Extreme Networks ExtremeWare Enterprise Manager Guía de usuario Pagina 353
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Valorado. / 5. Basado en revisión del cliente
E
XTREME
W
ARE
S
OFTWARE
U
SER
G
UIDE
17-23
H
EALTH
C
HECKING
P
ING
-C
HECK
Ping-check is Layer 3 based pinging of the physical node. The default ping frequency is
one ping generated to the node each 10 seconds. If the node does not respond to any
ping within a timeout period of 30 seconds (3 ping intervals), then the node is
considered down.
P
ING
-C
HECK
C
OMMANDS
To enable ping-check, use this command:
enable slb node <ipaddress> ping-check
To disable ping-check, use this command:
disable slb node <ipaddress> ping-check
TCP-P
ORT
-C
HECK
TCP-port-check is Layer 4 based TCP port open/close testing of the physical node. The
default frequency is 30 seconds and the default timeout is 90 seconds. Port-checking is
useful when a node passes ping-checks, but a required TCP service (for example, httpd)
has gone down. If the httpd daemon running on TCP port 80 crashed, that would cause
a layer 4 port-check on port 80 to fail, because no TCP socket could be opened to that
port. If this continues for the duration of the specified port-check timeout, the IP/port
combination is considered down.
TCP-P
ORT
-C
HECK
C
OMMANDS
To enable tcp-port-check, use this command:
enable slb node <ipaddress>:<L4Port> tcp-port-check
To disable tcp-port-check, use this command:
disable slb node <ipaddress>:{<L4Port> | all} tcp-port-check
- ExtremeWare Software 1
- User Guide 1
- Contents 3
- 2ACCESSING THE SWITCH 4
- 3MANAGING THE SWITCH 4
- AND PORTS 5
- 6VIRTUAL LANS (VLANS) 6
- 7FORWARDING DATABASE (FDB) 7
- 8SPANNING TREE PROTOCOL (STP) 8
- 9QUALITY OF SERVICE (QOS) 8
- 11 IP UNICAST ROUTING 10
- 14 IP MULTICAST ROUTING 12
- 15 IPX ROUTING 13
- 16 ACCESS POLICIES 13
- ERVER LOAD BALANCING (SLB) 15
- 19 USING EXTREMEWARE VISTA 16
- ASUPPORTED STANDARDS 17
- BTROUBLESHOOTING 17
- INDEX OF COMMANDS 18
- NTRODUCTION 19
- ONVENTIONS 20
- UBLICATIONS 21
- ExtremeWare Overview 23
- IFFERENCES 27
- UNCTIONALITY 28
- ULL L3 FUNCTIONALITY 28
- ICENSING 29
- BTAINING 30
- MacVLanDiscover 31
- Accessing the Switch 33
- BBREVIATED SYNTAX 34
- NDERSTANDING 35
- CCESSING 36
- Table 2- 2: Line-Editing Keys 37
- is +/- minutes from 39
- ANAGEMENT 41
- DMINISTRATOR 42
- HANGING THE DEFAULT PASSWORD 43
- IEWING ACCOUNTS 44
- RACEROUTE 47
- Managing the Switch 49
- 10/100 UTP M 50
- 2 (SSH2) 55
- <tcp_port_number>} 56
- ONTROLLING 57
- RADIUS C 61
- UTHENTICATION 62
- ONFIGURING RADIUS CLIENT 62
- Table 3- 2: RADIUS Commands 63
- UTHENTICATING 67
- TACACS+ 68
- Configuring BlackDiamond and 75
- Alpine Switch Slots and Ports 75
- Load-Sharing 83
- 4-port groups x x x x 83
- 2-port groups x x x x 83
- ISCOVERY 87
- IRRORING 98
- ONFIGURING 100
- Failover linksPrimary links 101
- Virtual LANs (VLANs) 103
- Marketing 105
- System 1 106
- System 2 106
- Accounting 107
- Engineering 107
- SSIGNING A VLAN TAG 108
- REDEFINED PROTOCOL FILTERS 112
- = IP traffic 112
- = All other traffic 112
- ONFIGURATION 116
- ISPLAYING 118
- EGISTRATION 119
- VLAN Red 120
- Untagged 120
- UIDELINES 123
- IMITATIONS 123
- Forwarding Database (FDB) 127
- ORWARDING 128
- Spanning Tree Protocol (STP) 133
- ONFIGURATIONS 135
- Sales, Personnel, Marketing 136
- Sales & Engineering 137
- ISABLING 141
- ESETTING 141
- Quality of Service (QoS) 143
- PPLICATIONS 145
- SSIGNING 147
- TTRIBUTES 147
- ERMANENT MAC ADDRESSES 152
- DDRESSES 153
- LACKHOLE 153
- ERIFYING 154
- ONFIGURING 802.1P PRIORITY 154
- BSERVING 155
- NFORMATION 155
- EPLACING 160
- point instead of repeating 161
- ROUPINGS 162
- ERFORMANCE 163
- ODIFYING 165
- ETERMINING 173
- LGORITHMS 175
- BD_F32F8 177
- BD_F32T8 177
- SUG_4fr8 178
- SUG_4FX8 178
- SUG_48f8 179
- OSPF/BGP4 180
- AGGREGATION 183
- Table 10-1: ESRP Commands 184
- OSPF or RIP 187
- IP Unicast Routing 191
- NTERFACES 192
- OPULATING 193
- ULTIPLE ROUTES 194
- NCAPABLE 195
- RIORITIES 196
- ULTINETTING 197
- PERATION 198
- GGREGATION 201
- 1234AB5678 202
- ROPERTIES 203
- DHCP/BOOTP R 206
- ROCESSING 208
- Table 11-4: Basic IP Commands 209
- = NetBIOS traffic 216
- Interior Gateway Routing 221
- Protocols 221
- ROTOCOLS 222
- VER VIEW 223
- Virtual link 229
- Area 2 Area 1 Area 0 229
- ABR 1 ABR 2 230
- Area 1 Area 0 Area 3 230
- ASBR ASBR 231
- ISTRIBUTING 233
- Triggered update 236
- Exterior Gateway Routing 251
- OMMUNITIES 253
- OUTE CONFEDERATION EXAMPLE 254
- IP Multicast Routing 267
- ULTICAST 268
- PARSE MODE (PIM-SM) 269
- ULTICASTING 270
- Protocol (IGMP) 273
- PIM-DM C 276
- IPX Routing 281
- 192.207.35.0 282
- Personnel 282
- 192.207.36.0 282
- NCAPSULATION 283
- YNAMIC ROUTES 284
- TATIC ROUTES 284
- DVERTISEMENTS 285
- Access Policies 295
- ESTABLISHED 298
- 10.10.10.1 305
- 10.10.10.100 10.10.20.100 305
- 10.10.20.1 305
- NET20 VLANNET10 VLAN 306
- XAMPLE 2: FILTER ICMP PACKETS 308
- PECIFYING 311
- EQUENCE NUMBERING 311
- Internet 314
- Backbone (RIP) 314
- SalesEngsvrs 314
- Engsvrs Sales 314
- OUTE MAP EXAMPLE 326
- Server Load Balancing (SLB) 331
- OMPONENTS 332
- ALANCING 334
- RANSLATIONAL 338
- RANSLATION 340
- Clients Servers 341
- DVERTISEMENT 342
- ONNECTIONS 344
- PPLICATION 348
- Server pools 349
- ERVICE-CHECK COMMANDS 355
- ERSISTENCE 356
- VAILABILITY 357
- SLB switch 358
- SING MANUAL FAIL-BACK 361
- EDIRECTION 368
- Client VLAN 370
- Cache VLAN 370
- ONITORING 371
- Table 18-1 describes 372
- IAGNOSTICS 373
- TATISTICS 374
- EAL-TIME DISPLAY 379
- Table 18-5: Logging Commands 381
- Table 18-6: Event Actions 385
- Using ExtremeWare Vista 387
- AVIGATING 390
- ROWSER CONTROLS 391
- ILTERING 392
- Software Upgrade and Boot 395
- EBOOTING 396
- YNCHRONIZING 401
- Supported Standards 405
- UPPORTED 406
- TANDARDS 406
- Troubleshooting 407
- ROUBLESHOOTING 408
- NTERFACE 409
- Numerics 415
- (table) 3-23 422
- Index of Commands 425
- Index of Commands - iii 427
- Index of Commands - v 429
- replacement ports 9-17 431
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