配置DTP
拓扑一 结果:NO
默认auto(被动)模式
Switch>show interfaces fastEthernet / switchPort
Name: Fa0/
Switchport: Enabled
Administrative Mode: dynamic auto
Operational Mode: static access
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: native
Negotiation of Trunking: On
Access Mode VLAN: (default)
Trunking Native Mode VLAN: (default)
Voice VLAN: none
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: -
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Switch>show interfaces trunk
Switch>
拓扑二 结果:YES
修改2端主动模式(desirable)
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface fastEthernet / Switch(config-if)#switchport mode dynamic desirable Switch(config-if)#
%LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up %LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to down %LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up
Switch#show interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa0/1 desirable n-802.1q trunking 1
Port Vlans allowed on trunk
Fa0/1 1-1005
Port Vlans allowed and active in management domain
Fa0/1 1
Port Vlans in spanning tree forwarding state and not pruned
Fa0/1 1
拓扑三 结果:YES
修改一端主动模式(desirable)
Switch>en
Switch#conf t Switch(config)#interface fastEthernet / Switch(config-if)#switchport mode dynamic desirable %LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up %LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to down %LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up
Switch#show interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa0/1 desirable n-802.1q trunking 1
Port Vlans allowed on trunk
Fa0/1 1-1005
Port Vlans allowed and active in management domain
Fa0/1 1
Port Vlans in spanning tree forwarding state and not pruned
Fa0/1 1
拓扑四 结果:YES
修改一端 trunk
Switch>en
Switch#conf
Configuring from terminal, memory, or network [terminal]? conf t
?Must be "terminal", "memory" or "network"
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface fastEthernet / Switch(config-if)#switchport mode trunk Switch(config-if)#
%LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to down %LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up Switch#show interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa0/ on .1q trunking Port Vlans allowed on trunk
Fa0/ - Port Vlans allowed and active in management domain
Fa0/ Port Vlans in spanning tree forwarding state and not pruned
Fa0/
默认auto,修改desirable
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface fastEthernet / Switch(config-if)#switchport mode dynamic desirable Switch(config-if)#
%LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up Switch(config-if)#end
Switch#
%SYS--CONFIG_I: Configured from console by console Switch#show interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa0/ desirable n-.1q trunking Port Vlans allowed on trunk
Fa0/ - Port Vlans allowed and active in management domain
Fa0/ Port Vlans in spanning tree forwarding state and not
拓扑五 结果:NO
修改一端 access
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface fastEthernet / Switch(config-if)#switchport mode access Switch(config-if)#end %SYS--CONFIG_I: Configured from console by console
s
% Ambiguous command: "s" Switch#show interfaces trunk
默认auto,修改desirable
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface fastEthernet / Switch(config-if)#switchport mode dynamic desirable Switch(config-if)#
%LINEPROTO--UPDOWN: Line protocol on Interface FastEthernet0/, changed state to up Switch(config-if)#end
Switch#
%SYS--CONFIG_I: Configured from console by console Switch#show interfaces trunk
拓扑六 结果:YES
配置DTP的更多相关文章
- DTP模型之二:(XA协议之二)JTA集成JOTM或Atomikos配置分布式事务(Tomcat应用服务器)
jotm只能用的xapool数据源,而且很少更新. 一.以下介绍Spring中直接集成JOTM提供JTA事务管理.将JOTM集成到Tomcat中. (经过测试JOTM在批量持久化时有BUG需要修改源码 ...
- Python黑帽编程 3.5 DTP攻击
Python黑帽编程 3.5 DTP攻击 在上一节,<Python黑帽编程 3.4 跨越VLAN>中,我们讨论了一般的VLAN中实施攻击的方法,这一节属于扩展内容,简单演示下Cisco特有 ...
- Vsftp精解之安装配置及原理(一)
简介 Vsftp(Very Secure FTP)是一个基于GPL发布的类Unix系统上使用的FTP服务器软件,是一款小巧而又易用FTP服务器程序,Vsftpd 在安全性.高性能及稳定性三个方面有很好 ...
- Hibernate配置文档详解
Hibernate配置文档有框架总部署文档hibernate.cfg.xml 和映射类的配置文档 ***.hbm.xml hibernate.cfg.xml(文件位置直接放在src源文件夹即可) (在 ...
- Hadoop简单安装配置
Hadoop开始设计以Linux平台为运行目标,所以这里推荐在Linux发行版比如Ubuntu进行安装,目前已经有Hadoop for Windows出来,大家自行搜下文章. Hadoop运行模式分为 ...
- 配置Server Side TAF
实验环境:Oracle 11.2.0.4 RAC 参考MOS文档: How To Configure Server Side Transparent Application Failover (文档 ...
- Cisco 的基本配置实例之六----常排错命令--关闭提示
TEST#terminal monitor # 排除网络故障以前,请打开这一命令以便实时的接收到交换机的提示信息. TEST# TEST#sh run #显示所有的配置清单,可将这些配置保存成文本作为 ...
- DTP协议攻击
DTP协议 动态中继协议DTP(Dynamic Trunking Protocol)是一种Cisco私有协议.DTP用于两台交换机的直连二层端口探测对端的配置,自动协商出二层端口的链路类型和以太网封装 ...
- oracle11g在没DNS情况下failover的配置方法
1.Oracle 11g引入scan ip ,可在没有DNS的情况下,客户端连接RAC配置failover时,很多情况还是使用oracle10g方式.即在客户端tnsname.ora中配置failov ...
随机推荐
- C# List<string> to string
List<string> names = new List<string>() { "John", "Anna", "Moni ...
- Source Insight 4.0安装使用教程
一.说明 Source Insight是什么:Source Insight是一款代码编缉.浏览.分析工具. Source Insight与文本编缉器有什么区别:Notepad++等文本编缉器也可以编缉 ...
- AS3.0 给addEventListener里的方法加上参数传递
方法一:for(var i:int=1;i<=4;i++){this["btn"+i].addEventListener(MouseEvent.CLICK,EventUp(b ...
- Tsinghua 2018 DSA PA2简要题解
反正没时间写,先把简要题解(嘴巴A题)都给他写了记录一下. upd:任务倒是完成了,我也自闭了. CST2018 2-1 Meteorites: 乘法版的石子合并,堆 + 高精度. 写起来有点烦貌似. ...
- learning makefile foreach
- spring(IOC)动态代理
姓名:黄于霞 班级:软件151 1.引入Spring IOC的核心jar包,创建IOC的配置文件beans.xml,内容如下: 1 <?xml version="1.0&qu ...
- 关于javascript中arguments的一个很好的例子
金克斯的迫击炮! 实现一个摧毁(destroyer)函数,第一个参数是待摧毁的数组,其余的参数是待摧毁的值 函数中的有隐式的不确定个数的参数,而我们在函数中将会用到它,很显然,这需要我们在 argum ...
- Bouml快速使用指南
一.Bouml简介 Android 系统中有大量Java.C++代码,继承以及依赖关系非常复杂,Bouml可以用c++.Java.Idl.Php和Python建模及生成代码,反之也可通过uml工具更好 ...
- 使用lamdba函数对list排序
lamdba好处:精简代码,省去了定义函数.
- 将springboot打包成的jar文件做成windows服务,解决java程序自启动问题
https://blog.csdn.net/weixin_40411331/article/details/80193376 https://blog.csdn.net/qq_33188180/art ...