Bug#320492: Differences between dhcp3-relay and dhcp-helper.

2005-07-30 Thread Simon Kelley

A brief summary of the differences between dhcp3-relay and dhcp-helper.

1) Size

/usr/sbin/dhcrelay3 size is 157240 octets
/usr/sbin/dhcp-helper is  9924 octets

2) Kernel requirements

dhcrelay3 needs the Linux Packet Filter Facility available in the 
kernel, dhcp-helper doesn't. This allows a smaller kernel.


3) Configuration

dhcp-helper can be configured to forward DHCP requests to whole-network 
broadcast, rather than having to know the IP address of the DHCP server. 
dhcrelay3 can't. dhcp-helper will work with more than one relay in 
series, dhcrelay won't.


In general, dhcp-helper fits better on embedded-router type systems 
(which is what it was written for). Embeded Debian is a coming thing.



HTH

Simon.


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Bug#320492: Differences between dhcp3-relay and dhcp-helper.

2005-07-30 Thread Peter Samuelson

[Simon Kelley]
 A brief summary of the differences between dhcp3-relay and dhcp-helper.
 
 1) Size
 2) Kernel requirements
 3) Configuration

Yeah - this is the sort of thing to include in the long description.
Except somewhat shorter than your email was.  Otherwise none of these
things will be obvious to anyone looking for a DHCP relay agent.

Peter


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Bug#320492: Differences between dhcp3-relay and dhcp-helper.

2005-07-30 Thread Simon Kelley

Peter Samuelson wrote:

[Simon Kelley]


A brief summary of the differences between dhcp3-relay and dhcp-helper.

1) Size
2) Kernel requirements
3) Configuration



Yeah - this is the sort of thing to include in the long description.
Except somewhat shorter than your email was.  Otherwise none of these
things will be obvious to anyone looking for a DHCP relay agent.

Peter



How about this:


Description: A DHCP relay agent.
 Dhcp-helper is a DHCP and BOOTP relay agent. It listens for DHCP
 and BOOTP broadcasts on directly connected subnets and relays
 them to DHCP or BOOTP servers elsewhere. Dhcp-helper is much smaller
 than the more-common ISC dhcp3-relay package and it does not require
 the Linux Packet Filter facility to be present in the kernel. This
 makes it a good choice for use on small or embedded systems. Unlike
 dhcp3-relay, dhcp-helper can be configured to forward DHCP requests
 as broadcasts, and does not therefore need to be configured with the
 IP address of the DHCP server, only the network in which it resides.


Cheers,

Simon.



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Bug#320492: Differences between dhcp3-relay and dhcp-helper.

2005-07-30 Thread Peter Samuelson

Looks great.  Small edits suggested below.

Peter


 Description: A DHCP relay agent.
** DHCP relay agent [no .]

  Dhcp-helper is a DHCP and BOOTP relay agent. It listens for DHCP
** dhcp-helper  [not Dhcp - the real package name is all lowercase]

  and BOOTP broadcasts on directly connected subnets and relays
  them to DHCP or BOOTP servers elsewhere. Dhcp-helper is much smaller
**  dhcp-helper

  than the more-common ISC dhcp3-relay package and it does not require
** than dhcp3-relay, and it does not require

  the Linux Packet Filter facility to be present in the kernel. This
** the Packet Filter kernel facility to be present. This

  makes it a good choice for use on small or embedded systems. Unlike
  dhcp3-relay, dhcp-helper can be configured to forward DHCP requests
  as broadcasts, and does not therefore need to be configured with the
** as broadcasts, and therefore does not need to be given the

  IP address of the DHCP server, only the network in which it resides.


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