Re: Regarding Helping address

If you can, please send configs...remove all credentials...

On Mon, May 17, 2010 at 12:29 PM, Faisal Ilyas <faisal.learning_at_gmail.com>wrote:

> kindly guyz ... please help me out ...
>
>
>
>
> On Mon, May 17, 2010 at 12:04 AM, Faisal Ilyas <faisal.learning_at_gmail.com
> >wrote:
>
> > Acutally helper address is already configured on distribution switches
> and
> > all the vlan clients are happily taking IP address from DHCP, i just want
> to
> > know why that device is not taking IP from DHCP server even i span the
> vlan
> > 252 to the core ...
> >
> >
> >
> >
> >
> > On Sun, May 16, 2010 at 9:38 PM, Shahid Ansari <shahid1357_at_gmail.com
> >wrote:
> >
> >> Walekumus salaam ,
> >>
> >> Faisal , Vlans are broadcast domains in switched network regardless of
> >> their physical location (Core switch or access switch) and If I
> >> understood your question correctly ,your DHCP server is in VLAN 1 and
> all
> >> other clients are in x,y,z vlans.
> >>
> >> 1)Do "no ip directed-broadcast" on Vlan 1
> >> 2)Configure ip helper address on client side vlans x,y,z
> >>
> >> Thanks
> >> Shahid Ansari
> >>
> >> On Sun, May 16, 2010 at 2:08 PM, Faisal Ilyas <
> faisal.learning_at_gmail.com
> >> > wrote:
> >>
> >>> Salam,
> >>>
> >>> I have a strange problem or might be i am unable to understand
> >>> something...
> >>>
> >>> I have 1 distribution and 1 core switch, all the vlans are terminating
> to
> >>> the distribution switch inshort distribution is their default gateway
> >>> same
> >>> as for voice VLAN 252 its gateway is distribtution ... well the vlan 1
> >>> was
> >>> old so thats why it is spanning to the core and core is its default
> >>> gateway...
> >>>
> >>> Well i have to connect one device in the voice vlan but because of
> >>> running
> >>> short of ethernetports i plug this device into the core and I span the
> >>> voice
> >>> vlan to the core by allowing vlan 252 on the trunk of distribution and
> >>> create vlan 252 on core and allow this in the core L2 trunk and put
> that
> >>> port in the vlan 252.
> >>>
> >>> As default gateway of vlan 252 is in distribution and DHCP server is in
> >>> vlan
> >>> 1 and helper address is configured on distribution. But i dont know why
> >>> that
> >>> device is not getting IP from DHCP server when i put the IP address
> >>> manually
> >>> it pings everything fine but its not getting IP address from DHCP ... i
> >>> know
> >>> that its not a good thing what i did but i just wanna know the reason
> why
> >>> this is happening ???
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> Regards,
> >>> M. Faisal.
> >>>
> >>>
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> >>>
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> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
> >
> >
> > --
> > Regards,
> > M. Faisal.
> >
>
>
>
> --
> Regards,
> M. Faisal.
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
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Received on Mon May 17 2010 - 12:48:19 ART