |
269 |
Understanding How GVRP Works |
269 |
GVRP Hardware and Software Requirements |
269 |
Default GVRP Configuration |
270 |
GVRP Configuration Guidelines |
270 |
Configuring GVRP on the Switch |
270 |
Enabling GVRP Globally |
270 |
Enabling GVRP on Individual 802.1Q Trunk Ports |
271 |
Enabling GVRP Dynamic VLAN Creation |
272 |
Configuring GVRP Registration |
272 |
Sending GVRP VLAN Declarations from Blocking Ports |
274 |
Setting the GARP Timers |
274 |
Displaying GVRP Statistics |
275 |
Clearing GVRP Statistics |
276 |
Disabling GVRP on Individual 802.1Q Trunk Ports |
276 |
Disabling GVRP Globally |
276 |
Configuring QoS |
277 |
Understanding How QoS Works |
277 |
QoS Overview |
277 |
Understanding QoS Terminology |
278 |
Understanding Classification and Marking at the Ingress Port |
279 |
Understanding Scheduling |
279 |
Software Requirements |
280 |
QoS Default Configuration |
280 |
Configuring QoS on the Switch |
280 |
Enabling QoS Globally |
281 |
Configuring the Default CoS Value for the Switch |
281 |
Reverting to the Default Switch CoS Value |
281 |
Mapping CoS Values to Transmit Queues and Drop Thresholds |
282 |
Reverting to the Default CoS-to-Transmit Queue and Drop Threshold Mapping |
282 |
Displaying QoS Information |
283 |
Reverting to QoS Defaults |
283 |
Disabling QoS |
283 |
Configuring Multicast Services |
285 |
Understanding How Multicasting Works |
285 |
Understanding Multicasting and Multicast Services Operation |
285 |
Joining a Multicast Group |
286 |
Leaving a Multicast Group |
286 |
Understanding GMRP Operation |
287 |
Configuring CGMP |
288 |
CGMP Hardware and Software Requirements |
288 |
Default CGMP Configuration |
288 |
Enabling CGMP |
288 |
Enabling CGMP Leave Processing |
289 |
Enabling CGMP Fast-Leave Processing |
289 |
Displaying Multicast Router Information |
290 |
Displaying Multicast Group Information |
290 |
Displaying CGMP Statistics |
291 |
Disabling CGMP Leave Processing |
292 |
Disabling CGMP Fast-Leave Processing |
292 |
Disabling CGMP |
292 |
Configuring GMRP |
293 |
GMRP Software Requirements |
293 |
Default GMRP Configuration |
293 |
Enabling GMRP Globally |
293 |
Enabling GMRP on Individual Switch Ports |
294 |
Disabling GMRP on Individual Switch Ports |
294 |
Enabling GMRP Forward-All Option |
295 |
Disabling GMRP Forward-All Option |
295 |
Configuring GMRP Registration |
296 |
Setting the GARP Timers |
297 |
Displaying GMRP Statistics |
298 |
Clearing GMRP Statistics |
299 |
Disabling GMRP |
299 |
Configuring Multicast Router Ports and Group Entries |
299 |
Specifying Multicast Router Ports |
300 |
Configuring Multicast Groups |
300 |
Disabling Multicast Router Ports |
301 |
Disabling Multicast Group Entries |
301 |
Filtering IGMP Traffic |
301 |
Using IGMP Traffic Filtering |
302 |
IGMP Software Requirements |
302 |
Default IGMP Filter Configuration |
302 |
IGMP Multicast Filter Activation |
303 |
Configuring Port IP Multicast Filtering |
304 |
Configuring Port Security |
309 |
Understanding How Port Security Works |
309 |
Allowing Traffic Based on the Host MAC Address |
309 |
Restricting Traffic Based on the Host MAC Address |
310 |
Blocking Unicast Flood Packets on Secure Ports |
311 |
Port Security Configuration Guidelines |
311 |
Configuring Port Security on the Switch |
311 |
Enabling Port Security |
311 |
Setting the Maximum Number of Secure MAC Addresses |
312 |
Setting the Port Security Age Time |
313 |
Clearing MAC Addresses |
313 |
Configuring Unicast Flood Blocking on Secure Ports |
314 |
Enabling MAC Address Notification |
315 |
Setting the Security Violation Action |
316 |
Setting the Shutdown Time |
317 |
Disabling Port Security |
317 |
Restricting Traffic for a Host MAC Address |
318 |
Monitoring Port Security |
318 |
Configuring Unicast Flood Blocking |
321 |
Understanding How Unicast Flood Blocking Works |
321 |
Configuration Guidelines for Unicast Flood Blocking |
322 |
Configuring Unicast Flood Blocking on the Switch |
322 |
Enabling Unicast Flood Blocking |
322 |
Disabling Unicast Flood Blocking |
323 |
Displaying Unicast Flood Blocking |
323 |
Configuring the IP Permit List |
325 |
Understanding How the IP Permit List Works |
325 |
IP Permit List Default Configuration |
326 |
Configuring the IP Permit List on the Switch |
326 |
Adding IP Addresses to the IP Permit List |
326 |
Enabling the IP Permit List |
327 |
Disabling the IP Permit List |
328 |
Clearing an IP Permit List Entry |
328 |
Configuring Protocol Filtering |
331 |
Understanding How Protocol Filtering Works |
331 |
Default Protocol Filtering Configuration |
332 |
Configuring Protocol Filtering on the Switch |
332 |
Configuring Protocol Filtering |
332 |
Disabling Protocol Filtering |
333 |
Checking Status and Connectivity |
335 |
Checking Module Status |
335 |
Checking Port Status |
336 |
Displaying the Port MAC Address |
338 |
Displaying Port Capabilities |
339 |
Using Telnet |
340 |
Changing the Login Timer |
340 |
Using Secure Shell Encryption for Telnet Sessions |
341 |
Monitoring User Sessions |
342 |
Using Ping |
343 |
Understanding How Ping Works |
343 |
Executing Ping |
344 |
Using Layer 2 Traceroute |
345 |
Layer 2 Traceroute Usage Guidelines |
345 |
Identifying a Layer2 Path |
345 |
Using IP Traceroute |
346 |
Understanding How IP Traceroute Works |
346 |
Executing IP Traceroute |
346 |
Configuring CDP |
349 |
Understanding How CDP Works |
349 |
Default CDP Configuration |
350 |
Configuring CDP on the Switch |
350 |
Setting the CDP Global Enable State |
350 |
Setting the CDP Enable State on a Port |
350 |
Setting the CDP Message Interval |
352 |
Setting the CDP Holdtime |
352 |
Displaying CDP Neighbor Information |
353 |
Using Switch TopN Reports |
355 |
Understanding How Switch TopN Reports Works |
355 |
Running Switch TopN Reports Without the Background Option |
356 |
Running Switch TopN Reports with the Background Option |
356 |
Running and Viewing Switch TopN Reports |
357 |
Configuring UDLD |
361 |
Understanding How UDLD Works |
361 |
UDLD Software and Hardware Requirements |
362 |
Default UDLD Configuration |
362 |
Configuring UDLD on the Switch |
363 |
Enabling UDLD Globally |
363 |
Enabling UDLD on Individual Ports |
364 |
Disabling UDLD on Individual Ports |
364 |
Disabling UDLD Globally |
364 |
Specifying the UDLD Message Interval |
365 |
Enabling UDLD Aggressive Mode |
365 |
Displaying the UDLD Configuration |
366 |
Configuring SNMP |
369 |
SNMP Terminology |
369 |
Understanding How SNMP Works |
371 |
Security Models and Levels |
372 |
SNMP ifindex Persistence Feature |
372 |
Understanding How SNMPv1 and SNMPv2c Work |
373 |
SNMPv1 and SNMPv2c Default Configuration |
374 |
Configuring SNMPv1 and SNMPv2c from an NMS |
374 |
Configuring SNMPv1 and SNMPv2c from the CLI |
374 |
SNMPv1 and SNMPv2c Enhancements in Software Release 7.5(1) |
376 |
Understanding SNMPv3 |
379 |
Benefits of SNMPv3 |
379 |
SNMP Entity |
379 |
Configuring SNMPv3 from an NMS |
382 |
Configuring SNMPv3 from the CLI |
382 |
Using CiscoWorks2000 |
385 |
Configuring RMON |
387 |
Understanding How RMON Works |
387 |
Enabling RMON |
388 |
Viewing RMON Data |
388 |
Supported RMON and RMON2 MIB Objects |
388 |
Configuring SPAN and RSPAN |
391 |
Understanding How SPAN and RSPAN Work |
391 |
SPAN Session |
391 |
Destination Port |
392 |
Source Port |
392 |
Reflector Port |
393 |
Ingress SPAN |
393 |
Egress SPAN |
393 |
VSPAN |
393 |
Trunk VLAN Filtering |
394 |
SPAN Traffic |
394 |
SPAN and RSPAN Session Limits |
394 |
Configuring SPAN |
394 |
Understanding How SPAN Works |
394 |
SPAN Configuration Guidelines |
395 |
Configuring SPAN |
396 |
Configuring RSPAN |
398 |
RSPAN Software and Hardware Requirements |
398 |
Understanding How RSPAN Works |
398 |
RSPAN Configuration Guidelines |
399 |
Configuring RSPAN |
400 |
RSPAN Configuration Examples |
403 |
Administering the Switch |
409 |
Setting the System Name and System Prompt |
409 |
Configuring the System Name and Prompt |
410 |
Setting the System Contact and Location |
411 |
Setting the System Clock |
412 |
Creating a Login Banner |
412 |
Configuring a Login Banner |
412 |
Clearing the Login Banner |
413 |
Enabling or Disabling the “Cisco Systems Console” Telnet Login Banner |
413 |
Defining and Using Command Aliases |
414 |
Defining and Using IP Aliases |
415 |
Configuring Permanent and Static ARP Entries |
416 |
Configuring Static Routes |
417 |
Scheduling a System Reset |
418 |
Scheduling a Reset at a Specific Time |
418 |
Scheduling a Reset Within a Specified Amount of Time |
419 |
Generating System Status Reports for Tech Support |
420 |
Power Management |
421 |
Understanding How Power Management Works on the Catalyst4500 Series Switches |
421 |
Power Management Overview |
422 |
Understanding Power Management Modes |
422 |
Available Power for Power Supplies |
424 |
Power Management Limitations |
424 |
1400 W DC Power Supply Guidelines and Restrictions |
425 |
Understanding How Power Management Works on the Catalyst4006 Switch |
426 |
Understanding Power Redundancy |
426 |
1+1 Redundancy Mode Guidelines and Restrictions |
427 |
1+1 Redundancy Mode Limitations |
427 |
Power Consumption for Modules |
429 |
Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst4500 Series Switch |
430 |
Understanding How Inline Power Works |
431 |
Inline Power Management Modes |
432 |
Power Requirements |
432 |
Phone Detection Summary |
434 |
Configuring Power Management |
434 |
Setting Redundant Mode for the Catalyst 4500 Series Switches |
434 |
Setting Combined Mode on the Catalyst 4500 Series Switches |
435 |
Setting the DC Power Input |
436 |
Setting the Power Budget for the Catalyst 4006 Switch |
436 |
Displaying System Information |
437 |
Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch |
438 |
Configuring Inline Power |
438 |
Setting the Power Mode of a Port or Group of Ports |
438 |
Setting the Default Power Allocation for a Port |
439 |
Displaying the Power Status for Modules and Individual Ports |
439 |
Configuring VoIP |
441 |
Hardware and Software Requirements |
441 |
Overview of IP Phones |
442 |
Configuring VoIP on a Switch |
443 |
Configuring Switch Access Using AAA |
445 |
Understanding How Authentication Works |
445 |
Understanding How Login Authentication Works |
446 |
Understanding How Local Authentication Works |
446 |
Understanding How Local User Authentication Works |
447 |
Understanding How TACACS+ Authentication Works |
447 |
Understanding How RADIUS Authentication Works |
448 |
Understanding How Kerberos Authentication Works |
449 |
Configuring Authentication |
452 |
Authentication Default Configuration |
452 |
Authentication Configuration Guidelines |
453 |
Configuring Login Authentication |
453 |
Configuring Local Authentication |
456 |
Configuring Local User Authentication |
459 |
Configuring TACACS+ Authentication |
461 |
Configuring RADIUS Authentication |
467 |
Configuring Kerberos Authentication |
475 |
Authentication Example |
484 |
Understanding How Authorization Works |
485 |
Authorization Events |
485 |
TACACS+ Primary and Fallback Options |
485 |
TACACS+ Command Authorization |
486 |
RADIUS Authorization |
486 |
Configuring Authorization |
487 |
Authorization Default Configuration |
487 |
TACACS+ Authorization Configuration Guidelines |
487 |
Configuring TACACS+ Authorization |
487 |
Authorization Example |
490 |
Understanding How Accounting Works |
491 |
Accounting Overview |
492 |
Accounting Events |
492 |
Specifying When to Create Accounting Records |
492 |
Specifying RADIUS Servers |
493 |
Updating the Server |
494 |
Suppressing Accounting |
494 |
Configuring Accounting |
494 |
Accounting Default Configuration |
494 |
Accounting Configuration Guidelines |
494 |
Configuring Accounting |
495 |
Accounting Example |
497 |
Configuring 802.1x Authentication |
499 |
Understanding How 802.1x Authentication Works |
499 |
Device Roles |
500 |
Authentication Initiation and Message Exchange |
501 |
Ports in Authorized and Unauthorized States |
502 |
Authentication Server |
503 |
802.1x Parameters Configurable on the Switch |
504 |
802.1x VLAN Assignment Using a RADIUS Server |
504 |
Authentication Default Configuration |
505 |
Authentication Configuration Guidelines |
506 |
Configuring 802.1x Authentication on the Switch |
506 |
Enabling 802.1x Globally |
506 |
Disabling 802.1x Globally |
506 |
Enabling and Initializing 802.1x Authentication for Individual Ports |
507 |
Setting and Enabling Automatic Reauthentication of the Host |
508 |
Manually Reauthenticating the Host |
508 |
Enabling Multiple Hosts |
509 |
Disabling Multiple Hosts |
509 |
Setting the Quiet Period |
509 |
Setting the AuthenticatortoHost Retransmission Time for EAPRequest/Identity Frames |
510 |
Setting the SupplicanttoHost Retransmission Time for EAPRequest Frames |
510 |
Setting the BackEnd AuthenticatortoAuthenticationServer Retransmission Time for Transport Lay... |
511 |
Setting the BackEnd AuthenticatortoHost FrameRetransmission Number |
511 |
Setting the Shutdown Timeout Period |
511 |
Setting the BackEnd AuthenticatortoHost FrameRetransmission Number |
512 |
Setting the BackEnd AuthenticatortoHost FrameRetransmission Number |
512 |
Resetting the 802.1x Configuration Parameters to the Default Values |
513 |
Setting the Trace Severity |
513 |
Using the show Commands |
514 |
Modifying the Switch Boot Configuration |
517 |
Understanding How the Switch Boot Configuration Works |
517 |
Understanding the Boot Process |
517 |
Understanding the ROM Monitor |
518 |
Understanding the Configuration Register |
518 |
Understanding the BOOT Environment Variable |
519 |
Understanding the CONFIG_FILE Environment Variable |
519 |
Default Switch Boot Configuration |
520 |
Setting the Configuration Register |
520 |
Setting the Boot Field in the Configuration Register |
520 |
Setting CONFIG_FILE Recurrence |
521 |
Setting the Switch to Ignore the NVRAM Configuration |
522 |
Setting the BOOT Environment Variable |
522 |
Setting the BOOT Environment Variable |
522 |
Clearing the BOOT Environment Variable Settings |
523 |
Setting and Clearing the CONFIG_FILE Environment Variable |
523 |
Setting the CONFIG_FILE Environment Variable |
523 |
Clearing CONFIG_FILE Environment Variable Entries |
524 |
Displaying the Switch Boot Configuration |
524 |
Working with System Software Images |
525 |
Software Image Naming Conventions |
525 |
Downloading System Software Images to the Switch UsingTFTP |
525 |
Understanding How TFTP Software Image Downloads Work |
526 |
Preparing to Download an Image Using TFTP |
526 |
Downloading Supervisor Engine Images Using TFTP |
526 |
Sample TFTP Download Procedures |
527 |
Uploading System Software Images to a TFTP Server |
528 |
Preparing to Upload an Image to a TFTP Server |
529 |
Uploading Software Images to a TFTP Server |
529 |
Downloading System Software Images to the Switch Using rcp |
529 |
Understanding How rcp Software Image Downloads Work |
530 |
Preparing to Download an Image Using rcp |
530 |
Downloading Supervisor Engine Images Using rcp |
530 |
Sample rcp Download Procedures |
531 |
Uploading System Software Images to an rcp Server |
532 |
Preparing to Upload an Image to an rcp Server |
533 |
Uploading Software Images to an rcp Server |
533 |
Upgrading the ROM Monitor |
533 |
Working With the Flash File System |
539 |
Working With the Flash File System on the Switch |
539 |
Setting the Default Flash Device |
539 |
Setting the Text File Configuration Mode |
540 |
Listing the Files on a Flash Device |
540 |
Displaying the Contents of a File on a Flash Device |
541 |
Copying Files |
542 |
Deleting Files |
543 |
Restoring Deleted Files |
544 |
Verifying a File Checksum |
545 |
Working with Configuration Files |
547 |
Creating and Using Configuration Files Guidelines |
547 |
Creating a Configuration File |
548 |
Configuring the Switch Using a File in Flash Memory |
548 |
Copying Configuration Files Using TFTP |
549 |
Downloading Configuration Files from a TFTP Server |
549 |
Uploading Configuration Files to a TFTP Server |
550 |
Copying Configuration Files Using rcp |
551 |
Downloading Configuration Files from an rcp Server |
552 |
Uploading Configuration Files to an rcp Server |
553 |
Clearing the Configuration |
554 |
Configuring Switch Acceleration |
555 |
Understanding How Switch Acceleration Works |
555 |
Configuring Switch Acceleration on the Switch |
556 |
Enabling Switch Acceleration |
557 |
Displaying Switch Acceleration Information |
557 |
Backplane Channel Module |
557 |
Configuring System Message Logging |
559 |
Understanding How System Message Logging Works |
559 |
System Log Message Format |
561 |
Default System Message Logging Configuration |
562 |
System Log Message Format |
562 |
Configuring System Message Logging on the Switch |
563 |
Configuring Session Logging Settings |
563 |
Configuring the System Message Logging Levels |
564 |
Enabling and Disabling the Logging Time Stamp |
564 |
Setting the Logging Buffer Size |
565 |
Limiting the Number of syslog Messages |
565 |
Configuring the syslog Daemon on a UNIX syslog Server |
565 |
Configuring syslog Servers |
566 |
Displaying the Logging Configuration |
567 |
Displaying System Messages |
568 |
Configuring DNS |
571 |
Understanding How DNS Works |
571 |
Default DNS Configuration |
571 |
Configuring DNS on the Switch |
572 |
Setting Up and Enabling DNS |
572 |
Clearing a DNS Server |
573 |
Clearing the DNS Domain Name |
573 |
Disabling DNS |
573 |
Configuring NTP |
575 |
Understanding How NTP Works |
575 |
Default NTP Configuration |
576 |
Configuring NTP on the Switch |
576 |
Enabling NTP in Broadcast-Client Mode |
576 |
Configuring NTP in Client Mode |
577 |
Configuring Authentication in Client Mode |
578 |
Setting the Time Zone |
579 |
Enabling the Daylight Saving Time Adjustment |
579 |
Disabling the Daylight Saving Time Adjustment |
581 |
Clearing the Time Zone |
581 |
Clearing NTP Servers |
581 |
Disabling NTP |
582 |
Acronyms |
583 |