Chapter 23 Spanning Tree Protocol
SAM1316-22 User’s Guide
169
RSTP assigns three port states to eliminate packet looping while STP assigns five
(see
). A device port is not allowed to go directly from
blocking state to forwarding state so as to eliminate transient loops.
See the IEEE 802.1w standard for more information on RSTP. See the IEEE 802.1D
standard for more information on STP.
Table 50
RSTP Port States
RSTP PORT STATE
STP PORT STATE
DESCRIPTION
Discarding
Disabled
RSTP or STP is disabled (default).
Discarding
Blocking
In RSTP, BPDUs are discarded.
In STP, only configuration and
management BPDUs are received and
processed.
Discarding
Listening
In RSTP, BPDUs are discarded.
In STP, all BPDUs are received and
processed.
Learning
Learning
All BPDUs are received and processed.
Information frames are submitted to the
learning process but not forwarded.
Forwarding
Forwarding
All BPDUs are received and processed. All
information frames are received and
forwarded.
Содержание SAM1316-22
Страница 2: ......
Страница 8: ...SAM1316 22 User s Guide 8...
Страница 26: ...SAM1316 22 User s Guide 26 Index 459...
Страница 27: ...27 PART I User s Guide...
Страница 28: ...28...
Страница 32: ...Chapter 1 Getting to Know the SAM1316 22 SAM1316 22 User s Guide 32...
Страница 35: ...Chapter 2 Installing and Removing the SAM1316 22 SAM1316 22 User s Guide 35...
Страница 36: ...Chapter 2 Installing and Removing the SAM1316 22 SAM1316 22 User s Guide 36...
Страница 43: ...43 PART II Technical Reference...
Страница 44: ...44...
Страница 74: ...Chapter 7 System Information SAM1316 22 User s Guide 74...
Страница 122: ...Chapter 14 xDSL Profiles Setup SAM1316 22 User s Guide 122...
Страница 128: ...Chapter 15 xDSL Line Data SAM1316 22 User s Guide 128...
Страница 152: ...Chapter 18 IGMP SAM1316 22 User s Guide 152...
Страница 164: ...Chapter 21 Filtering SAM1316 22 User s Guide 164...
Страница 174: ...Chapter 23 Spanning Tree Protocol SAM1316 22 User s Guide 174...
Страница 180: ...Chapter 24 Port Authentication SAM1316 22 User s Guide 180...
Страница 188: ...Chapter 26 DHCP Relay SAM1316 22 User s Guide 188...
Страница 202: ...Chapter 28 2684 Routed Mode SAM1316 22 User s Guide 202...
Страница 212: ...Chapter 30 DSCP SAM1316 22 User s Guide 212...
Страница 224: ...Chapter 32 ACL SAM1316 22 User s Guide 224...
Страница 228: ...Chapter 34 Syslog SAM1316 22 User s Guide 228...
Страница 236: ...Chapter 35 Access Control SAM1316 22 User s Guide 236...
Страница 242: ...Chapter 37 Maximum MTU Size SAM1316 22 User s Guide 242...
Страница 246: ...Chapter 38 PVC Upstream Limit SAM1316 22 User s Guide 246...
Страница 260: ...Chapter 41 Alarm SAM1316 22 User s Guide 260...
Страница 270: ...Chapter 44 MAC Table SAM1316 22 User s Guide 270...
Страница 332: ...Chapter 50 IEEE 802 1Q Tagged VLAN Commands SAM1316 22 User s Guide 332...
Страница 356: ...Chapter 52 IGMP Commands SAM1316 22 User s Guide 356...
Страница 364: ...Chapter 54 OUI Filter Commands SAM1316 22 User s Guide 364...
Страница 368: ...Chapter 55 Packet Filter Commands SAM1316 22 User s Guide 368...
Страница 374: ...Chapter 56 IP Commands SAM1316 22 User s Guide 374...
Страница 384: ...Chapter 58 SNMP SAM1316 22 User s Guide 384...
Страница 428: ...Chapter 60 Virtual Channel Management SAM1316 22 User s Guide 428...
Страница 444: ...Chapter 62 Troubleshooting SAM1316 22 User s Guide 444...
Страница 454: ...Chapter 63 Specifications SAM1316 22 User s Guide 454...
Страница 458: ...SAM1316 22 User s Guide 458...