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Rapid Spanning Tree Protocol (RSTP)
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Example 2
Figure 50-5. show spanning-tree rstp with EDS and LBK
Example 3
Figure 50-6. show spanning-tree rstp guard Command Example
FTOS#show spanning-tree rstp br
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 32768, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15
Bridge ID Priority 32768, Address 0001.e801.6aa8
We are the root
Configured hello time 2, max age 20, forward delay 15
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
---------- -------- ---- ------- --- ------- -------------------- --------
Gi 0/0 128.257 128 20000 EDS 0 32768 0001.e801.6aa8 128.257
Interface
Name Role PortID Prio Cost Sts Cost Link-type Edge
---------- ------ -------- ---- ------- --- ------- --------- ----
Gi 0/0 ErrDis 128.257 128 20000 EDS 0 P2P No
FTOS#show spanning-tree rstp
Root Identifier has priority 32768, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15, max hops 0
Bridge Identifier has priority 32768, Address 0001.e801.6aa8
Configured hello time 2, max age 20, forward delay 15, max hops 0
We are the root
Current root has priority 32768, Address 0001.e801.6aa8
Number of topology changes 1, last change occured 00:00:31 ago on Gi 0/0
Port 257 (GigabitEthernet 0/0) is LBK_INC Discarding
Port path cost 20000, Port priority 128, Port Identifier 128.257
Designated root has priority 32768, address 0001.e801.6aa8
Designated bridge has priority 32768, address 0001.e801.6aa8
Designated port id is 128.257, designated path cost 0
Number of transitions to forwarding state 1
BPDU : sent 27, received 9
The port is not in the Edge port mode
LBK_INC means
Loopback BPDU
Inconsistency
Table 50-1. show spanning-tree rstp guard Command Information
Field
Description
Interface Name
RSTP interface
Instance
RSTP instance
Sts
Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS),
blocking (BLK), or shut down (EDS Shut)
Guard Type
Type of STP guard configured (Root, Loop, or BPDU guard)
FTOS#show spanning-tree rstp guard
Interface
Name Instance Sts Guard type
--------- -------- --------- ----------
Gi 0/1 0 INCON(Root) Rootguard
Gi 0/2 0 FWD Loopguard
Gi 0/3 0 BLK Bpduguard
Содержание Force10 TeraScale C Series
Страница 1: ...FTOS Command Line Reference Guide FTOS 8 4 2 7 E Series TeraScale C Series S Series S50 S25 ...
Страница 164: ...164 Control and Monitoring w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 176: ...176 802 1ag w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 188: ...188 802 3ah w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 204: ...204 802 1X w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 294: ...294 Access Control Lists ACL w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 428: ...428 Border Gateway Protocol IPv4 BGPv4 w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 456: ...456 Configuration Rollback w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 472: ...472 Dynamic Host Configuration Protocol DHCP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 484: ...484 Far End Failure Detection FEFD w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 682: ...682 IPv4 Routing w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 732: ...732 IPv6 Basics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 896: ...896 Layer 2 w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 914: ...914 Link Layer Detection Protocol LLDP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 926: ...926 Multicast Listener Discovery MLD w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 952: ...952 Multiple Spanning Tree Protocol MSTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 976: ...976 Multicast w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 984: ...984 Neighbor Discovery Protocol NDP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1094: ...1094 Policy based Routing PBR w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1130: ...1130 PIM Sparse Mode PIM SM w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1164: ...1164 Private VLAN PVLAN w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1276: ...1276 Rapid Spanning Tree Protocol RSTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1342: ...1342 Service Provider Bridging w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1354: ...1354 sFlow w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1428: ...1428 Spanning Tree Protocol STP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1444: ...1444 Time and Network Time Protocol NTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1464: ...1464 VLAN Stacking w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1494: ...1494 Virtual Router Redundancy Protocol VRRP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1534: ...1534 C Series Diagnostics and Debugging w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1574: ...1574 E Series Debugging and Diagnostics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1592: ...1592 S Series Debugging and Diagnostics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1622: ...1622 Index w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1640: ...1640 Command Index w w w d e l l c o m s u p p o r t d e l l c o m ...