Re: dhcp snooping

you mean to say to use no ip dhcp snooping information option

On Tue, Sep 17, 2013 at 12:50 AM, Tony Singh <mothafungla_at_gmail.com> wrote:

> edit - should be dhcp snooping *untrusted
>
> --
> BR
>
> Sent from my iPhone on 3
>
> On 16 Sep 2013, at 22:48, Tony Singh <mothafungla_at_gmail.com> wrote:
>
> >
> > main point is wherever you're dhcp server is connected to trust that
> port as if you don't then the default behaviour would be to drop any dhcp
> client discover messages, the server would then be able to create the
> bindings into dhcp snooping database for mac, ip, port and vlan once the
> discovers are sent upstream to the server.
> >
> > anything other then the dhcp server or further upstream switches that
> connect to the dhcp server should be dhcp snooping trusted the caveat here
> is whether you leave the switch to insert option 82 into the client
> discover messages or not where the better solution would be to trust dhcp
> snooping information option.
> >
> > Good luck
> >
> > --
> > BR
> >
> > Tony
> >
> > Sent from my iPhone on 3
> >
> > On 16 Sep 2013, at 22:24, Imran Ali <immrccie_at_gmail.com> wrote:
> >
> >> hi all ,
> >> i am enabling dhcp snooping , but i have seen some threads in
> support
> >> forum , saying they face issues on thier 3560 when configured with
> voice
> >> vlan,
> >>
> >> we have voice vlan , data vlan , and one vlan for access point .
> >>
> >> i have to trust the trunk links going to the core switches and all
> >> others as untrusted .
> >>
> >>
> >> 1) Have any one in production had face issues with dhcp snooping
> with
> >> voice/data vlans ?
> >>
> >> 2) Access points connected ports are access ports i think they
> must be
> >> left as untrusted right ?
> >>
> >>
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Received on Tue Sep 17 2013 - 08:17:23 ART