HP PROCURVE 2300 Manual de usuario Pagina 171
- Pagina / 270
- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
160
Enhancements in Release F.02.11
Fast-Uplink Spanning Tree Protocol (STP)
Syntax: spanning-tree e <port/trunk-list> mode uplink Enables STP on the switch and configures
fast-uplink STP on the designated
interfaces (port or trunk).
HP2512(config)# spanning-tree e 1,trk1 mode uplink
Operating Notes
Effect of Reboots on Fast-Uplink STP Operation. When configured, fast-uplink STP operates
on the designated ports in a running Series 2500 switch. However, if the switch experiences a reboot,
the fast-uplink ports (Mode =
Uplink) use the longer forwarding delay used by ports on standard 802.1D
STP (non fast-uplink). This prevents temporary loops that could otherwise result while the switch is
determining the STP status for all ports. That is, on ports configured for fast-uplink STP, the first STP
state transition after a reboot takes the same amount of time as for redundant ports that are not
configured for fast-uplink STP.
Using Fast Uplink with Port Trunks. To use a port trunk for fast-uplink STP, configure it in the
same way that you would an individual port for the same purpose. A port trunk configured for fast
uplink operates in the same way as an individual, non-trunked port operates; that is, as a logical port.
Note
When you add a port to a trunk, the port takes on the STP mode configured for the trunk, regardless
of which STP mode was configured on the port before it was added to the trunk. Thus, all ports
belonging to a trunk configured with
Uplink in the STP Mode field will operate in the fast-uplink mode.
(If you remove a port from a trunk, the port reverts to the STP Mode setting it had before you added
the port to the trunk.
To use fast uplink over a trunk, you must:
1. Create the trunk.
2. Configure the trunk for fast uplink in the same way that you would configure an individual port
for fast uplink.
When you first create a port trunk, its STP Mode setting will be
Norm, regardless of whether one or
more ports in the trunk are set to fast uplink (Mode =
Uplink). You must still specifically configure the
trunk Mode setting to
Uplink. Similarly, if you eliminate a trunk, the Mode setting on the individual
ports in the trunk will return to their previous settings.
- Release Notes: 1
- Disclaimer 3
- Warranty 3
- Contents 4
- Software Management 12
- TFTP Download from a Server 13
- Implementation of LLDP 18
- LLDP Terminology 18
- General LLDP Operation 19
- LLDP Configuration Options 19
- LLDP Standards Compatibility 20
- LLDP Operating Rules 21
- LLDP Operation and Commands 22
- Viewing LLDP-detected Devices 23
- Disable Auto-MDIX 25
- New Console Option 26
- Syslog Overview 27
- Syslog Operation 27
- ■ Switch Series 2800 29
- Configuring Syslog Logging 30
- Operating Notes for Syslog 31
- General Features 41
- How 802.1X Operates 42
- Authenticator Operation 42
- Note on 802.1X and LACP 46
- 802.1X Open VLAN Mode 55
- Introduction 55
- Only 802.1X Devices 66
- Connections to Other Switches 68
- Status Indicator Meaning 76
- ■ The switch reboots 77
- IGMP Version 3 Support 82
- Friendly port names assigned 86
- Friendly Port Name 87
- ■ 3DES (168-bit) 90
- ■ DES (56-bit) 90
- Prerequisite for Using SSH 91
- Public Key Format Requirement 91
- Host Public Key 97
- Note on the Public Key Format 98
- Hexadecimal "Hash" 100
- Public Key 100
- Phonetic "Hash" of 100
- Switch’s Public Key 100
- ■ Execute no ip ssh 101
- Note on Port Number 102
- Bit Size Public Index 107
- Note on Public Keys 109
- Troubleshooting SSH Operation 112
- ■ Serial port (Console) 113
- ■ Telnet 113
- ■ Port-Access 113
- Terminology 114
- Preparation: 115
- The switch now allows 119
- Telnet and SSH 119
- Local Authentication Process 124
- Configuring RADIUS Accounting 125
- ■ IP address: 10.33.18.151 129
- ■ Start-Stop: 131
- ■ Stop-Only: 131
- Viewing RADIUS Statistics 132
- RADIUS Authentication 135
- RADIUS Accounting 136
- as both the primary 138
- Global RADIUS Encryption Key 139
- Configuration File Downloads 140
- Session 2 is an active 147
- Telnet session 147
- The kill 2 command 147
- Overview 148
- Configuring RSTP 150
- Note on Path Cost 156
- The asterisk indicates that 164
- 5. Press 166
- Operating Notes 171
- Fast-Uplink Troubleshooting 172
- Access Security 176
- General System Requirements 179
- TACACS+ Operation 180
- Note on Privilege Levels 181
- First-Choice TACACS+ Server 190
- How Authentication Operates 192
- Using the Encryption Key 194
- General Operation 194
- Authentication 195
- Messages 196
- 2. Switch Configuration 199
- 1. System Information 199
- TimeP Time Synchronization 200
- SNTP Time Synchronization 200
- Time Protocol Operation 200
- Table 15. SNTP Parameters 202
- – TIMEP 203
- Broadcast as the SNTP mode 206
- Broadcast 208
- Table 16. Timep Parameters 210
- – TIMEP (the default) 211
- Time Sync 213
- Manual mode enables 214
- DHCP as 215
- Address Prioritization 216
- Configured 218
- Control (IGMP) 219
- Fast-Leave IGMP 221
- Forced Fast-Leave IGMP 223
- 2 at the 224
- 7 specifies port 7 224
- Verification 225
- Querier Operation 226
- Switch Memory Operation 227
- Addresses Across a Reboot 228
- Configuration Guide 231
- Time Protocol Changes 232
- Passwords 233
- Software Fixes 237
- Release F.01.08 240
- Release F.01.10 240
- Release F.02.02 240
- Release F.02.03 242
- Release F.02.09 246
- Release F.02.10 246
- Release F.02.11 246
- Release F.02.12 247
- Release F.02.13 247
- Release F.04.08 249
- Release F.05.14 254
- Release F.05.17 258
- Release F.05.18 258
- Release F.05.22 259
- Release F.05.33 263
- Release F.05.34 263
- Release F.05.52 265
- Release F.05.55 266
- Release F.05.59 267
- Release F.05.60 267
- Release F.05.61 267
- Release F.05.68 268
- Release F.05.69 269
- Release F.05.70 269
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