怎么发现网络拓扑

[Bamboo Hui]

刚到公司，公司的网络没有拓扑结构图，交换机的线接的密密麻麻的，看不清线路是怎么接到交换机上的。

求指教，有没有什么办法可以作出公司的整个网络拓扑？因为用的都TP-LINK或D-Link二层交换机，基本都没有console口，所以可能需要用软件的办法为解决，

谢谢！

[Armnotstrong]

找个周末一根一根拔，然后贴标签，没啥办法

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[none_nobody]

理线吧，同时记录。

没有CDP还真不好办。

On Friday, June 21, 2013 4:02:49 PM UTC+8, Bamboo wrote:

刚到公司，公司的网络没有拓扑结构图，交换机的线接的密密麻麻的，看不清线路是怎么接到交换机上的。

[juju]

ͬ�⣬������Ժ�ͷ����ˣ�����㾫��ֵ�õ�

�� 2013/6/21 16:56, none_nobody �:

���߰ɣ�ͬʱ��¼��

û��CDP���治�ð졣

On Friday, June 21, 2013 4:02:49 PM UTC+8, Bamboo wrote:

�յ���˾����˾������û�����˽ṹͼ����������߽ӵ���������ģ���������·����ô�ӵ������� �ϵġ�

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[Shell Xu]

要分辨还有个办法，某个设备无流量的时候，给他加压。从灯上就能看出传输开始。释放压力，灯不闪。反复几次，大概就能确定一根线了。

不过这和拔线没什么区别，反而更麻烦。

在 2013年6月21日下午4:02，Bamboo Hui <bamboo...@gmail.com>写道：

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[Chaos Eternal]

楼上这个办法好。
可以考虑在交换机的面板前面放个摄像头，
然后，
轮流ping -f 你能找到的ip, 来个三轮，
基本上你就能从面板的灯闪的情况知道哪个ip走哪个口了。

因为你交换机有级联，所以可能会多个ip走同一个口的情况。
但是这个办法可以继续用嘛。

如果你的摄像头摆的很稳，然后时钟对的很精确，你甚至可以写个程序自动做这个工作了：

把图像划区，然后找闪烁即可。

做这个事情之前，你最好保证所有设备都在线，但是都没有流量。

2013/6/21 Shell Xu <shell...@gmail.com>:

[Bamboo Hui]

谢谢大家

["宋为@凉拌茶叶"]

zenmap如何？

[Armnotstrong]

zenmap只能发现层三的拓扑，他这个是层二的

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[Sherlock]

真高级，摄像头也用上了

2013/6/22 Armnotstrong <zhaox...@gmail.com>

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[none_nobody]

你没说到点子上，他不仅摄像头用上，还要有图像分析，用来进行闪烁识别，还要对闪烁规律做数据挖掘，模式识别，然后才能形成网络拓扑。

有写这些代码的功夫，早把线理好了。原来的排线应该也不是乱排的，只是没有流传下图来而已，理应该很快。

On Sunday, June 23, 2013 2:45:42 PM UTC+8, InitX wrote:

真高级，摄像头也用上了

[hzh nan]

见过一次网线测量器，好像可以用来理线。

[Chaos Eternal]

拔网线的办法的复杂度是O(n), 用网线测量器的复杂度就是O(n^2)了。


2013/6/24 hzh nan <nhon...@gmail.com>:

[juju]

������Ѱ���� �᷽���

�� 2013/6/24 10:49, Chaos Eternal �:
> �����ߵİ취�ĸ��Ӷ���O(n), �����߲������ĸ��ӶȾ���O(n^2)�ˡ�
>
>
> 2013/6/24 hzh nan <nhon...@gmail.com>:
>> ���һ�����߲���������������������ߡ�
>>
>>
>> �� 2013��6��23������10:28��none_nobody <lyx...@gmail.com>���
>>
>>> ��û˵�������ϣ��������ͷ���ϣ���Ҫ��ͼ�����������������˸ʶ�𣬻�Ҫ����˸����������ھ�ģʽʶ��Ȼ������γ��������ˡ�
>>>
>>> ��д��Щ����Ĺ������������ˡ�ԭ��������Ӧ��Ҳ�������ŵģ�ֻ��û��������ͼ�����ѣ���Ӧ�úܿ졣

>>>
>>> On Sunday, June 23, 2013 2:45:42 PM UTC+8, InitX wrote:

>>>> ��߼�������ͷҲ������

>>>>
>>>>
>>>>
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>>>
>>>
>>
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[Liang Guo]

买个好一点的交换机，能看到端口mac映射的
：）

2013/6/24 juju <juju...@jujusoft.net>:
> 可以用寻线仪 会方便点

>
> 于 2013/6/24 10:49, Chaos Eternal 写道:
>> 拔网线的办法的复杂度是O(n), 用网线测量器的复杂度就是O(n^2)了。
>>
>>
>> 2013/6/24 hzh nan <nhon...@gmail.com>:
>>> 见过一次网线测量器，好像可以用来理线。
>>>
>>>
>>> 在 2013年6月23日下午10:28，none_nobody <lyx...@gmail.com>写道：
>>>
>>>> 你没说到点子上，他不仅摄像头用上，还要有图像分析，用来进行闪烁识别，还要对闪烁规律做数据挖掘，模式识别，然后才能形成网络拓扑。
>>>>
>>>> 有写这些代码的功夫，早把线理好了。原来的排线应该也不是乱排的，只是没有流传下图来而已，理应该很快。
>>>>

>>>> On Sunday, June 23, 2013 2:45:42 PM UTC+8, InitX wrote:

>>>>> 真高级，摄像头也用上了

>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>
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