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生成树

2022-12-28提问

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zhiliao_RmyTN3

zhiliao_RmyTN3 二段

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问题描述：

华三交换机与思科交换机如何对接生成树

组网及组网描述：

4 个回答

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zhiliao_Rk3lMm

zhiliao_Rk3lMm 六段

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华三这边stp模式改成pvst

[H3C]stp mode pvst

由相关配置手册么

zhiliao_RmyTN3 发表时间：2022-12-28 更多>>

思科也配pvst么

zhiliao_RmyTN3 发表时间：2022-12-28

由相关配置手册么

zhiliao_RmyTN3 发表时间：2022-12-28

zhiliao_sEUyB

zhiliao_sEUyB 九段

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MSTP/PVST 对接操作指导

2.1 与思科设备对接操作指导

2.1.1 互通性分析

H3C 支持的 STP/RSTP/MSTP 均是 IEEE 标准组织制定的标准协议。Cisco 支持的生成树协议中，

MSTP 为标准协议，Rapid-Pvst 为 Cisco 私有协议。

如表 4 所示，H3C 和 Cisco 生成树协议的互通性情况如下：

•H3C 的 MSTP 与 Cisco 的 MSTP 可以完全互通

为了实现互通，在保证相连的 H3C 交换机域配置和 Cisco 交换机域配置完全一致的前提下，

还需要在 H3C 设备上通过 stp config-digest-snooping 命令，在每一个和 Cisco 交换机相连的

端口上开启摘要侦听功能功能。

另外，H3C 设备的 Comware V5 MSTP 默认 BPDU 封装格式为 legacy，Comware V7 MSTP

默认 BPDU 封装格式为 802.1s。在 Cisco 设备上需要通过 spanning-tree mst pre-standard

（legacy）或 no spanning-tree mst pre-standard（802.1s）命令，将 MSTP BPDU 封装格式

修改为 legacy 或 802.1s，使得 H3C 设备和 Cisco 设备的 MSTP BPDU 封装格式一致。

•H3C 的 MSTP 与 Cisco 的 Rapid-Pvst 可以在一定程度上完成互通

如果 H3C 设备采用 Access 端口对接，H3C 设备会将 Cisco 设备当作一个支持 IEEE802.1D

的设备，正常进行生成树计算。如果 H3C 设备采用 Trunk 接口对接，标准的 STP 设备可以与

Rapid-Pvst 设备的 VLAN 1 互通；但在其他 VLAN 上，标准 STP 设备无法识别 Rapid-Pvst

报文，要求物理环路必须在标准 STP 设备上来阻断，也就是说 Blocking 端口必须在标准 STP

设备（H3C）上而不是 Rapid-Pvst 设备（Cisco）上，否则就可能导致 VLAN 1 以外的其他

VLAN 出现广播风暴。

表4 MSTP/PVST 互通性分析

2.1.2 组网需求

如图 7 所示，H3C 设备与 Cisco 设备通过两条链路相互连接。现要求在 H3C 设备和 Cisco 设备上

分别配置 MSTP，实现 MSTP 互通。

图7 MSTP 对接配置组网图

2.1.3 配置步骤

•配置 H3C 设备

GE1/0/1

H3C

Cisco

GE1/0/2

E1/11

E1/1391

# 创建 VLAN 接口 2，并为该接口配置 IP 地址和子网掩码。

<H3C> system-view

[H3C] vlan 2

[H3C-vlan2] quit

[H3C] interface Vlan-interface 2

[H3C-Vlan-interface2] ip address 16.1.11.55 255.255.255.0

[H3C-Vlan-interface2]quit

# 在端口 GigabitEthernet1/0/1 上开启摘要侦听功能。

[H3C] interface gigabitethernet 1/0/1

[H3C-GigabitEthernet1/0/1] stp config-digest-snooping

# 配置端口 GigabitEthernet1/0/1 为 Trunk 端口，允许 VLAN2 通过。

[H3C-GigabitEthernet1/0/1] port link-type trunk

[H3C-GigabitEthernet1/0/1] port trunk permit vlan 2

[H3C-GigabitEthernet1/0/1] quit

# 在端口 GigabitEthernet1/0/2 上开启摘要侦听功能。

[H3C] interface gigabitethernet 1/0/2

[H3C-GigabitEthernet1/0/2] stp config-digest-snooping

# 配置端口 GigabitEthernet1/0/2 为 Trunk 端口，允许 VLAN2 通过。

[H3C-GigabitEthernet1/0/2] port link-type trunk

[H3C-GigabitEthernet1/0/2] port trunk permit vlan 2

[H3C-GigabitEthernet1/0/2] quit

# 全局开启摘要侦听功能。

[H3C] stp global config-digest-snooping

# 全局开启生成树协议。

[H3C] stp global enable

•配置 Cisco 设备

# 如下配置以 Cisco Nexus9000 C9236C 为例进行介绍，设备具体信息如下：

Cisco# show version

Cisco Nexus Operating System (NX-OS) Software

TAC support: http://www.cisco.com/tac

The copyrights to certain works contained in this software are

owned by other third parties and used and distributed under their own

licenses, such as open source. This software is provided "as is," and unless

otherwise stated, there is no warranty, express or implied, including but not

limited to warranties of merchantability and fitness for a particular purpose.

Certain components of this software are licensed under

the GNU General Public License (GPL) version 2.0 or

GNU General Public License (GPL) version 3.0 or the GNU

Lesser General Public License (LGPL) Version 2.1 or

Lesser General Public License (LGPL) Version 2.0.

A copy of each such license is available at

***.***/licenses/gpl-2.0.php and

***.***/licenses/gpl-3.0.html and

***.***/licenses/lgpl-2.1.php andhttp://***.***/licenses/old-licenses/library.txt.

Software

BIOS: version 07.56

NXOS: version 7.0(3)I4(6)

BIOS compile time: 06/08/2016

NXOS image file is: bootflash:///nxos.7.0.3.I4.6.bin

NXOS compile time: 3/9/2017 22:00:00 [03/10/2017 07:05:18]

Hardware

cisco Nexus9000 C9236C chassis

Intel(R) Xeon(R) CPU @ 1.80GHz with 16400984 kB of memory.

Processor Board ID FDO20511FC7

Device name: switch

bootflash: 53298520 kB

Kernel uptime is 17 day(s), 20 hour(s), 9 minute(s), 30 second(s)

Last reset

Reason: Unknown

System version: 7.0(3)I4(6)

Service:

plugin

Core Plugin, Ethernet Plugin

Active Package(s):

# 进入 VLAN2 的配置模式，并配置 IP 地址。

Cisco# configure terminal

Cisco(config)# interface vlan 2

Cisco(config-if)#ip address 16.1.11.56 255.255.255.0

Cisco(config-if)#exit

# 配置接口 Ethernet1/11 为 Trunk 口，并指定为 VLAN2 的成员端口。

Cisco(config)# interface Ethernet 1/11

Cisco(config-if)# switchport mode trunk

Cisco(config-if)# switchport access vlan 2

Cisco(config-if)# switchport trunk allowed vlan 2

Cisco(config-if)# exit

# 配置接口 Ethernet1/13 为 Trunk 口，并指定为 VLAN2 的成员端口。

Cisco(config-if)# interface Ethernet 1/13

Cisco(config-if)# switchport mode trunk

Cisco(config-if)# switchport access vlan 2

Cisco(config-if)# switchport trunk allowed vlan 2

Cisco(config-if)# end

2.1.4 验证配置

# 在 H3C 设备上验证生成树状态和统计的简要信息。

[H3C] display stp brief

MST ID Port Role TP State Protection

0 GigabitEthernet1/0/1 DESI FORWARDING NONE

0 GigabitEthernet1/0/2 DESI FORWARDING NONE

92# 在 H3C 设备上验证在 MSTP 模式下，显示 MSTI0 在端口 GigabitEthernet1/0/2 上生成树状态和

统计的信息。

[H3C] display stp instance 0 interface gigabitethernet 1/0/2

-------[CIST Global Info][Mode MSTP]-------

Bridge ID : 32768.1cab-3496-09f6

Bridge times : Hello 2s MaxAge 20s FwdDelay 15s MaxHops 20

Root ID/ERPC : 32768.1cab-3496-09f6, 0

RegRoot ID/IRPC : 32768.1cab-3496-09f6, 0

RootPort ID : 0.0

BPDU-Protection : Disabled

Bridge Config

Digest-Snooping : Enabled

TC or TCN received : 2

Time since last TC : 0 days 0h:34m:14s

----[Port391(GigabitEthernet1/0/2)][FORWARDING]----

Port protocol : Enabled

Port role : Designated Port

Port ID : 128.391

Port cost(Legacy) : COnfig=auto, Active=1

Desg.bridge/port : 32768.1cab-3496-09f6, 128.391

Port edged : COnfig=disabled, Active=disabled

Point-to-Point : COnfig=auto, Active=true

Transmit limit : 10 packets/hello-time

TC-Restriction : Disabled

Role-Restriction : Disabled

Protection type : COnfig=none, Active=none

MST BPDU format : COnfig=auto, Active=802.1s

Port Config

Digest-Snooping : Enabled

Rapid transition : False

Num of VLANs mapped : 2

Port times : Hello 2s MaxAge 20s FwdDelay 15s MsgAge 0s RemHops 20

BPDU sent : 1784

TCN: 0, Config: 0, RST: 0, MST: 1784

BPDU received : 0

TCN: 0, Config: 0, RST: 0, MST: 0

# 在 H3C 设备上验证在 MSTP 模式下，显示 MSTI0 在端口 GigabitEthernet1/0/1 上生成树状态和

统计的信息。

[H3C] display stp instance 0 interface gigabitethernet 1/0/1

-------[CIST Global Info][Mode MSTP]-------

Bridge ID : 32768.1cab-3496-09f6

Bridge times : Hello 2s MaxAge 20s FwdDelay 15s MaxHops 20

Root ID/ERPC : 32768.1cab-3496-09f6, 0

RegRoot ID/IRPC : 32768.1cab-3496-09f6, 0

RootPort ID : 0.0

BPDU-Protection : Disabled

Bridge Config-

9394

Digest-Snooping : Enabled

TC or TCN received : 2

Time since last TC : 0 days 0h:34m:21s

----[Port381(GigabitEthernet1/0/1)][FORWARDING]----

Port protocol : Enabled

Port role : Designated Port (Boundary)

Port ID : 128.381

Port cost(Legacy) : COnfig=auto, Active=1

Desg.bridge/port : 32768.1cab-3496-09f6, 128.381

Port edged : COnfig=disabled, Active=disabled

Point-to-Point : COnfig=auto, Active=true

Transmit limit : 10 packets/hello-time

TC-Restriction : Disabled

Role-Restriction : Disabled

Protection type : COnfig=none, Active=none

MST BPDU format : COnfig=auto, Active=802.1s

Port Config

Digest-Snooping : Enabled

Rapid transition : False

Num of VLANs mapped : 2

Port times : Hello 2s MaxAge 20s FwdDelay 15s MsgAge 0s RemHops 20

BPDU sent : 1787

TCN: 0, Config: 0, RST: 0, MST: 1787

BPDU received : 2

TCN: 0, Config: 0, RST: 2, MST: 0

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参考

韦家宁【技术大咖】

韦家宁【技术大咖】九段

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您好，请知：

以下是与思科对接PVST的案例，请参考：

本案例使用S12508与思科2960对接PVST的典型组网配置案例， S12508-1为主根，同时也部署了VRRP，其中S12508-1为VRRP的master，S12508-2为VRRP的backup，为了进一步防止物理环路，因此在S12508与思科2960部署PVST。

S12508版本信息如下：

H3C Comware Platform Software

Comware Software, Version 5.20, Release 1828P05

H3C S12508 uptime is 57 weeks, 5 days, 7 hours, 43 minutes

Last reboot reason : User reboot

思科2960版本信息如下：

sh version

Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(50)SE5, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Compiled Tue 28-Sep-10 13:44 by prod_rel_team

Image text-base: 0x00003000,>

ROM: Bootstrap program is C2960 boot loader

BOOTLDR: C2960 Boot Loader (C2960-HBOOT-M) Version 12.2(44)SE5, RELEASE SOFTWARE (fc1)

anquanpingtai-ha-v4-1 uptime is 2 years, 38 weeks, 5 days, 11 hours, 11 minutes

System returned to ROM by power-on

System restarted at 23:25:04 UTC Wed Jul 19 2017

System image file is "flash:c2960-lanbasek9-mz.122-50.SE5/c2960-lanbasek9-mz.122-50.SE5.bin"

This product contains cryptographic features and is subject to United

States and local country laws governing import, export, transfer and

use. Delivery of Cisco cryptographic products does not imply

third-party authority to import, export, distribute or use encryption.

Importers, exporters, distributors and users are responsible for

compliance with U.S. and local country laws. By using this product you

agree to comply with applicable laws and regulations. If you are unable

to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:

http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to

export@cisco.com.

cisco WS-C2960G-48TC-L (PowerPC405) processor (revision H0) with 65536K bytes of memory.

Processor board ID FOC1520W692

Last reset from power-on

6 Virtual Ethernet interfaces

48 Gigabit Ethernet interfaces

The password-recovery mechanism is enabled.

64K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address : 20:37:06:04:0C:00

Motherboard assembly number : 73-10300-12

Power supply part number : 341-0098-02

Motherboard serial number : FOC15200C86

Power supply serial number : DCA151090Q4

Model revision number : H0

Motherboard revision number : A0

Model number : WS-C2960G-48TC-L

System serial number : FOC1520W692

Top Assembly Part Number : 800-27071-06

Top Assembly Revision Number : D0

Version ID : V06

CLEI Code Number : COMB800BRA

Hardware Board Revision Number : 0x01

Switch Ports Model SW Version SW Image

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

* 1 48 WS-C2960G-48TC-L 12.2(50)SE5 C2960-LANBASEK9-M

Configuration register is 0xF

配置步骤

S12508-1的MAC如下（使用lldp查看）：

Global LLDP local-information:

Chassis ID : 7425-8ade-a600

System name : Internet_S12508A

System capabilities supported : Bridge,Router

System capabilities enabled : Bridge,Router

S12508-2的MAC如下（使用lldp查看）：

Global LLDP local-information:

Chassis ID : 70f9-6df4-8a00

System name : Internet_S12508B

System capabilities supported : Bridge,Router

System capabilities enabled : Bridge,Router

S12508-1配置如下：

stp mode pvst

stp pathcost-standard dot1d-1998

stp vlan 1 4 13 16 19 28 37 64 to 65 72 110 to 112 root primary

stp vlan 120 to 121 131 140 to 141 150 to 151 160 to 161 170 to 171 180 to 181 190 to 191 200 to 201 210 to 211 root primary

stp vlan 220 to 221 311 to 316 330 to 331 400 411 to 422 root primary

stp enable

S12508-2配置如下：

stp mode pvst

stp instance 0 root secondary

stp pathcost-standard dot1d-1998

stp vlan 120 to 121 140 to 141 150 to 151 160 to 161 170 to 171 180 to 181 190 to 191 200 to 201 210 to 211 220 to 221 root secondary

stp vlan 311 to 316 330 to 331 411 to 422 root secondary

stp enable

思科2960配置如下：

spanning-tree mode pvst

查看S12508-1的STP根信息：

dis stp root

VLAN Root Bridge ID ExtPathCost IntPathCost Root Port

1 0.7425-8ade-a600 0 0

4 0.7425-8ade-a600 0 0

28 0.7425-8ade-a600 0 0

37 0.7425-8ade-a600 0 0

64 0.7425-8ade-a600 0 0

65 0.7425-8ade-a600 0 0

72 0.7425-8ade-a600 0 0

110 0.7425-8ade-a600 0 0

111 0.7425-8ade-a600 0 0

112 0.7425-8ade-a600 0 0

120 0.7425-8ade-a600 0 0

121 0.7425-8ade-a600 0 0

131 0.7425-8ade-a600 0 0

140 0.7425-8ade-a600 0 0

141 0.7425-8ade-a600 0 0

150 0.7425-8ade-a600 0 0

151 0.7425-8ade-a600 0 0

160 0.7425-8ade-a600 0 0

161 0.7425-8ade-a600 0 0

170 0.7425-8ade-a600 0 0

171 0.7425-8ade-a600 0 0

180 0.7425-8ade-a600 0 0

181 0.7425-8ade-a600 0 0

190 0.7425-8ade-a600 0 0

191 0.7425-8ade-a600 0 0

200 0.7425-8ade-a600 0 0

201 0.7425-8ade-a600 0 0

210 0.7425-8ade-a600 0 0

211 0.7425-8ade-a600 0 0

220 0.7425-8ade-a600 0 0

221 0.7425-8ade-a600 0 0

311 0.7425-8ade-a600 0 0

312 0.7425-8ade-a600 0 0

313 0.7425-8ade-a600 0 0

314 0.7425-8ade-a600 0 0

315 0.7425-8ade-a600 0 0

316 0.7425-8ade-a600 0 0

330 0.7425-8ade-a600 0 0

331 0.7425-8ade-a600 0 0

400 0.7425-8ade-a600 0 0

411 0.7425-8ade-a600 0 0

412 0.7425-8ade-a600 0 0

413 0.7425-8ade-a600 0 0

414 0.7425-8ade-a600 0 0

415 0.7425-8ade-a600 0 0

416 0.7425-8ade-a600 0 0

417 0.7425-8ade-a600 0 0

418 0.7425-8ade-a600 0 0

419 0.7425-8ade-a600 0 0

420 0.7425-8ade-a600 0 0

421 0.7425-8ade-a600 0 0

422 0.7425-8ade-a600 0 0

555 32768.7425-8ade-a600 0 0

901 32768.7425-8ade-a600 0 0

902 32768.7425-8ade-a600 0 0

998 32768.70f9-6df4-8a00 0 2 Bridge-Aggregation1

999 32768.7425-8ade-a600 0 0

查看S12508-2的STP根信息：

dis stp root

VLAN Root Bridge ID ExtPathCost IntPathCost Root Port

1 0.7425-8ade-a600 0 2 Bridge-Aggregation1

4 0.7425-8ade-a600 0 2 Bridge-Aggregation1

28 0.7425-8ade-a600 0 2 Bridge-Aggregation1

37 0.7425-8ade-a600 0 2 Bridge-Aggregation1

64 0.7425-8ade-a600 0 2 Bridge-Aggregation1

65 0.7425-8ade-a600 0 2 Bridge-Aggregation1

72 0.7425-8ade-a600 0 2 Bridge-Aggregation1

110 0.7425-8ade-a600 0 2 Bridge-Aggregation1

111 0.7425-8ade-a600 0 2 Bridge-Aggregation1

112 0.7425-8ade-a600 0 2 Bridge-Aggregation1

120 0.7425-8ade-a600 0 2 Bridge-Aggregation1

121 0.7425-8ade-a600 0 2 Bridge-Aggregation1

140 0.7425-8ade-a600 0 2 Bridge-Aggregation1

141 0.7425-8ade-a600 0 2 Bridge-Aggregation1

150 0.7425-8ade-a600 0 2 Bridge-Aggregation1

151 0.7425-8ade-a600 0 2 Bridge-Aggregation1

160 0.7425-8ade-a600 0 2 Bridge-Aggregation1

161 0.7425-8ade-a600 0 2 Bridge-Aggregation1

170 0.7425-8ade-a600 0 2 Bridge-Aggregation1

171 0.7425-8ade-a600 0 2 Bridge-Aggregation1

180 0.7425-8ade-a600 0 2 Bridge-Aggregation1

181 0.7425-8ade-a600 0 2 Bridge-Aggregation1

190 0.7425-8ade-a600 0 2 Bridge-Aggregation1

191 0.7425-8ade-a600 0 2 Bridge-Aggregation1

200 0.7425-8ade-a600 0 2 Bridge-Aggregation1

201 0.7425-8ade-a600 0 2 Bridge-Aggregation1

210 0.7425-8ade-a600 0 2 Bridge-Aggregation1

211 0.7425-8ade-a600 0 2 Bridge-Aggregation1

220 0.7425-8ade-a600 0 2 Bridge-Aggregation1

221 0.7425-8ade-a600 0 2 Bridge-Aggregation1

311 0.7425-8ade-a600 0 2 Bridge-Aggregation1

312 0.7425-8ade-a600 0 2 Bridge-Aggregation1

313 0.7425-8ade-a600 0 2 Bridge-Aggregation1

314 0.7425-8ade-a600 0 2 Bridge-Aggregation1

315 0.7425-8ade-a600 0 2 Bridge-Aggregation1

316 0.7425-8ade-a600 0 2 Bridge-Aggregation1

330 0.7425-8ade-a600 0 2 Bridge-Aggregation1

331 0.7425-8ade-a600 0 2 Bridge-Aggregation1

400 0.7425-8ade-a600 0 2 Bridge-Aggregation1

411 0.7425-8ade-a600 0 2 Bridge-Aggregation1

412 0.7425-8ade-a600 0 2 Bridge-Aggregation1

413 0.7425-8ade-a600 0 2 Bridge-Aggregation1

414 0.7425-8ade-a600 0 2 Bridge-Aggregation1

415 0.7425-8ade-a600 0 2 Bridge-Aggregation1

416 0.7425-8ade-a600 0 2 Bridge-Aggregation1

417 0.7425-8ade-a600 0 2 Bridge-Aggregation1

418 0.7425-8ade-a600 0 2 Bridge-Aggregation1

419 0.7425-8ade-a600 0 2 Bridge-Aggregation1

420 0.7425-8ade-a600 0 2 Bridge-Aggregation1

421 0.7425-8ade-a600 0 2 Bridge-Aggregation1

422 0.7425-8ade-a600 0 2 Bridge-Aggregation1

555 32768.70f9-6df4-8a00 0 0

900 32768.70f9-6df4-8a00 0 0

903 32768.70f9-6df4-8a00 0 0

998 32768.70f9-6df4-8a00 0 0

查看思科2960的STP根信息：

sh spanning-tree root

Root Hello Max Fwd

Vlan Root ID Cost Time Age Dly Root Port

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

VLAN0064 64 7425.8ade.a600 4 2 20 15 Gi0/48

VLAN0140 140 7425.8ade.a600 4 2 20 15 Gi0/48

VLAN0400 400 7425.8ade.a600 4 2 20 15 Gi0/48

查看思科2960 STP端口状态信息：

sh spanning-tree detail active

VLAN0064 is executing the ieee compatible Spanning Tree protocol

Bridge Identifier has priority 32768, sysid 64, address 5835.d946.4b00

Configured hello time 2, max age 20, forward delay 15

Current root has priority 64, address 7425.8ade.a600

Root port is 48 (GigabitEthernet0/48), cost of root path is 4

Topology change flag not set, detected flag not set

Number of topology changes 15 last change occurred 2w1d ago

from GigabitEthernet0/47

Times: hold 1, topology change 35, notification 2

hello 2, max age 20, forward delay 15

Timers: hello 0, topology change 0, notification 0, aging 300

Port 46 (GigabitEthernet0/46) of VLAN0064 is designated forwarding

Port path cost 4, Port priority 128, Port Identifier 128.46.

Designated root has priority 64, address 7425.8ade.a600

Designated bridge has priority 32832, address 5835.d946.4b00

Designated port id is 128.46, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 522598, received 0

Port 47 (GigabitEthernet0/47) of VLAN0064 is designated forwarding

Port path cost 19, Port priority 128, Port Identifier 128.47.

Designated root has priority 64, address 7425.8ade.a600

Designated bridge has priority 32832, address 5835.d946.4b00

Designated port id is 128.47, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 520206, received 51

Port 48 (GigabitEthernet0/48) of VLAN0064 is root forwarding

Port path cost 4, Port priority 128, Port Identifier 128.48.

Designated root has priority 64, address 7425.8ade.a600

Designated bridge has priority 64, address 7425.8ade.a600

Designated port id is 128.121, designated path cost 0

Timers: message age 3, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 4, received 520803

VLAN0140 is executing the ieee compatible Spanning Tree protocol

Bridge Identifier has priority 32768, sysid 140, address 5835.d946.4b00

Configured hello time 2, max age 20, forward delay 15

Current root has priority 140, address 7425.8ade.a600

Root port is 48 (GigabitEthernet0/48), cost of root path is 4

Topology change flag not set, detected flag not set

Number of topology changes 303 last change occurred 1d15h ago

from GigabitEthernet0/7

Times: hold 1, topology change 35, notification 2

hello 2, max age 20, forward delay 15

Timers: hello 0, topology change 0, notification 0, aging 300

Port 7 (GigabitEthernet0/7) of VLAN0140 is designated forwarding

Port path cost 100, Port priority 128, Port Identifier 128.7.

Designated root has priority 140, address 7425.8ade.a600

Designated bridge has priority 32908, address 5835.d946.4b00

Designated port id is 128.7, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 57940, received 0

Port 10 (GigabitEthernet0/10) of VLAN0140 is designated forwarding

Port path cost 100, Port priority 128, Port Identifier 128.10.

Designated root has priority 140, address 7425.8ade.a600

Designated bridge has priority 32908, address 5835.d946.4b00

Designated port id is 128.10, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 65869, received 0

Port 34 (GigabitEthernet0/34) of VLAN0140 is designated forwarding

Port path cost 4, Port priority 128, Port Identifier 128.34.

Designated root has priority 140, address 7425.8ade.a600

Designated bridge has priority 32908, address 5835.d946.4b00

Designated port id is 128.34, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 204774, received 0

Port 46 (GigabitEthernet0/46) of VLAN0140 is designated forwarding

Port path cost 4, Port priority 128, Port Identifier 128.46.

Designated root has priority 140, address 7425.8ade.a600

Designated bridge has priority 32908, address 5835.d946.4b00

Designated port id is 128.46, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 544444, received 68

Port 47 (GigabitEthernet0/47) of VLAN0140 is designated forwarding

Port path cost 19, Port priority 128, Port Identifier 128.47.

Designated root has priority 140, address 7425.8ade.a600

Designated bridge has priority 32908, address 5835.d946.4b00

Designated port id is 128.47, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 541893, received 53

Port 48 (GigabitEthernet0/48) of VLAN0140 is root forwarding

Port path cost 4, Port priority 128, Port Identifier 128.48.

Designated root has priority 140, address 7425.8ade.a600

Designated bridge has priority 140, address 7425.8ade.a600

Designated port id is 128.121, designated path cost 0

Timers: message age 3, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 333, received 542515

VLAN0400 is executing the ieee compatible Spanning Tree protocol

Bridge Identifier has priority 32768, sysid 400, address 5835.d946.4b00

Configured hello time 2, max age 20, forward delay 15

Current root has priority 400, address 7425.8ade.a600

Root port is 48 (GigabitEthernet0/48), cost of root path is 4

Topology change flag not set, detected flag not set

Number of topology changes 15 last change occurred 2w1d ago

from GigabitEthernet0/47

Times: hold 1, topology change 35, notification 2

hello 2, max age 20, forward delay 15

Timers: hello 0, topology change 0, notification 0, aging 300

Port 46 (GigabitEthernet0/46) of VLAN0400 is designated forwarding

Port path cost 4, Port priority 128, Port Identifier 128.46.

Designated root has priority 400, address 7425.8ade.a600

Designated bridge has priority 33168, address 5835.d946.4b00

Designated port id is 128.46, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 653252, received 0

Port 47 (GigabitEthernet0/47) of VLAN0400 is designated forwarding

Port path cost 19, Port priority 128, Port Identifier 128.47.

Designated root has priority 400, address 7425.8ade.a600

Designated bridge has priority 33168, address 5835.d946.4b00

Designated port id is 128.47, designated path cost 4

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 650269, received 45

Port 48 (GigabitEthernet0/48) of VLAN0400 is root forwarding

Port path cost 4, Port priority 128, Port Identifier 128.48.

Designated root has priority 400, address 7425.8ade.a600

Designated bridge has priority 400, address 7425.8ade.a600

Designated port id is 128.121, designated path cost 0

Timers: message age 1, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 4, received 651016

至此，S12508与华为思科2960 PVST对接的典型组网配置案例已完成！

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