Brocade FastIron Ethernet Switch Platform and Layer 2 Swit Manual de usuario descargar pdf (Pagina 343)

Displaying MSTP information for CIST instance 0

Instance 0 is the Common and Internal Spanning Tree Instance (CIST). When you display information

for this instance there are some differences with displaying other instances. The following example

displays MSTP information for CIST Instance 0.

device#show mstp 0

MSTP Instance 0 (CIST) - VLANs: 1

----------------------------------------------------------------------------

Bridge Bridge Bridge Bridge Bridge Root Root Root Root

Identifier MaxAge Hello FwdDly Hop MaxAge Hello FwdDly Hop

hex sec sec sec cnt sec sec sec cnt

8000000cdb80af01 20 2 15 20 20 2 15 19

Root ExtPath RegionalRoot IntPath Designated Root

Bridge Cost Bridge Cost Bridge Port

hex hex hex

8000000480bb9876 2000 8000000cdb80af01 0 8000000480bb9876 3/1

Port Pri PortPath P2P Edge Role State Designa- Designated

Num Cost Mac Port ted cost bridge

3/1 128 2000 T F ROOT FORWARDING 0 8000000480bb9876

To display details about the MSTP configuration, enter the following command.

device#show mstp conf

MSTP CONFIGURATION

------------------

Name : Reg1

Revision : 1

Version : 3 (MSTP mode)

Status : Started

Instance VLANs

-------- ------------------------------------------------------

0 4093

To display details about the MSTP that is configured on the device, enter the following command.

device#show mstp detail

MSTP Instance 0 (CIST) - VLANs: 4093

----------------------------------------------------------------------------

Bridge: 800000b000c00000 [Priority 32768, SysId 0, Mac 00b000c00000]

FwdDelay 15, HelloTime 2, MaxHops 20, TxHoldCount 6

Port 6/54 - Role: DESIGNATED - State: FORWARDING

PathCost 20000, Priority 128, OperEdge T, OperPt2PtMac F, Boundary T

Designated - Root 800000b000c00000, RegionalRoot 800000b000c00000,

Bridge 800000b000c00000, ExtCost 0, IntCost 0

ActiveTimers - helloWhen 1

MachineState - PRX-DISCARD, PTX-IDLE, PPM-SENDING_RSTP, PIM-CURRENT

PRT-ACTIVE_PORT, PST-FORWARDING, TCM-INACTIVE

BPDUs - Rcvd MST 0, RST 0, Config 0, TCN 0

Sent MST 6, RST 0, Config 0, TCN 0

Refer to Table 52 on page 341 for explanation about the parameters in the output.

Syntax: show mstp [mstp-id | configuration | detail] [ begin string | exclude string | include string]

Enter an MSTP ID for mstp-id .

Displaying MSTP information for CIST instance 0

FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide 343

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