STP的簡單配置:安全
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實驗要求:oop
一、S1爲VLAN 十一、13的根,VLAN十二、14的備份根;ui
二、S2爲VLAN 十二、14的根,VLAN十一、13的備份根;spa
三、開啓stp安全保護功能:接口
(1)S3鏈接用戶終端接口配置爲邊緣端口,不轉發BPDUit
(2)開啓根保護io
(3)開啓防TC-BPDU***保護功能class
(4)開啓環路保護功能配置
特別注意:有可能須要在接口開啓 stp enable 功能,也多是在全局,模擬器全局不支持
S1配置:
[S1]vlan 11
[S1-vlan11]vlan 12
[S1-vlan12]vlan 13
[S1-vlan13]vlan 14
[S1-vlan14]int G1/0/1
[S1-Ethernet1/0/1]port link-type trunk
[S1-Ethernet1/0/1]undo port trunk permit vlan 1
[S1-Ethernet1/0/1]port trunk permit vlan 11 to 14
[S1-Ethernet1/0/1]int g1/0/2
[S1-Ethernet1/0/2]port link-type trunk
[S1-Ethernet1/0/2]undo port trunk permit vlan 1
[S1-Ethernet1/0/2]port trunk permit vlan 11 to 14
[S1]stp region-configuration
[S1-mst-region]region-name H3C
[S1-mst-region]instance 1 vlan 11 13
[S1-mst-region]instance 2 vlan 12 14
[S1-mst-region]revision-level 0
[S1-mst-region]active region-configuration 用來激活MSTP域的配置
[S1-mst-region]quit
[S1]stp instance 1 root primary
[S1]stp instance 2 root secondary
R2配置:
[S2]VLAN 11
[S2-vlan11]VLAN 12
[S2-vlan12]VLAN 13
[S2-vlan13]VLAN 14
[S2-vlan14]int g1/0/1
[S2-Ethernet1/0/1]port link-type trunk
[S2-Ethernet1/0/1]undo port trunk permit vlan 1
[S2-Ethernet1/0/1]port trunk permit vlan 11 to 14
[S2-Ethernet1/0/1]int g1/0/2
[S2-Ethernet1/0/2]port link-type trunk
[S2-Ethernet1/0/2]undo port trunk permit vlan 1
[S2-Ethernet1/0/2]port trunk permit vlan 11 to 14
[S2]stp region-configuration
[S2-mst-region]region-name H3C
[S2-mst-region]instance 1 vlan 11 13
[S2-mst-region]instance 2 vlan 12 14
[S2-mst-region]revision-level 0
[S2-mst-region]active region-configuration
[S2]stp instance 1 root secondary
[S2]stp instance 2 root primary
R3配置:
[S3]vlan 11
[S3-vlan11]vlan 12
[S3-vlan12]vlan 13
[S3-vlan13]vlan 14
[S3-vlan14]int g1/0/3
[S3-Ethernet1/0/1]port link-type access
[S3-Ethernet1/0/1]port access vlan 11
[S3-Ethernet1/0/1]int g1/0/4
[S3-Ethernet1/0/2]port link-type access
[S3-Ethernet1/0/2]port access vlan 12
[S3-Ethernet1/0/2]int g1/0/5
[S3-Ethernet1/0/3]port link-type access
[S3-Ethernet1/0/3]port access vlan 13
[S3-Ethernet1/0/3]int g1/0/6
[S3-Ethernet1/0/4]port link-type access
[S3-Ethernet1/0/4]port access vlan 14
[S3-Ethernet1/0/4]int g1/0/1
[S3-Ethernet1/0/23]port link-type trunk
[S3-Ethernet1/0/23]undo port trunk permit vlan 1
[S3-Ethernet1/0/23]port trunk permit vlan 11 12 13 14
[S3-Ethernet1/0/23]int g1/0/2
[S3-Ethernet1/0/24]port link-type trunk
[S3-Ethernet1/0/23]undo port trunk permit vlan 1
[S3-Ethernet1/0/23] port trunk permit vlan 11 12 13 14
[S3]stp region-configuration
[S3-mst-region]region-name H3C
[S3-mst-region]instance 1 vlan 11 13
[S3-mst-region]instance 2 vlan 12 14
[S3-mst-region]revision-level 0
[S3-mst-region]active region-configuration
配置接口爲邊緣端口,不發送BPDU:
[S3]int g1/0/3
[S3-GigabitEthernet1/0/3]stp edged-port
[S3-GigabitEthernet1/0/3]int g1/0/4
[S3-GigabitEthernet1/0/4]stp edged-port
[S3-GigabitEthernet1/0/4]int g1/0/5
[S3-GigabitEthernet1/0/5]stp edged-port
[S3-GigabitEthernet1/0/5]int g1/0/6
[S3-GigabitEthernet1/0/6]stp edged-port
[S3-GigabitEthernet1/0/6]quit
注意:通常配置的都是access端口
開啓根保護:
在全部交換機的根端口,備份端口,制定端口上配置
[S1]int g1/0/1
[S1-GigabitEthernet1/0/1]stp root-protection
[S1-GigabitEthernet1/0/1]int g1/0/2
[S1-GigabitEthernet1/0/2]stp root-protection
開啓防TC-BPDU***保護功能:
[S1]stp tc-protection
[S1]stp tc-protection threshold 5
注意:當收到TC-BPDU後當即進行地址表項刷新操做的次數最多爲5.默認爲6.(全部交換機配置)
開啓環路保護功能:
[S3]int g1/0/1
[S3-GigabitEthernet1/0/1]stp loop-protection
[S3-GigabitEthernet1/0/1]int g1/0/2
[S3-GigabitEthernet1/0/2]stp loop-protection
注意:只在非根交換機的全部處於環路的接口下操做