Greetings,
Question 1) Yes - using the ip helper address command on the router
interfaces for the VLANs that don't have a DHCP server.
Question 2) Technically, yes you can. But only by bridging on the router
interfaces for the VLANs. However, it does fall under the first rule of
networking,
Reply-To: Patrick Ramsey
To: [EMAIL PROTECTED]
Subject: Re: DHCP Requests across VLANs [7:8689]
Date: Fri, 15 Jun 2001 14:38:28 -0400
Start a session with the router and insert a 'ip helper' address.
Be carefull though...by default, for whatever reason, cisco thinks netbios
broadcast and name
Hi all,
In a Cat6509, we have created three VLANs. In one of the three VLANs, an NT
Server is configured as a DHCP Server. My doubt no.1 is. Can a client in
another VLAN get its DHCP request served by this DHCP Server. If yes, how
this can be done. If not, is there any other way we can have
of the DHCP server. I hope this is clear.
chris.b
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 15 June 2001 10:41
To: [EMAIL PROTECTED]
Subject: DHCP Requests across VLANs [7:8689]
Hi all,
In a Cat6509, we have created three VLANs. In one of the three
If you served all your addresses from the same scope, you would have serious
issues routing issues. Best practises dictate that you assign a scope per
VLAN.
Pete
*** REPLY SEPARATOR ***
On 6/15/2001 at 5:40 AM [EMAIL PROTECTED] wrote:
Hi all,
In a Cat6509, we have created
Use the ip helper-address command and you need a different scope for each
Vlan.
- Original Message -
From: [EMAIL PROTECTED]
To:
Sent: Friday, June 15, 2001 5:40 AM
Subject: DHCP Requests across VLANs [7:8689]
Hi all,
In a Cat6509, we have created three VLANs. In one of the three
There is an easy Win NT solution. You can have a one of the servers or
workstations act as a DHCP relay for the other subnets. They will listen dor
DHCP broadcats and forward them to the proper DHCP server.
[EMAIL PROTECTED] wrote in
message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Hi all,
Start a session with the router and insert a 'ip helper' address.
Be carefull though...by default, for whatever reason, cisco thinks netbios
broadcast and name resolution along with dns and a few other broadcasts
should be forwarded as well. You'll need to manually shut these off via 'no
ip
And no... You need to define 3 scopes one for each vlan/network. The
router then unicasts the original broadcast and replaces the network field
which originates as 0 with the proper subnet the station is on.
The dhcp server then sees a request from the workstation and answers
appropriately
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