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S4820T
User Manuals: Dell S4820T Network Switch
Manuals and User Guides for Dell S4820T Network Switch. We have
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Dell S4820T Network Switch manuals available for free PDF download: Configuration Manual, Manual, Installation Manual
Dell S4820T Configuration Manual (1178 pages)
Brand:
Dell
| Category:
Switch
| Size: 25.53 MB
Table of Contents
Table of Contents
3
1 About this Guide
36
Audience
36
Conventions
36
Related Documents
37
2 Configuration Fundamentals
38
Accessing the Command Line
38
CLI Modes
38
Navigating CLI Modes
40
The Do Command
44
Undoing Commands
45
Obtaining Help
45
Entering and Editing Commands
46
Command History
47
Filtering Show Command Outputs
47
Multiple Users in Configuration Mode
49
3 Getting Started
50
Console Access
50
Serial Console
50
Accessing the CLI Interface and Running Scripts Using SSH
51
Entering CLI Commands Using an SSH Connection
52
Executing Local CLI Scripts Using an SSH Connection
52
Default Configuration
53
Configuring a Host Name
53
Accessing the System Remotely
53
Configure the Management Port IP Address
53
Configure a Management Route
54
Configuring a Username and Password
54
Configuring the Enable Password
55
Configuration File Management
55
Copy Files to and from the System
55
Mounting an NFS File System
56
Save the Running-Configuration
58
Configure the Overload Bit for a Startup Scenario
59
Viewing Files
59
Managing the File System
60
Enabling Software Features on Devices Using a Command Option
61
View Command History
62
Upgrading Dell Networking os
62
Using HTTP for File Transfers
62
Using Hashes to Validate Software Images
63
4 Management
65
Configuring Privilege Levels
65
Creating a Custom Privilege Level
65
Removing a Command from EXEC Mode
65
Moving a Command from EXEC Privilege Mode to EXEC Mode
66
Allowing Access to CONFIGURATION Mode Commands
66
Allowing Access to the Following Modes
66
Applying a Privilege Level to a Username
68
Applying a Privilege Level to a Terminal Line
68
Configuring Logging
68
Audit and Security Logs
69
Configuring Logging Format
71
Display the Logging Buffer and the Logging Configuration
71
Setting up a Secure Connection to a Syslog Server
73
Log Messages in the Internal Buffer
74
Configuration Task List for System Log Management
74
Disabling System Logging
74
Sending System Messages to a Syslog Server
75
Configuring a UNIX System as a Syslog Server
75
Track Login Activity
75
Restrictions for Tracking Login Activity
75
Configuring Login Activity Tracking
76
Display Login Statistics
76
Limit Concurrent Login Sessions
77
Restrictions for Limiting the Number of Concurrent Sessions
77
Configuring Concurrent Session Limit
77
Enabling the System to Clear Existing Sessions
78
Changing System Logging Settings
79
Display the Logging Buffer and the Logging Configuration
80
Configuring a UNIX Logging Facility Level
80
Synchronizing Log Messages
82
Enabling Timestamp on Syslog Messages
82
File Transfer Services
83
Configuration Task List for File Transfer Services
83
Enabling the FTP Server
83
Configuring FTP Server Parameters
84
Configuring FTP Client Parameters
84
Terminal Lines
85
Denying and Permitting Access to a Terminal Line
85
Configuring Login Authentication for Terminal Lines
86
Setting Time out of EXEC Privilege Mode
87
Using Telnet to Get to Another Network Device
88
Lock CONFIGURATION Mode
89
Viewing the Configuration Lock Status
89
Recovering from a Forgotten Password
90
Recovering from a Forgotten Enable Password
91
Recovering from a Failed Start
91
Restoring the Factory Default Settings
92
Important Points to Remember
92
Restoring Factory Default Environment Variables
93
802.1Ag
95
Ethernet CFM
95
Maintenance Domains
96
Maintenance Points
96
Maintenance End Points
97
Implementation Information
98
Configuring the CFM
98
Related Configuration Tasks
98
Enabling Ethernet CFM
99
Creating a Maintenance Domain
99
Creating a Maintenance Association
100
Create Maintenance Points
100
Creating a Maintenance End Point
100
Creating a Maintenance Intermediate Point
101
Displaying the MP Databases
101
Continuity Check Messages
102
Enabling CCM
103
Enabling Cross-Checking
104
Sending Loopback Messages and Responses
104
Sending Linktrace Messages and Responses
104
Caching Link Trace
105
Enabling CFM SNMP Traps
106
Displaying Ethernet CFM Statistics
107
802.1X
110
The Port-Authentication Process
110
EAP over RADIUS
112
Configuring 802.1X
112
Related Configuration Tasks
112
Important Points to Remember
113
Enabling 802.1X
114
Configuring Request Identity Re-Transmissions
115
Configuring a Quiet Period after a Failed Authentication
116
Forcibly Authorizing or Unauthorizing a Port
117
Re-Authenticating a Port
118
Configuring Timeouts
119
Configuring Dynamic VLAN Assignment with Port Authentication
120
Guest and Authentication-Fail Vlans
121
Configuring a Guest VLAN
122
Configuring an Authentication-Fail VLAN
122
7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)
124
Optimizing CAM Utilization During the Attachment of Acls to Vlans
124
Guidelines for Configuring ACL VLAN Groups
125
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters
126
Configuring ACL VLAN Groups
126
Configuring FP Blocks for VLAN Parameters
127
Viewing CAM Usage
128
Allocating FP Blocks for VLAN Processes
129
8 Access Control Lists (Acls)
130
IP Access Control Lists (Acls)
131
CAM Usage
132
Implementing Acls on Dell Networking os
133
IP Fragment Handling
134
IP Fragments ACL Examples
134
Layer 4 ACL Rules Examples
135
Configure a Standard IP ACL
136
Configuring a Standard IP ACL Filter
137
Configure an Extended IP ACL
138
Configuring Filters with a Sequence Number
138
Configuring Filters Without a Sequence Number
140
Configure Layer 2 and Layer 3 Acls
141
Assign an IP ACL to an Interface
141
Applying an IP ACL
142
Counting ACL Hits
143
Configure Ingress Acls
143
Configure Egress Acls
144
Applying Egress Layer 3 Acls (Control-Plane)
145
IP Prefix Lists
145
Implementation Information
146
Configuration Task List for Prefix Lists
146
ACL Resequencing
150
Resequencing an ACL or Prefix List
151
Route Maps
152
Implementation Information
153
Important Points to Remember
153
Configuration Task List for Route Maps
153
Configuring Match Routes
156
Configuring Set Conditions
157
Configure a Route Map for Route Redistribution
158
Configure a Route Map for Route Tagging
159
Continue Clause
159
Logging of ACL Processes
160
Guidelines for Configuring ACL Logging
161
Configuring ACL Logging
161
Flow-Based Monitoring Support for Acls
162
Behavior of Flow-Based Monitoring
163
Enabling Flow-Based Monitoring
164
9 Bidirectional Forwarding Detection (BFD)
166
How BFD Works
166
BFD Packet Format
167
BFD Sessions
169
BFD Three-Way Handshake
169
Session State Changes
170
Important Points to Remember
171
Configure BFD
171
Configure BFD for Physical Ports
172
Configure BFD for Static Routes
175
Configure BFD for OSPF
177
Configure BFD for Ospfv3
180
Configure BFD for IS-IS
181
Configure BFD for BGP
184
Configure BFD for VRRP
191
Configuring Protocol Liveness
194
Troubleshooting BFD
195
10 Border Gateway Protocol Ipv4 (Bgpv4)
197
Autonomous Systems (AS)
197
Sessions and Peers
199
Establish a Session
200
Route Reflectors
201
BGP Attributes
202
Best Path Selection Criteria
202
Weight
204
Local Preference
205
Multi-Exit Discriminators (Meds)
205
Origin
206
AS Path
207
Next Hop
207
Multiprotocol BGP
208
Implement BGP with Dell Networking os
208
Additional Path (Add-Path) Support
208
Advertise IGP Cost as MED for Redistributed Routes
209
Ignore Router-ID for some Best-Path Calculations
210
Four-Byte as Numbers
210
AS4 Number Representation
210
AS Number Migration
212
BGP4 Management Information Base (MIB)
214
Important Points to Remember
214
Configuration Information
215
BGP Configuration
215
Enabling BGP
216
Configuring AS4 Number Representations
220
Configuring Peer Groups
222
Configuring BGP Fast Fall-Over
224
Configuring Passive Peering
226
Maintaining Existing as Numbers During an as Migration
227
Allowing an as Number to Appear in Its Own as Path
228
Enabling Graceful Restart
229
Enabling Neighbor Graceful Restart
230
Filtering on an AS-Path Attribute
231
Regular Expressions as Filters
232
Redistributing Routes
234
Enabling Additional Paths
234
Configuring IP Community Lists
235
Configuring an IP Extended Community List
236
Filtering Routes with Community Lists
237
Manipulating the COMMUNITY Attribute
238
Changing MED Attributes
240
Changing the LOCAL_PREFERENCE Attribute
240
Changing the NEXT_HOP Attribute
241
Changing the WEIGHT Attribute
241
Enabling Multipath
242
Filtering BGP Routes
242
Filtering BGP Routes Using Route Maps
244
Filtering BGP Routes Using AS-PATH Information
244
Configuring BGP Route Reflectors
245
Aggregating Routes
246
Configuring BGP Confederations
246
Enabling Route Flap Dampening
247
Changing BGP Timers
250
Enabling BGP Neighbor Soft-Reconfiguration
250
Route Map Continue
251
Enabling MBGP Configurations
252
BGP Regular Expression Optimization
253
Debugging BGP
253
Storing Last and Bad Pdus
254
Capturing Pdus
255
PDU Counters
256
Sample Configurations
257
11 Content Addressable Memory (CAM)
263
CAM Allocation
263
Test CAM Usage
265
View CAM Profiles
266
View CAM-ACL Settings
266
View CAM Usage
268
CAM Optimization
269
Troubleshoot CAM Profiling
269
CAM Profile Mismatches
269
Qos CAM Region Limitation
269
12 Control Plane Policing (Copp)
271
Configure Control Plane Policing
272
Configuring Copp for Protocols
273
Configuring Copp for CPU Queues
275
Copp for Ospfv3 Packets
276
Configuring Copp for Ospfv3
279
Show Commands
280
13 Data Center Bridging (DCB)
283
Ethernet Enhancements in Data Center Bridging
283
Priority-Based Flow Control
284
Enhanced Transmission Selection
285
Data Center Bridging Exchange Protocol (Dcbx)
286
Data Center Bridging in a Traffic Flow
287
Enabling Data Center Bridging
287
DCB Maps and Its Attributes
288
Data Center Bridging: Default Configuration
289
Configuring Priority-Based Flow Control
290
Configuring Lossless Queues
291
Configuring PFC in a DCB Map
292
PFC Configuration Notes
292
PFC Prerequisites and Restrictions
293
Applying a DCB Map on a Port
294
Configuring PFC Without a DCB Map
294
Configuring Lossless Queuesexample
295
Priority-Based Flow Control Using Dynamic Buffer Method
296
Pause and Resume of Traffic
297
Buffer Sizes for Lossless or PFC Packets
297
Behavior of Tagged Packets
298
Configuration Example for DSCP and PFC Priorities
298
Using PFC to Manage Converged Ethernet Traffic
299
Configure Enhanced Transmission Selection
299
ETS Prerequisites and Restrictions
300
Creating an ETS Priority Group
300
ETS Operation with Dcbx
301
Configuring Bandwidth Allocation for Dcbx CIN
302
Configuring ETS in a DCB Map
303
Hierarchical Scheduling in ETS Output Policies
304
Using ETS to Manage Converged Ethernet Traffic
305
Applying DCB Policies in a Switch Stack
305
Configure a Dcbx Operation
306
Dcbx Operation
306
Dcbx Port Roles
306
DCB Configuration Exchange
308
Configuration Source Election
308
Propagation of DCB Information
309
Auto-Detection and Manual Configuration of the Dcbx Version
309
Dcbx Example
310
Dcbx Prerequisites and Restrictions
311
Configuring Dcbx
311
Verifying the DCB Configuration
315
Sample DCB Configuration
326
PFC and ETS Configuration Command Examples
328
Qos Dot1P Traffic Classification and Queue Assignment
328
Configuring the Dynamic Buffer Method
330
14 Dynamic Host Configuration Protocol (DHCP)
332
DHCP Packet Format and Options
332
Assign an IP Address Using DHCP
334
Implementation Information
335
Configure the System to be a DHCP Server
336
Configuring the Server for Automatic Address Allocation
336
Specifying a Default Gateway
338
Configure a Method of Hostname Resolution
338
Using DNS for Address Resolution
338
Using Netbios WINS for Address Resolution
338
Creating Manual Binding Entries
339
Debugging the DHCP Server
339
Using DHCP Clear Commands
339
Configure the System to be a Relay Agent
340
Configure the System to be a DHCP Client
342
DHCP Client Operation with Other Features
342
DHCP Client on a Management Interface
343
Configure the System for User Port Stacking (Option 230)
344
Configure Secure DHCP
344
Option 82
344
DHCP Snooping
345
Drop DHCP Packets on Snooped Vlans Only
349
Dynamic ARP Inspection
349
Configuring Dynamic ARP Inspection
350
Statistics Command
351
Source Address Validation
352
Enabling IP Source Address Validation
352
DHCP MAC Source Address Validation
353
Enabling IP+MAC Source Address Validation
353
Viewing the Number of SAV Dropped Packets
354
Clearing the Number of SAV Dropped Packets
354
15 Equal Cost Multi-Path (ECMP)
355
ECMP for Flow-Based Affinity
355
Configuring the Hash Algorithm
355
Enabling Deterministic ECMP Next Hop
355
Configuring the Hash Algorithm Seed
356
Link Bundle Monitoring
356
Managing ECMP Group Paths
357
Creating an ECMP Group Bundle
358
Modifying the ECMP Group Threshold
358
16 Fcoe Transit
360
Fibre Channel over Ethernet
360
Ensure Robustness in a Converged Ethernet Network
360
FIP Snooping on Ethernet Bridges
362
FIP Snooping in a Switch Stack
364
Using FIP Snooping
364
FIP Snooping Prerequisites
364
Important Points to Remember
365
Enabling the Fcoe Transit Feature
366
Enable FIP Snooping on Vlans
366
Configure the FC-MAP Value
366
Configure a Port for a Bridge-To-Bridge Link
367
Configure a Port for a Bridge-To-FCF Link
367
Impact on Other Software Features
367
FIP Snooping Restrictions
368
Configuring FIP Snooping
368
Displaying FIP Snooping Information
369
Fcoe Transit Configuration Example
375
17 FIPS Cryptography
377
Configuration Tasks
377
Preparing the System
377
Enabling FIPS Mode
378
Generating Host-Keys
378
Monitoring FIPS Mode Status
379
Disabling FIPS Mode
379
18 Force10 Resilient Ring Protocol (FRRP)
381
Protocol Overview
381
Ring Status
382
Multiple FRRP Rings
383
Important FRRP Points
383
Important FRRP Concepts
384
Implementing FRRP
385
FRRP Configuration
385
Creating the FRRP Group
386
Configuring the Control VLAN
386
Configuring and Adding the Member Vlans
387
Setting the FRRP Timers
388
Clearing the FRRP Counters
389
Viewing the FRRP Configuration
389
Viewing the FRRP Information
389
Troubleshooting FRRP
390
Configuration Checks
390
Sample Configuration and Topology
390
19 GARP VLAN Registration Protocol (GVRP)
392
Important Points to Remember
392
Configure GVRP
393
Related Configuration Tasks
394
Enabling GVRP Globally
394
Enabling GVRP on a Layer 2 Interface
394
Configure GVRP Registration
395
Configure a GARP Timer
395
RPM Redundancy
396
20 High Availability (HA)
397
Component Redundancy
397
RPM Redundancy
397
Automatic and Manual Stack Unit Failover
399
Support for RPM Redundancy by Dell Networking os Version
400
Synchronization between Management and Standby Units
400
Configuring RPM Redundancy
400
Online Insertion and Removal
402
RPM Online Insertion and Removal
402
Linecard Online Insertion and Removal
403
Hitless Behavior
404
Graceful Restart
404
Software Resiliency
405
Software Component Health Monitoring
405
System Health Monitoring
405
Failure and Event Logging
405
Hot-Lock Behavior
406
Process Restartability
406
Enabling Process Restartability
407
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Dell S4820T Configuration Manual (1128 pages)
Brand:
Dell
| Category:
Switch
| Size: 34.7 MB
Table of Contents
Table of Contents
3
1 About this Guide
36
Audience
36
Conventions
36
Related Documents
36
2 Configuration Fundamentals
37
Accessing the Command Line
37
CLI Modes
37
Navigating CLI Modes
39
The Do Command
42
Undoing Commands
43
Obtaining Help
44
Entering and Editing Commands
44
Command History
45
Filtering Show Command Outputs
45
Multiple Users in Configuration Mode
47
3 Getting Started
48
Console Access
48
Serial Console
48
Accessing the CLI Interface and Running Scripts Using SSH
49
Entering CLI Commands Using an SSH Connection
50
Executing Local CLI Scripts Using an SSH Connection
50
Default Configuration
51
Configuring a Host Name
51
Accessing the System Remotely
51
Configure the Management Port IP Address
51
Configure a Management Route
52
Configuring a Username and Password
52
Configuring the Enable Password
52
Configuration File Management
53
Copy Files to and from the System
53
Mounting an NFS File System
54
Save the Running-Configuration
56
Configure the Overload Bit for a Startup Scenario
56
Viewing Files
56
Managing the File System
58
Enabling Software Features on Devices Using a Command Option
58
View Command History
59
Upgrading Dell Networking os
60
Using HTTP for File Transfers
60
Using Hashes to Validate Software Images
60
4 Management
62
Configuring Privilege Levels
62
Creating a Custom Privilege Level
62
Removing a Command from EXEC Mode
62
Moving a Command from EXEC Privilege Mode to EXEC Mode
63
Allowing Access to CONFIGURATION Mode Commands
63
Allowing Access to the Following Modes
63
Applying a Privilege Level to a Username
65
Applying a Privilege Level to a Terminal Line
65
Configuring Logging
65
Audit and Security Logs
66
Configuring Logging Format
68
Display the Logging Buffer and the Logging Configuration
68
Setting up a Secure Connection to a Syslog Server
69
Log Messages in the Internal Buffer
70
Configuration Task List for System Log Management
70
Disabling System Logging
70
Sending System Messages to a Syslog Server
71
Configuring a UNIX System as a Syslog Server
71
Changing System Logging Settings
71
Display the Logging Buffer and the Logging Configuration
72
Configuring a UNIX Logging Facility Level
73
Synchronizing Log Messages
74
Enabling Timestamp on Syslog Messages
74
File Transfer Services
75
Configuration Task List for File Transfer Services
75
Enabling the FTP Server
75
Configuring FTP Server Parameters
76
Configuring FTP Client Parameters
76
Terminal Lines
77
Denying and Permitting Access to a Terminal Line
77
Configuring Login Authentication for Terminal Lines
78
Setting Time out of EXEC Privilege Mode
79
Using Telnet to Get to Another Network Device
79
Lock CONFIGURATION Mode
80
Viewing the Configuration Lock Status
80
Recovering from a Forgotten Password
81
Recovering from a Forgotten Enable Password
82
Recovering from a Failed Start
83
Restoring the Factory Default Settings
83
Important Points to Remember
83
Restoring Factory Default Environment Variables
84
802.1Ag
86
Ethernet CFM
86
Maintenance Domains
87
Maintenance Points
87
Maintenance End Points
88
Implementation Information
89
Configuring the CFM
89
Related Configuration Tasks
89
Enabling Ethernet CFM
89
Creating a Maintenance Domain
89
Creating a Maintenance Association
90
Create Maintenance Points
90
Creating a Maintenance End Point
90
Creating a Maintenance Intermediate Point
91
Displaying the MP Databases
92
Continuity Check Messages
93
Enabling CCM
94
Enabling Cross-Checking
94
Sending Loopback Messages and Responses
94
Sending Linktrace Messages and Responses
95
Caching Link Trace
95
Enabling CFM SNMP Traps
96
Displaying Ethernet CFM Statistics
98
802.1X
100
The Port-Authentication Process
100
EAP over RADIUS
102
Configuring 802.1X
102
Related Configuration Tasks
102
Important Points to Remember
103
Enabling 802.1X
103
Configuring Request Identity Re-Transmissions
105
Configuring a Quiet Period after a Failed Authentication
105
Forcibly Authorizing or Unauthorizing a Port
106
Re-Authenticating a Port
107
Configuring Timeouts
108
Configuring Dynamic VLAN Assignment with Port Authentication
109
Guest and Authentication-Fail Vlans
110
Configuring a Guest VLAN
111
Configuring an Authentication-Fail VLAN
111
7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)
113
Optimizing CAM Utilization During the Attachment of Acls to Vlans
113
Guidelines for Configuring ACL VLAN Groups
114
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters
115
Configuring ACL VLAN Groups
115
Configuring FP Blocks for VLAN Parameters
116
Viewing CAM Usage
117
Allocating FP Blocks for VLAN Processes
118
8 Access Control Lists (Acls)
120
IP Access Control Lists (Acls)
121
CAM Usage
121
Implementing Acls on Dell Networking os
122
IP Fragment Handling
124
IP Fragments ACL Examples
124
Layer 4 ACL Rules Examples
125
Configure a Standard IP ACL
126
Configuring a Standard IP ACL Filter
127
Configure an Extended IP ACL
128
Configuring Filters with a Sequence Number
128
Configuring Filters Without a Sequence Number
129
Configure Layer 2 and Layer 3 Acls
130
Assign an IP ACL to an Interface
131
Applying an IP ACL
131
Counting ACL Hits
132
Configure Ingress Acls
132
Configure Egress Acls
133
Applying Egress Layer 3 Acls (Control-Plane)
134
IP Prefix Lists
135
Implementation Information
135
Configuration Task List for Prefix Lists
135
ACL Resequencing
139
Resequencing an ACL or Prefix List
140
Route Maps
141
Implementation Information
141
Important Points to Remember
142
Configuration Task List for Route Maps
142
Configuring Match Routes
144
Configuring Set Conditions
146
Configure a Route Map for Route Redistribution
147
Configure a Route Map for Route Tagging
147
Continue Clause
148
Logging of ACL Processes
148
Guidelines for Configuring ACL Logging
149
Configuring ACL Logging
150
Flow-Based Monitoring Support for Acls
151
Behavior of Flow-Based Monitoring
151
Enabling Flow-Based Monitoring
152
9 Bidirectional Forwarding Detection (BFD)
154
How BFD Works
154
BFD Packet Format
155
BFD Sessions
157
BFD Three-Way Handshake
157
Session State Changes
158
Important Points to Remember
159
Configure BFD
159
Configure BFD for Physical Ports
160
Configure BFD for Static Routes
163
Configure BFD for OSPF
165
Configure BFD for Ospfv3
168
Configure BFD for IS-IS
169
Configure BFD for BGP
172
Configure BFD for VRRP
179
Configuring Protocol Liveness
182
Troubleshooting BFD
182
10 Border Gateway Protocol Ipv4 (Bgpv4)
184
Autonomous Systems (AS)
184
Sessions and Peers
186
Establish a Session
187
Route Reflectors
187
BGP Attributes
188
Best Path Selection Criteria
189
Weight
191
Local Preference
191
Multi-Exit Discriminators (Meds)
192
Origin
193
AS Path
194
Next Hop
194
Multiprotocol BGP
195
Implement BGP with Dell Networking os
195
Additional Path (Add-Path) Support
195
Advertise IGP Cost as MED for Redistributed Routes
195
Ignore Router-ID for some Best-Path Calculations
196
Four-Byte as Numbers
196
AS4 Number Representation
197
AS Number Migration
198
BGP4 Management Information Base (MIB)
200
Important Points to Remember
200
Configuration Information
201
BGP Configuration
201
Enabling BGP
202
Configuring AS4 Number Representations
206
Configuring Peer Groups
208
Configuring BGP Fast Fall-Over
210
Configuring Passive Peering
212
Maintaining Existing as Numbers During an as Migration
213
Allowing an as Number to Appear in Its Own as Path
214
Enabling Graceful Restart
215
Enabling Neighbor Graceful Restart
216
Filtering on an AS-Path Attribute
216
Regular Expressions as Filters
218
Redistributing Routes
219
Enabling Additional Paths
220
Configuring IP Community Lists
220
Configuring an IP Extended Community List
222
Filtering Routes with Community Lists
223
Manipulating the COMMUNITY Attribute
223
Changing MED Attributes
225
Changing the LOCAL_PREFERENCE Attribute
225
Changing the NEXT_HOP Attribute
226
Changing the WEIGHT Attribute
227
Enabling Multipath
227
Filtering BGP Routes
227
Filtering BGP Routes Using Route Maps
229
Filtering BGP Routes Using AS-PATH Information
230
Configuring BGP Route Reflectors
230
Aggregating Routes
231
Configuring BGP Confederations
232
Enabling Route Flap Dampening
232
Changing BGP Timers
235
Enabling BGP Neighbor Soft-Reconfiguration
235
Route Map Continue
237
Enabling MBGP Configurations
237
BGP Regular Expression Optimization
238
Debugging BGP
238
Storing Last and Bad Pdus
239
Capturing Pdus
240
PDU Counters
241
Sample Configurations
241
11 Content Addressable Memory (CAM)
248
CAM Allocation
248
Test CAM Usage
250
View CAM Profiles
250
View CAM-ACL Settings
251
View CAM Usage
253
CAM Optimization
253
Troubleshoot CAM Profiling
254
CAM Profile Mismatches
254
Qos CAM Region Limitation
254
12 Control Plane Policing (Copp)
255
Configure Control Plane Policing
256
Configuring Copp for Protocols
257
Configuring Copp for CPU Queues
259
Copp for Ospfv3 Packets
260
Configuring Copp for Ospfv3
263
Show Commands
264
13 Data Center Bridging (DCB)
266
Ethernet Enhancements in Data Center Bridging
266
Priority-Based Flow Control
267
Enhanced Transmission Selection
268
Data Center Bridging Exchange Protocol (Dcbx)
269
Data Center Bridging in a Traffic Flow
270
Enabling Data Center Bridging
270
Qos Dot1P Traffic Classification and Queue Assignment
271
DCB Maps and Its Attributes
272
DCB Map: Configuration Procedure
272
Important Points to Remember
272
Applying a DCB Map on a Port
273
Configuring PFC Without a DCB Map
273
Configuring Lossless Queues
274
Data Center Bridging: Default Configuration
275
Configuring PFC and ETS in a DCB Map
276
PFC Configuration Notes
276
PFC Prerequisites and Restrictions
277
ETS Configuration Notes
277
ETS Prerequisites and Restrictions
278
Configuring Priority-Based Flow Control
279
Configuring Lossless Queues
280
Configure Enhanced Transmission Selection
280
ETS Prerequisites and Restrictions
281
Creating an ETS Priority Group
281
ETS Operation with Dcbx
282
Configuring Bandwidth Allocation for Dcbx CIN
283
Applying DCB Policies in a Switch Stack
283
Configure a Dcbx Operation
284
Dcbx Operation
284
Dcbx Port Roles
284
DCB Configuration Exchange
286
Configuration Source Election
287
Propagation of DCB Information
287
Auto-Detection and Manual Configuration of the Dcbx Version
287
Behavior of Tagged Packets
288
Configuration Example for DSCP and PFC Priorities
288
Dcbx Example
289
Dcbx Prerequisites and Restrictions
290
Configuring Dcbx
290
Verifying the DCB Configuration
294
Using PFC and ETS to Manage Data Center Traffic
305
PFC and ETS Configuration Command Examples
307
Using PFC and ETS to Manage Converged Ethernet Traffic
307
Hierarchical Scheduling in ETS Output Policies
307
Priority-Based Flow Control Using Dynamic Buffer Method
308
Pause and Resume of Traffic
308
Buffer Sizes for Lossless or PFC Packets
309
Configuring the Dynamic Buffer Method
309
Sample Configurations
311
14 Dynamic Host Configuration Protocol (DHCP)
315
DHCP Packet Format and Options
315
Assign an IP Address Using DHCP
317
Implementation Information
318
Configure the System to be a DHCP Server
319
Configuring the Server for Automatic Address Allocation
319
Specifying a Default Gateway
321
Configure a Method of Hostname Resolution
321
Using DNS for Address Resolution
321
Using Netbios WINS for Address Resolution
321
Creating Manual Binding Entries
321
Debugging the DHCP Server
322
Using DHCP Clear Commands
322
Configure the System to be a Relay Agent
322
Configure the System to be a DHCP Client
324
DHCP Client Operation with Other Features
325
DHCP Client on a Management Interface
326
Configure the System for User Port Stacking (Option 230)
326
Configure Secure DHCP
326
Option 82
327
DHCP Snooping
327
Drop DHCP Packets on Snooped Vlans Only
331
Dynamic ARP Inspection
331
Configuring Dynamic ARP Inspection
332
Source Address Validation
333
Enabling IP Source Address Validation
334
DHCP MAC Source Address Validation
334
Enabling IP+MAC Source Address Validation
334
Viewing the Number of SAV Dropped Packets
335
Clearing the Number of SAV Dropped Packets
336
15 Equal Cost Multi-Path (ECMP)
337
ECMP for Flow-Based Affinity
337
Configuring the Hash Algorithm
337
Enabling Deterministic ECMP Next Hop
337
Configuring the Hash Algorithm Seed
338
Link Bundle Monitoring
338
Managing ECMP Group Paths
339
Creating an ECMP Group Bundle
339
Modifying the ECMP Group Threshold
340
16 Fcoe Transit
341
Fibre Channel over Ethernet
341
Ensure Robustness in a Converged Ethernet Network
341
FIP Snooping on Ethernet Bridges
343
FIP Snooping in a Switch Stack
345
Using FIP Snooping
345
FIP Snooping Prerequisites
345
Important Points to Remember
346
Enabling the Fcoe Transit Feature
347
Enable FIP Snooping on Vlans
347
Configure the FC-MAP Value
347
Configure a Port for a Bridge-To-Bridge Link
347
Configure a Port for a Bridge-To-FCF Link
348
Impact on Other Software Features
348
FIP Snooping Restrictions
348
Configuring FIP Snooping
349
Displaying FIP Snooping Information
349
Fcoe Transit Configuration Example
355
17 Enabling FIPS Cryptography
357
Configuration Tasks
357
Preparing the System
357
Enabling FIPS Mode
358
Generating Host-Keys
358
Monitoring FIPS Mode Status
359
Disabling FIPS Mode
359
18 Force10 Resilient Ring Protocol (FRRP)
361
Protocol Overview
361
Ring Status
362
Multiple FRRP Rings
363
Important FRRP Points
363
Important FRRP Concepts
363
Implementing FRRP
365
FRRP Configuration
365
Creating the FRRP Group
365
Configuring the Control VLAN
366
Configuring and Adding the Member Vlans
367
Setting the FRRP Timers
368
Clearing the FRRP Counters
368
Viewing the FRRP Configuration
369
Viewing the FRRP Information
369
Troubleshooting FRRP
369
Configuration Checks
369
Sample Configuration and Topology
369
19 GARP VLAN Registration Protocol (GVRP)
372
Important Points to Remember
372
Configure GVRP
373
Related Configuration Tasks
373
Enabling GVRP Globally
374
Enabling GVRP on a Layer 2 Interface
374
Configure GVRP Registration
374
Configure a GARP Timer
375
RPM Redundancy
376
20 High Availability (HA)
377
Component Redundancy
377
RPM Redundancy
377
Automatic and Manual Stack Unit Failover
379
Support for RPM Redundancy by Dell Networking os Version
380
Synchronization between Management and Standby Units
380
Configuring RPM Redundancy
380
Online Insertion and Removal
382
RPM Online Insertion and Removal
382
Linecard Online Insertion and Removal
382
Hitless Behavior
383
Graceful Restart
384
Software Resiliency
384
Software Component Health Monitoring
384
System Health Monitoring
384
Failure and Event Logging
385
Hot-Lock Behavior
385
Process Restartability
386
Enabling Process Restartability
386
Dell S4820T Manual (60 pages)
Installing the S4820T System
Brand:
Dell
| Category:
Switch
| Size: 1.24 MB
Table of Contents
Table of Contents
3
1 About this Guide
7
Information Symbols and Warnings
7
Related Publications
8
2 The S4820T Switch
9
Introduction
9
Features
10
Physical Dimensions
10
Chassis Ports
11
Determining System Status
11
LED Displays
11
Basic Installation Requirements
14
Orderable S4820T Components
15
3 Site Location and Preparation
17
Site Selection
18
Cabinet Placement
18
Rack Mounting
18
Grounding
18
Fans and Airflow
18
Fan Combinations
19
Power
19
Storing Components
19
4 Installing the S4820T
21
Unpacking the S4820T Switch
21
Package Contents
21
Unpacking Steps
22
Installing Rack or Cabinet Hardware
23
Rack Mounting Safety Considerations
23
Installing the Dell Readyrails System
24
Two-Post Flush-Mount Configuration
25
Two-Post Center-Mount Configuration
26
Four-Post Threaded Configuration
27
Installing the S4820T Switch
28
1U Front-Rack Installation
28
Attaching the Ground Cable
28
Installing an AC or DC Power Supply
29
Installing QSFP+ Optics
31
Removing QSFP+ Optics
31
Splitting QSFP+ Ports to SFP+ or RJ-45 Ports
31
Important Points to Know
31
Powering up the S4820T Switch
32
Power up Sequence
32
Connecting the Stacking Ports (Optional)
33
Important Port-Stacking Points to Know
33
Connect Two S4820T Systems
34
Connect Three S4820T Systems
35
Hot-Swapping Units in a Stack
36
5 Power Supplies
39
Components
39
Installing an AC or DC Power Supply
40
Replacing an AC or DC Power Supply
40
Connecting a DC Power Supply to the Power Source
41
Removing Power Connector from an S4820T DC Power Supply
42
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Dell S4820T Installation Manual (59 pages)
Brand:
Dell
| Category:
Switch
| Size: 2.89 MB
Table of Contents
Table of Contents
3
1 About this Guide
5
Information Symbols and Warnings
5
Related Documents
6
2 The S4820T Switch
7
Introduction
7
Prerequisites
8
Features
9
Physical Dimensions
9
Chassis Ports
9
Determine System Status
9
LED Displays
10
Orderable S4820T Components
12
3 Site Preparations
13
Site Selection
13
Cabinet Placement
13
Rack Mounting
14
Grounding
14
Fans and Airflow
14
Power
14
Storing Components
15
4 Install the Hardware
17
Unpacking the Switch
17
Install the Chassis
18
Rack Mounting Safety Considerations
18
Install the Dell Readyrails System
19
Installing Readyrails - Tool-Less Method
20
Installing Readyrails - Two-Post Flush-Mount Configuration
21
Installing Readyrails - Two-Post Center-Mount Configuration
23
Installing Readyrails - Four-Post Threaded Configuration
23
Attaching Switch Rails to the Switch and Mounting the Chassis
25
Attaching the Ground Cable
25
Installing the SFP+ and QSFP+ Optics
26
Removing QSFP+ Optics
26
Important Points to Remember
27
Splitting QSFP+ Ports to SFP+ or RJ-45 Ports
27
5 Power Supplies
29
Important Points to Remember
29
Installing AC or DC Power Supplies
30
Replacing an AC or DC Power Supply
31
Connecting a DC Power Supply to the Power Source
31
6 Install Fans
35
Installing a Fan Module
36
Replacing a Fan Module
36
7 Supply Power and Power up the System
37
8 Connecting the Stacking Ports (Optional)
39
Important Points to Remember
39
Connecting Two S4820T Systems
40
Connecting Three S4820T Systems
41
Hot-Swap Units in a Stack
42
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