[c-nsp] IP routing on lan subinterfaces..... cisco 3550

A. Rahman Isnaini R Sutan risnaini at indo.net.id
Thu Feb 2 23:48:53 EST 2006


Or,

Might be this help much enabling layer 3 on 3550 fastethernet Port.

Switch(config-if)#no switchport

^ Salam
^ A Rahman Isnaini R Sutan



----- Original Message ----- 
From: "A. Rahman Isnaini R Sutan" <risnaini at indo.net.id>
To: "deepak goel" <deepak_itbhu at hotmail.com>; <cisco-nsp at puck.nether.net>
Sent: Friday, February 03, 2006 11:45 AM
Subject: Re: [c-nsp] IP routing on lan subinterfaces..... cisco 3550


> Hi,
>
>
> The error message I believe should be : "please create this on router 
> only" :)
> For 3550 the Ip address can only be set on int vlan x
> Nope sure if cisco has the latest version.
>
> ^ Salam
> ^ A Rahman Isnaini R Sutan
>
>
>
> ----- Original Message ----- 
> From: "deepak goel" <deepak_itbhu at hotmail.com>
> To: <cisco-nsp at puck.nether.net>
> Sent: Friday, February 03, 2006 11:33 AM
> Subject: [c-nsp] IP routing on lan subinterfaces..... cisco 3550
>
>
>>
>> hi everybody,
>>
>> I am doing this on cisco 3550, the image file is
>> "c3550-i5k2l2q3-mz.121-22.EA6.bin"
>>
>> My base interface looks like this....
>> !
>> interface FastEthernet0/8
>> no switchport
>> no ip address
>> !
>>
>> Now I want to configure ip address on a subinterface.I have done these
>> steps....
>>
>> Cisco3550# configure terminal
>> Cisco3550(config)# interface fastEthernet0/8.1
>> Cisco3550(config-subif)# ip address <ip address> <netmask>
>>
>> Configuring IP routing on a LAN subinterface is only allowed if that
>> subinterface is already configured as part of an IEEE 802.10, IEEE
>> 802.1Q,ISL vLAN.
>>
>> cisco3550#
>>
>> I dont know how to make subinterface a part of ISL vlan (as mentioned in
>> error message). There is one command  "encapsulation isl vlan-id" but i
>> think that is only present on cisco routers but not on switch.
>>
>> Can anybody help me in this regard
>>
>> Thanks
>> Deepak
>>
>>
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>>
> 



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