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NETGEAR 8800 Chassis Switch CLI Manual • Ready (R)-The port is ready to accept a link. • Not Present (NP)-The port is configured, but the module is not installed in the slot. • Loopback (L)-The port is in Loopback mode. • Receive Bad CRC Frames (RX CRC)-The total number of frames received by the port that were of the correct length, but contained a bad FCS value. • Receive Oversize Frames (RX Over)-The total number of good frames received by the port greater than the supported maximum length of 1,522 bytes. • Receive Undersize Frames (RX Under)-The total number of frames received by the port that were less than 64 bytes long. • Receive Fragmented Frames (RX Frag)-The total number of frames received by the port were of incorrect length and contained a bad FCS value. • Receive Jabber Frames (RX Jabber)-The total number of frames received by the port that was of greater than the support maximum length and had a Cyclic Redundancy Check (CRC) error. • Receive Alignment Errors (RX Align)-The total number of frames received by the port that occurs if a frame has a CRC error and does not contain an integral number of octets. • Receive Frames Lost (RX Lost)-The total number of frames received by the port that were lost because of buffer overflow in the switch. Port Monitoring Display Keys For information about the available port monitoring display keys, see the show ports statistics command. Example The following command displays receive error statistics for slot 5, ports 4 through 7, on the switch with auto-refresh disabled: show ports 5:4-5:7 rxerrors no-refresh The following is sample output from this command: Port Rx Error monitor Port Link Rx Rx Rx Rx Rx Rx Rx State Crc Over Under Frag Jabber Align Lost 5:4 R 0 0 0 0 0 0 0 5:5 R 0 0 0 0 0 0 0 5:6 R 0 0 0 0 0 0 0 5:7 R 0 0 0 0 0 0 0 Link State: A-Active, R-Ready, NP-Port not present, L-Loopback show ports statistics show ports {} statistics {no-refresh} 404 | Chapter 8. Commands for Status Monitoring and Statistics

Section	Page
NETGEAR 8800 Chassis Switch CLI Manual	1
Contents	3
1. Command Reference Overview	6
Introduction	6
Audience	6
Structure of this Guide	7
Understanding the Command Syntax	7
Access Levels	7
Syntax Symbols	8
Syntax Helper	8
Object Names	9
Command Shortcuts	10
Port Numbering	10
Numerical Ranges	10
Line-Editing Keys	11
Command History	12
2. Commands for Accessing the Switch	13
3. Commands for Managing the Switch	57
SNMP	57
Telnet	58
TFTP	58
System Redundancy with Dual Management Modules Installed	58
Power Supply Management	58
Simple Network Time Protocol	59
4. Commands for Managing the NETGEAR 8800 Software	157
5. Commands for Configuring Slots and Ports on a Switch	190
6. Commands for Configuring LLDP	269
7. PoE Commands	300
Summary of PoE Software Features	300
8. Commands for Status Monitoring and Statistics	330
Event Management System	330
sFlow Statistics	331
RMON	331
9. VLAN Commands	425
10. FDB Commands	453
11. Commands for Virtual Routers	472
12. Policy Manager Commands	481
13. ACL Commands	487
14. QoS Commands	520
15. Security Commands	554
SSH	554
SSL	554
User Authentication	554
Denial of Service	555
16. Network Login Commands	679
17. STP Commands	737
STP	737
RSTP	737
MSTP	738
Spanning Tree Domains	738
Member VLANs	738
Carrier VLAN	738
Protected VLAN	739
STPD Modes	739
Encapsulation Modes	740
STP Rules and Restrictions	741
18. VRRP Commands	793
19. IP Unicast Commands	814
20. IPv6 Unicast Commands	904
21. RIP Commands	950
22. RIPng Commands	973
23. OSPF Commands	994
OSPF Edge Mode	995
24. OSPFv3 Commands	1036
OSPF Edge Mode	1037
25. BGP Commands	1075
26. IP Multicast Commands	1163
27. IPv6 Multicast Commands	1242
28. MSDP Commands	1261
29. vMAN (PBN) Commands	1296
A. Configuration and Image Commands	1306
B. Troubleshooting Commands	1345
Event Management System	1345

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1,243
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1,248
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1,256
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1,258
1,259
1,260
1,261
1,262
1,263
1,264
1,265
1,266
1,267
1,268
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1,270
1,271
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1,296
1,297
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1,303
1,304
1,305
1,306
1,307
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1,309
1,310
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1,313
1,314
1,315
1,316
1,317
1,318
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1,320
1,321
1,322
1,323
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1,325
1,326
1,327
1,328
1,329
1,330
1,331
1,332
1,333
1,334
1,335
1,336
1,337
1,338
1,339
1,340
1,341
1,342
1,343
1,344
1,345
1,346
1,347
1,348
1,349
1,350
1,351
1,352
1,353
1,354
1,355
1,356
1,357
1,358
1,359
1,360
1,361
1,362
1,363
1,364
1,365
1,366
1,367
1,368
1,369
1,370
1,371
1,372
1,373
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1,375
1,376
1,377
1,378
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1,385
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1,387
1,388
1,389
1,390
1,391
1,392
1,393

Match case Limit results 1 per page

404

Chapter 8.

Commands for Status Monitoring and Statistics

NETGEAR 8800 Chassis Switch CLI Manual

•

Ready (R)—The port is ready to accept a link.

•

Not Present (NP)—The port is configured, but the module is not installed in the slot.

•

Loopback (L)—The port is in Loopback mode.

•

Receive Bad CRC Frames (RX CRC)—The total number of frames received by the port

that were of the correct length, but contained a bad FCS value.

•

Receive Oversize Frames (RX Over)—The total number of good frames received by the

port greater than the supported maximum length of 1,522 bytes.

•

Receive Undersize Frames (RX Under)—The total number of frames received by the port

that were less than 64 bytes long.

•

Receive Fragmented Frames (RX Frag)—The total number of frames received by the port

were of incorrect length and contained a bad FCS value.

•

Receive Jabber Frames (RX Jabber)—The total number of frames received by the port

that was of greater than the support maximum length and had a Cyclic Redundancy

Check (CRC) error.

•

Receive Alignment Errors (RX Align)—The total number of frames received by the port

that occurs if a frame has a CRC error and does not contain an integral number of octets.

•

Receive Frames Lost (RX Lost)—The total number of frames received by the port that

were lost because of buffer overflow in the switch.

Port Monitoring Display Keys

For information about the available port monitoring display keys, see the

show ports

statistics

command.

Example

The following command displays receive error statistics for slot 5, ports 4 through 7, on the

switch with auto-refresh disabled:

show ports 5:4-5:7 rxerrors no-refresh

The following is sample output from this command:

Port Rx Error monitor

Port

Link

State

Crc

Over

Under

Frag

Jabber

Align

Lost

================================================================================

5:4

5:5

5:6

5:7

================================================================================

Link State: A-Active, R-Ready, NP-Port not present, L-Loopback

show ports statistics

show ports {<port_list>} statistics {no-refresh}