From: Ronnie Angello (ronnie.angello@gmail.com)
Date: Thu May 31 2007 - 22:59:47 ART
TFTP, Domain Name System (DNS), Time, NetBIOS, ND, BOOTP or DHCP
On 5/31/07, Ronnie Angello <ronnie.angello@gmail.com> wrote:
>
> The ip helper-address command by default only forwards a handful of udp
> protocols, bootp/dhcp being one of them. You can control this with the ip
> forward-protocol udp command. Use the no form of the command to stop the
> forwarding of certain protocols.
>
> On 5/31/07, sebastan bach <sebastan.bach@gmail.com> wrote:
> >
> > hi all
> >
> > here;s my scenario
> >
> > SW1 has a host on vlan 10 and SVI vlan 10 with ip add 10.1.1.1/24.
> >
> > the host is set to choose ip address automatically from dhcp server.
> >
> > i have ios router as dhcp server on vlan 20
> >
> > SVI vlan 20 has ip add 20.1.1.1 and dhcp server as 20.1.1.2
> >
> > on the SVI of vlan 10 i have set the helper-address to 20.1.1.2 of the
> > dhcp
> > server.
> >
> > my hosts are getting the ip address from the server .
> >
> > my doubt is since in the switch we can only specify the helpder-address
> > command .
> >
> > it means all the broadcast on the vlan 10 will be converted and send as
> > a
> > unicast packet to the dhcp server also .
> >
> > how can i control it say only the dhcp broadcast packets should be
> > converted
> > to unicast and send to the dhcp server.
> > no other other broadcast should be unicast and send to the dhcp server.
> > is this possible
> >
> > has anyone tried this before.
> >
> > waiting for some reply.
> >
> > regards
> >
> > sebastan
> >
> > _______________________________________________________________________
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> >
>
>
>
> --
> Ronald Angello
> CCIE #17846
-- Ronald Angello CCIE #17846
This archive was generated by hypermail 2.1.4 : Fri Jun 01 2007 - 06:55:23 ART