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289 posts

Ultimate Geek
+1 received by user: 8


Topic # 102956 26-May-2012 18:30 Send private message

Hey Guys,

I was doing a CCNA lab with intervlan Routing. The network topology is

x3 switches (1 vtp server , 2 clients)
x1 Router
x3 End device Computers
x1 Tftp server

Basically i setup everything correctly , the computers on the seperate vlans can ping each other.

But here's my question, should the switch be able to ping the computer's?
I was not able to ping a computer from my switch.

If it helps , I can upload the packet tracer file for it.

Cheers




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83 posts

Master Geek
+1 received by user: 3


  Reply # 630818 26-May-2012 19:03 Send private message

hey, yeah upload the pkt file. Sounds like fun.



289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 630922 27-May-2012 10:31 Send private message

Uploaded to Mediafire.

Have a go :)


http://www.mediafire.com/?u4xw8ds6nb1166d




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83 posts

Master Geek
+1 received by user: 3


  Reply # 630927 27-May-2012 10:47 Send private message

What's your enable secret passwd?


2869 posts

Uber Geek
+1 received by user: 131

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  Reply # 630929 27-May-2012 10:55 Send private message

THe switch's management interface is for all intentions the same as a computer ie you should choose a VLAN that it should reside on and give it an IP and the default gateway of that VLAN.







289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 630930 27-May-2012 10:56 Send private message

user verification password is : cisco
enable pass is : class




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83 posts

Master Geek
+1 received by user: 3


  Reply # 630931 27-May-2012 10:57 Send private message

Yeah I guessed the first one

83 posts

Master Geek
+1 received by user: 3


  Reply # 630950 27-May-2012 11:31 Send private message

Yeah, your layer 2 devices are not configured to be on any particular vlan. You can ping between pc's coz you have your vlan trunking to your layer 3 device configured correctly. 



289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 630951 27-May-2012 11:40 Send private message

so what should i configure to make the switch be able to ping .

btw thanks for you help, appreciate it.




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83 posts

Master Geek
+1 received by user: 3


  Reply # 630952 27-May-2012 11:47 Send private message

vtp mode server
vlan 10
int vlan 10
ip add 192.168.10.2 255.255.255.0

repeat for your other vlans





289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 630969 27-May-2012 12:22 Send private message

Thanks for that, will try when i get home from work :)




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83 posts

Master Geek
+1 received by user: 3


  Reply # 630972 27-May-2012 12:26 Send private message

No problem. Glad to help.



289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 630982 27-May-2012 12:46 Send private message

wait , isnt thats what the router is for ?

sorry I just like understanding the concept behind it :)




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83 posts

Master Geek
+1 received by user: 3


  Reply # 630987 27-May-2012 13:01 Send private message

yeah in the absence of a multi-layer switch the router is used for inter-vlan routing, ie router on a stick. The whole point of your lab. If your distribution layer switch is layer 3 capable you don't need a separate 
layer 3 device. But in order to ping from a layer 2 only switch you have to assign ip addresses to the respective vlans.





289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 630992 27-May-2012 13:08 Send private message

Oh right !! thanks man i get it now :)

Cheers




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289 posts

Ultimate Geek
+1 received by user: 8


  Reply # 631071 27-May-2012 17:35 Send private message

I actually ended up finding what was wrong.

I didnt add this command on the router.

int fa0/1.99
encapsulation dot1q 99 native
ip add 192.168.99.1 255.255.255.0


now everything works :)




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