23-Root Guard????????? //IOU??????
Posted
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了23-Root Guard????????? //IOU??????相关的知识，希望对你有一定的参考价值。
?????????hack size RoCE ima range net eth shadow conf
?????????????????????
?????????????????????
1??????????????????
IOU1(config)#int range e1/0 - 1
IOU1(config-if-range)#no shutdown
IOU1(config-if-range)#switchport trunk encapsulation dot1q
IOU1(config-if-range)#switchport mode trunk
IOU2(config)#int range e1/0 - 1
IOU2(config-if-range)#no shutdown
IOU2(config-if-range)#switchport trunk encapsulation dot1q
IOU2(config-if-range)#switchport mode trunk
IOU3(config)#int range e1/0 - 1
IOU3(config-if-range)#no shutdown
IOU3(config-if-range)#switchport trunk encapsulation dot1q
IOU3(config-if-range)#switchport mode trunk
IOU3(config)#int e1/2
IOU3(config-if)#no shutdown
IOU3(config-if)#switchport mode access
2??????????????????
IOU3(config)#int e1/2
IOU3(config-if)#no shutdown
IOU3(config-if)#spanning-tree guard root
IOU3(config-if)#
*Apr 26 06:19:34.814: %SPANTREE-2-ROOTGUARD_CONFIG_CHANGE: Root guard enabled on port Ethernet1/2
IOU3#show spanning-tree vlan 1
Et0/0 Desg FWD 100 128.1 Shr
Et0/1 Desg FWD 100 128.2 Shr
Et0/2 Desg FWD 100 128.3 Shr
Et0/3 Desg FWD 100 128.4 Shr
Et1/0 Altn BLK 100 128.5 Shr
Et1/1 Root FWD 100 128.6 Shr
Et1/2 Desg FWD 100 128.7 Shr
?????????Hacker?????????
Hacker(config)#spanning-tree vlan 1 priority 0
IOU3????????????
*Apr 26 06:23:14.796: %SPANTREE-2-ROOTGUARD_BLOCK: Root guard blocking port Ethernet1/2 on VLAN0001.
???????????????
IOU3#show spanning-tree vlan 1
VLAN0001
Interface Role Sts Cost Prio.Nbr Type
Et0/0 Desg FWD 100 128.1 Shr
Et0/1 Desg FWD 100 128.2 Shr
Et0/2 Desg FWD 100 128.3 Shr
Et0/3 Desg FWD 100 128.4 Shr
Et1/0 Altn BLK 100 128.5 Shr
Et1/1 Root FWD 100 128.6 Shr
Et1/2 Desg BKN100 128.7 Shr ROOT_Inc
以上是关于23-Root Guard????????? //IOU??????的主要内容，如果未能解决你的问题，请参考以下文章
text Guard bug TypeError：guard不是一个函数