'help'
John Dakos [ Enovation Technologies ]
gdakos at enovation.gr
Mon Jul 28 13:22:29 UTC 2008
----- Original Message -----
From: <freebsd-questions-request at freebsd.org>
To: <freebsd-questions at freebsd.org>
Sent: Monday, July 28, 2008 3:00 PM
Subject: freebsd-questions Digest, Vol 226, Issue 2
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> Today's Topics:
>
> 1. Re: malloc options (Karl Vogel)
> 2. Re: malloc options (Giorgos Keramidas)
> 3. Network, routers, DHCP and PXE (Svein Halvor Halvorsen)
> 4. Re: Network, routers, DHCP and PXE (Manolis Kiagias)
> 5. Re: Binary upgrade from legacy version + ports
> (Jan Henrik Sylvester)
> 6. Re: Network, routers, DHCP and PXE (Subhro)
> 7. Re: Network, routers, DHCP and PXE (Svein Halvor Halvorsen)
> 8. Re: Network, routers, DHCP and PXE (Manolis Kiagias)
> 9. Re: Network, routers, DHCP and PXE (Svein Halvor Halvorsen)
> 10. Re: Network, routers, DHCP and PXE (Manolis Kiagias)
> 11. wget vs fetch (Marcel Grandemange)
> 12. wget vs fetch (Marcel Grandemange)
> 13. RE: wget vs fetch (Marcel Grandemange)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 27 Jul 2008 21:55:39 -0400 (EDT)
> From: vogelke+software at pobox.com (Karl Vogel)
> Subject: Re: malloc options
> To: Giorgos Keramidas <keramida at ceid.upatras.gr>
> Cc: freebsd-questions at freebsd.org
> Message-ID: <20080728015539.70030B7B9 at kev.msw.wpafb.af.mil>
>
>>> On Sat, 26 Jul 2008 17:36:35 -0700,
>>> Doug Hardie <bc979 at lafn.org> wrote:
>
> D> The program has worked under considerable load for many years with
> versions
> D> 3.7 to 6.2. Problems only occur with 7.0. The program is quite
> complex
> D> and big. It uses probably hundreds of mallocs in a typical use. The
> D> problems only occur reasonably randomly and only under quite heavy
> load.
> D> The developer is looking into it, but the problem only occurs on
> FreeBSD
> D> 7.0, not any other Unix systems. In the meantime I am losing money
> because
> D> of it.
>
>>> On Sun, 27 Jul 2008 05:03:58 +0300,
>>> Giorgos Keramidas <keramida at ceid.upatras.gr> said:
>
> G> While that's understandable, the current malloc() has undergone quite
> G> extensive testing by Jason Evans and a lot of people who use it in
> FreeBSD
> G> 7.X or later. Its ability to expose bugs in this way was deemed
> important
> G> enough that it is now used by other projects too.
>
> I ran into a similar problem with the BSD allocator running under heavy
> load that didn't happen under any Solaris or Linux system I used. I
> finally fixed it by using Doug Lea's malloc just for this one
> application:
>
> http://shell.siscom.net/~vogelke/Software/Languages/C/Libraries/malloc/
>
> This was under FreeBSD 6.*, but it might provide another data point if
> you
> want to give it a try.
>
> --
> Karl Vogel I don't speak for the USAF or my company
> vogelke at pobox dot com http://www.pobox.com/~vogelke
>
> And God said, "Let there be vodka!" And saw that it was good. Then God
> said, "Let there be light!" And then said, "Whoa - too much light."
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 28 Jul 2008 07:13:50 +0300
> From: Giorgos Keramidas <keramida at ceid.upatras.gr>
> Subject: Re: malloc options
> To: vogelke+software at pobox.com
> Cc: freebsd-questions at freebsd.org
> Message-ID: <87k5f6odc1.fsf at kobe.laptop>
> Content-Type: text/plain; charset=us-ascii
>
> On Sun, 27 Jul 2008 21:55:39 -0400 (EDT), vogelke+software at pobox.com (Karl
> Vogel) wrote:
>>>> On Sat, 26 Jul 2008 17:36:35 -0700,
>>>> Doug Hardie <bc979 at lafn.org> wrote:
>>
>> D> The program has worked under considerable load for many years with
>> D> versions 3.7 to 6.2. Problems only occur with 7.0. The program is
>> D> quite complex and big. It uses probably hundreds of mallocs in a
>> D> typical use. The problems only occur reasonably randomly and only
>> D> under quite heavy load. The developer is looking into it, but the
>> D> problem only occurs on FreeBSD 7.0, not any other Unix systems. In
>> D> the meantime I am losing money because of it.
>>
>>>> On Sun, 27 Jul 2008 05:03:58 +0300,
>>>> Giorgos Keramidas <keramida at ceid.upatras.gr> said:
>>
>> G> While that's understandable, the current malloc() has undergone
>> G> quite extensive testing by Jason Evans and a lot of people who use
>> G> it in FreeBSD 7.X or later. Its ability to expose bugs in this way
>> G> was deemed important enough that it is now used by other projects
>> G> too.
>>
>> I ran into a similar problem with the BSD allocator running under
>> heavy load that didn't happen under any Solaris or Linux system I
>> used. I finally fixed it by using Doug Lea's malloc just for this one
>> application:
>>
>>
>> http://shell.siscom.net/~vogelke/Software/Languages/C/Libraries/malloc/
>>
>> This was under FreeBSD 6.*, but it might provide another data point if
>> you want to give it a try.
>
> I'm not sure how similar the two problems are. I quite frankly know
> _very_ little of what the original problem was, other than "I am
> encountering issues where values just seem to arbitrarily change".
>
> Memory exhaustion is a potential problem with almost any sort of
> allocator that fragments memory in any way, but random corruption of
> user data is probably a different issue :/
>
> If you have some sort of description of the workload that triggered the
> memory exhaustion with jemalloc (the current malloc implementation in
> FreeBSD), it's probably a good idea to talk to Jason Evans about it (his
> email is "jasone" at FreeBSD.org). He may be able to help you tune
> malloc or even make changes to the system version of malloc that make it
> less vulnerable to this sort of problem.
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 28 Jul 2008 09:18:23 +0200
> From: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Subject: Network, routers, DHCP and PXE
> To: questions at freebsd.org
> Message-ID: <488D72BF.80205 at lvor.halvorsen.cc>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hi, list!
>
>
> I have a private home network, on an ADSL2+ connection to the
> internet. The home network is behind NAT, all automatically set up
> by the router/dhcp server/wlan access point/adsl modem that I got
> from my ISP. It's a Thomson SpeedTouch 585 router.
>
> Now, on this network, most of the computers get their IP by means of
> DHCP. Except our home audio server, which have a hard coded ip
> address in rc.conf, set to something within the range of the dhcp
> server (10.0.0.2-10.0.0.253). The server seems to pick this up, and
> don't give that address away to someone else.
>
> I've tried using other addresses outside this range, like 10.0.1.1,
> but that doesn't work. All network access is lost when I do that.
>
> Now, on my local network I'd like to put a diskless machine. As I
> understand it, my DHCP server needs to tell the client about the
> "filename" and a "next-server" to use. I don't think I can setup the
> Thomson router to do this. All the instruction I can find online
> advises me to install a DHCP server on the same machine that serves
> the pxe boot image. But if I do that, I'll get two DHCP servers on
> my local network. Is that ok? Will there be a race condition, when a
> client asks for an IP address?
>
>
> sv.
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 28 Jul 2008 10:48:19 +0300
> From: Manolis Kiagias <sonic2000gr at gmail.com>
> Subject: Re: Network, routers, DHCP and PXE
> To: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Cc: questions at freebsd.org
> Message-ID: <488D79C3.6070000 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Svein Halvor Halvorsen wrote:
>> Hi, list!
>>
>>
>> I have a private home network, on an ADSL2+ connection to the
>> internet. The home network is behind NAT, all automatically set up
>> by the router/dhcp server/wlan access point/adsl modem that I got
>> from my ISP. It's a Thomson SpeedTouch 585 router.
>>
>> Now, on this network, most of the computers get their IP by means of
>> DHCP. Except our home audio server, which have a hard coded ip
>> address in rc.conf, set to something within the range of the dhcp
>> server (10.0.0.2-10.0.0.253). The server seems to pick this up, and
>> don't give that address away to someone else.
>>
>
> You may also want to ensure that the router will never allocate your
> static IP address to someone else.
> Look at the DHCP router settings either for DHCP scope (set it to
> narrower values, and use a static IP outside the range) or for something
> like exceptions / exclusion where you can mark a specific IP that DHCP
> will never assign.
>> I've tried using other addresses outside this range, like 10.0.1.1,
>> but that doesn't work. All network access is lost when I do that.
>>
>
> 10.0.1.1 is a different network (I assume your netmask is
> 255.255.255.0, but check your router or your clients)
>
>> Now, on my local network I'd like to put a diskless machine. As I
>> understand it, my DHCP server needs to tell the client about the
>> "filename" and a "next-server" to use. I don't think I can setup the
>> Thomson router to do this. All the instruction I can find online
>> advises me to install a DHCP server on the same machine that serves
>> the pxe boot image. But if I do that, I'll get two DHCP servers on
>> my local network. Is that ok? Will there be a race condition, when a
>> client asks for an IP address?
>>
>
> You will have to shutdown the router's DHCP. Probably disable it
> permanently and assign this function to a machine.
> The DHCP of the router also sends you the following information (besides
> IP address):
>
> - DNS Server(s): Either the ones used by your ISP (consult its website)
> or its own address (i.e. 10.0.0.1). Most routers send their own address
> as a DNS server and perform the resolution by sending your request to
> ISP servers.
> - Gateway address: This is always the router's local IP address (i.e.
> 10.0.0.1)
>
> If you setup your own DHCP server, make sure it is set to send this info
> as well. (These are commonly known as DHCP options)
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 28 Jul 2008 09:52:48 +0200
> From: Jan Henrik Sylvester <me at janh.de>
> Subject: Re: Binary upgrade from legacy version + ports
> To: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Cc: questions-list freebsd <freebsd-questions at freebsd.org>
> Message-ID: <488D7AD0.5090804 at janh.de>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Svein wrote:
> > Is there a problem using the prebuilt packages from STABLE on a
> > RELEASE box? If I want to run RELEASE, and still use the latest
> > packages? The ABI is consistent between STABLE and RELEASE, right?
>
> Yes, there is a problem. See my posting here:
>
> http://lists.freebsd.org/pipermail/freebsd-questions/2008-June/177553.html
>
> Unfortunatelly, I have not got an answer, but it is obvious packages
> using this new symbol must fail:
>
> http://lists.freebsd.org/pipermail/cvs-src/2008-May/091586.html
>
> The question is, if other package may fail as well.
>
> I have had one more error that went away after recompiling a STABLE
> package:
>
> http://lists.freebsd.org/pipermail/freebsd-gnome/2008-July/020520.html
>
> I do not know if this is related, though.
>
> If you find out more, please, let me know.
>
> Cheers,
> Jan Henrik
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 28 Jul 2008 13:35:55 +0530
> From: Subhro <subhro.kar at gmail.com>
> Subject: Re: Network, routers, DHCP and PXE
> To: "Manolis Kiagias" <sonic2000gr at gmail.com>
> Cc: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>,
> questions at freebsd.org
> Message-ID:
> <b2807d040807280105o531be87awa5dba3b408af65a6 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Just to add to that suggestion, if you have a separate DHCP server,
> make sure your router works as a DHCP client for the internal network
> as well. You should be able to do that by telnetting into the
> management port. You may use a serial cable as well.
>
> This is required in order to get the NAT working properly.
>
> Thanks
> Subhro
>
> On Mon, Jul 28, 2008 at 1:18 PM, Manolis Kiagias <sonic2000gr at gmail.com>
> wrote:
>> Svein Halvor Halvorsen wrote:
>>>
>>> Hi, list!
>>>
>>>
>>> I have a private home network, on an ADSL2+ connection to the
>>> internet. The home network is behind NAT, all automatically set up
>>> by the router/dhcp server/wlan access point/adsl modem that I got
>>> from my ISP. It's a Thomson SpeedTouch 585 router.
>>>
>>> Now, on this network, most of the computers get their IP by means of
>>> DHCP. Except our home audio server, which have a hard coded ip
>>> address in rc.conf, set to something within the range of the dhcp
>>> server (10.0.0.2-10.0.0.253). The server seems to pick this up, and
>>> don't give that address away to someone else.
>>>
>>
>> You may also want to ensure that the router will never allocate your
>> static
>> IP address to someone else.
>> Look at the DHCP router settings either for DHCP scope (set it to
>> narrower
>> values, and use a static IP outside the range) or for something like
>> exceptions / exclusion where you can mark a specific IP that DHCP will
>> never
>> assign.
>>>
>>> I've tried using other addresses outside this range, like 10.0.1.1,
>>> but that doesn't work. All network access is lost when I do that.
>>>
>>
>> 10.0.1.1 is a different network (I assume your netmask is 255.255.255.0,
>> but
>> check your router or your clients)
>>
>>> Now, on my local network I'd like to put a diskless machine. As I
>>> understand it, my DHCP server needs to tell the client about the
>>> "filename" and a "next-server" to use. I don't think I can setup the
>>> Thomson router to do this. All the instruction I can find online
>>> advises me to install a DHCP server on the same machine that serves
>>> the pxe boot image. But if I do that, I'll get two DHCP servers on
>>> my local network. Is that ok? Will there be a race condition, when a
>>> client asks for an IP address?
>>>
>>
>> You will have to shutdown the router's DHCP. Probably disable it
>> permanently
>> and assign this function to a machine.
>> The DHCP of the router also sends you the following information (besides
>> IP
>> address):
>>
>> - DNS Server(s): Either the ones used by your ISP (consult its website)
>> or
>> its own address (i.e. 10.0.0.1). Most routers send their own address as a
>> DNS server and perform the resolution by sending your request to ISP
>> servers.
>> - Gateway address: This is always the router's local IP address (i.e.
>> 10.0.0.1)
>>
>> If you setup your own DHCP server, make sure it is set to send this info
>> as
>> well. (These are commonly known as DHCP options)
>> _______________________________________________
>> freebsd-questions at freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>> To unsubscribe, send any mail to
>> "freebsd-questions-unsubscribe at freebsd.org"
>>
>
>
>
> --
> Subhro Kar
> Software Engineer
> Dynamic Digital Technologies Pvt. Ltd.
> EPY-3, Sector: V
> Salt Lake City
> 700091
> India
>
>
> ------------------------------
>
> Message: 7
> Date: Mon, 28 Jul 2008 10:56:47 +0200
> From: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Subject: Re: Network, routers, DHCP and PXE
> To: Manolis Kiagias <sonic2000gr at gmail.com>
> Cc: questions at freebsd.org
> Message-ID: <488D89CF.1040100 at lvor.halvorsen.cc>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Manolis Kiagias wrote:
>>> Now, on this network, most of the computers get their IP by means of
>>> DHCP. Except our home audio server, which have a hard coded ip
>>> address in rc.conf, set to something within the range of the dhcp
>>> server (10.0.0.2-10.0.0.253). The server seems to pick this up, and
>>> don't give that address away to someone else.
>>
>> You may also want to ensure that the router will never allocate your
>> static IP address to someone else.
>> Look at the DHCP router settings either for DHCP scope (set it to
>> narrower values, and use a static IP outside the range) or for something
>> like exceptions / exclusion where you can mark a specific IP that DHCP
>> will never assign.
>
> Yeah, but even though the router has customizable values for this
>range, and issues a warning when i try to change them, it still
> doesn't change them when I click "yes" on the warning. It is
> pre-configured to 10.0.0.2-10.0.0.253
>
> I could of course use 10.0.0.254 for my static ip, but my room mate
> also wants a static address.
>
>>> I've tried using other addresses outside this range, like 10.0.1.1,
>>> but that doesn't work. All network access is lost when I do that.
>>
>> 10.0.1.1 is a different network (I assume your netmask is
>> 255.255.255.0, but check your router or your clients)
>
> You're right! But how do I make the entire 10/24 adress space
> available? It would be "clean" (I guess) to have a different adresse
> scheme for the static adresses.
>
> Anyway, it this point this isn't really critical, as the router
> figures out that the addresses I use, are in fact in use, and keeps
> them out of its dhcp address pool.
>
>
>> You will have to shutdown the router's DHCP. Probably disable it
>> permanently and assign this function to a machine.
>> The DHCP of the router also sends you the following information (besides
>> IP address):
>>
>> - DNS Server(s): Either the ones used by your ISP (consult its website)
>> or its own address (i.e. 10.0.0.1). Most routers send their own address
>> as a DNS server and perform the resolution by sending your request to
>> ISP servers.
>> - Gateway address: This is always the router's local IP address (i.e.
>> 10.0.0.1)
>>
>> If you setup your own DHCP server, make sure it is set to send this info
>> as well. (These are commonly known as DHCP options)
>
> So as long as I make my own DHCP server act the same way as the
> router one, I should be fine? NAT and all will work?
>
> Is there a way to debug the DHCP response from the current router
> dhcp server? So I can see what options it actually sends? dhclient
> doesn't seem to have a "more verbose" option, only less.
>
>
> sv.
>
>
> ------------------------------
>
> Message: 8
> Date: Mon, 28 Jul 2008 12:42:52 +0300
> From: Manolis Kiagias <sonic2000gr at gmail.com>
> Subject: Re: Network, routers, DHCP and PXE
> To: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Cc: questions at freebsd.org
> Message-ID: <488D949C.5020002 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Svein Halvor Halvorsen wrote:
>> Manolis Kiagias wrote:
>>
>>>> Now, on this network, most of the computers get their IP by means of
>>>> DHCP. Except our home audio server, which have a hard coded ip
>>>> address in rc.conf, set to something within the range of the dhcp
>>>> server (10.0.0.2-10.0.0.253). The server seems to pick this up, and
>>>> don't give that address away to someone else.
>>>>
>>> You may also want to ensure that the router will never allocate your
>>> static IP address to someone else.
>>> Look at the DHCP router settings either for DHCP scope (set it to
>>> narrower values, and use a static IP outside the range) or for something
>>> like exceptions / exclusion where you can mark a specific IP that DHCP
>>> will never assign.
>>>
>>
>> Yeah, but even though the router has customizable values for this
>> range, and issues a warning when i try to change them, it still
>> doesn't change them when I click "yes" on the warning. It is
>> pre-configured to 10.0.0.2-10.0.0.253
>>
>> I could of course use 10.0.0.254 for my static ip, but my room mate
>> also wants a static address.
>>
>>
>
> What are you trying to set it at? I would just lower the 253 value, so I
> could use the upper end for my static addresses. If you try to set it to
> a subnet outside it's own address, it will definitely not accept it.
> I would also try a factory reset or firmware upgrade of the router. I
> have been using a Speedtouch 500 series for years, and never had any
> problems with settings not getting registered. AFAIR the 585 has one of
> the new web interfaces and it is kind of confusing. I found the 500
> easier to use.
>
>>>> I've tried using other addresses outside this range, like 10.0.1.1,
>>>> but that doesn't work. All network access is lost when I do that.
>>>>
>>> 10.0.1.1 is a different network (I assume your netmask is
>>> 255.255.255.0, but check your router or your clients)
>>>
>>
>> You're right! But how do I make the entire 10/24 adress space
>> available? It would be "clean" (I guess) to have a different adresse
>> scheme for the static adresses.
>>
>
> Well problem is, a netmask of 255.255.255.0 means only the last octet
> can be used for hosts. Your DHCP server is already assigning addresses
> from this space.
>
>> Anyway, it this point this isn't really critical, as the router
>> figures out that the addresses I use, are in fact in use, and keeps
>> them out of its dhcp address pool.
>>
>>
>>
>>> You will have to shutdown the router's DHCP. Probably disable it
>>> permanently and assign this function to a machine.
>>> The DHCP of the router also sends you the following information (besides
>>> IP address):
>>>
>>> - DNS Server(s): Either the ones used by your ISP (consult its website)
>>> or its own address (i.e. 10.0.0.1). Most routers send their own address
>>> as a DNS server and perform the resolution by sending your request to
>>> ISP servers.
>>> - Gateway address: This is always the router's local IP address (i.e.
>>> 10.0.0.1)
>>>
>>> If you setup your own DHCP server, make sure it is set to send this info
>>> as well. (These are commonly known as DHCP options)
>>>
>>
>> So as long as I make my own DHCP server act the same way as the
>> router one, I should be fine? NAT and all will work?
>>
>
> Yes. As long as the clients have a valid DNS to ask, and a valid gateway
> to send their packets, everything will work properly. If you come to
> think about it, you are already doing this on the system with the static
> configuration.
>
>> Is there a way to debug the DHCP response from the current router
>> dhcp server? So I can see what options it actually sends? dhclient
>> doesn't seem to have a "more verbose" option, only less.
>>
>>
>> sv.
>>
>
>
> Not sure about this, sorry. However, don't expect much more than
> IP/Netmask, DNS Server, Gateway from a simple router. These should not
> be difficult to configure in isc-dhcp3 (net/isc-dhcp3-server).
>
> Have a look at this article:
>
> http://www.howtoforge.com/dhcp_server_linux_debian_sarge
>
> It is linux oriented, but very easy to adjust for FreeBSD.
> You will also need to add:
>
> option domain-name-servers 10.0.0.1;
>
> to set the DNS server address to your clients.
>
>
> ------------------------------
>
> Message: 9
> Date: Mon, 28 Jul 2008 11:59:41 +0200
> From: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Subject: Re: Network, routers, DHCP and PXE
> To: Manolis Kiagias <sonic2000gr at gmail.com>
> Cc: questions at freebsd.org
> Message-ID: <488D988D.10901 at lvor.halvorsen.cc>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Manolis Kiagias wrote:
>>> Yeah, but even though the router has customizable values for this
>>> range, and issues a warning when i try to change them, it still
>>> doesn't change them when I click "yes" on the warning. It is
>>> pre-configured to 10.0.0.2-10.0.0.253
>>>
>>> I could of course use 10.0.0.254 for my static ip, but my room mate
>>> also wants a static address.
>>
>> What are you trying to set it at? I would just lower the 253 value, so I
>> could use the upper end for my static addresses. If you try to set it to
>> a subnet outside it's own address, it will definitely not accept it.
>
> I managed to change the router ip address to 10.0.0.1/23 and just
> keep the default dhcp address space as 10.0.0.2-10.0.0.253. Now I
> seem to be able to use 10.0.1.1/24 for my own private use.
>
> (I don't think I really know what I'm doing here, but it works!)
>
>
>> Well problem is, a netmask of 255.255.255.0 means only the last octet
>> can be used for hosts. Your DHCP server is already assigning addresses
>> from this space.
>
> Well, I changed it to 255.255.254.0 (0xfffffe00) but kept the dhcp
> range as it was.
>
>
>>> So as long as I make my own DHCP server act the same way as the
>>> router one, I should be fine? NAT and all will work?
>>
>> Yes. As long as the clients have a valid DNS to ask, and a valid gateway
>> to send their packets, everything will work properly. If you come to
>> think about it, you are already doing this on the system with the static
>> configuration.
>
> Ok, I will look into this.
>
> Also, looking through the telnet interface options (which are far
> more than the web interface gives), I see that I can add "dhch
> server option templates", "dhcp server option instances" and that I
> can assign such an instance to the "dhcp server pool options".
>
> This uses a different config scheme than the isc dhcp server config
> files, though. And it seems I need to create a template before I can
> create an instance. The template takes a name and an option id as
> paramters. The instance, then takes a name, a template, and a value
> as mandatory paramters. Also enterprice number, suboption number,
> and more.
>
> How does the "filename", "next-server", etc map to option ids? Are
> these isomorphic, or do I get this completely wrong?
>
> Does this make any sense to you, or anyone else here? Should I try
> to make the router DHCP server serve the right options, or would you
> go the isc dhcp route?
>
>
> Thank you very much for your help so far!
>
>
> sv.
>
>
>
> ------------------------------
>
> Message: 10
> Date: Mon, 28 Jul 2008 13:25:39 +0300
> From: Manolis Kiagias <sonic2000gr at gmail.com>
> Subject: Re: Network, routers, DHCP and PXE
> To: Svein Halvor Halvorsen <svein.h at lvor.halvorsen.cc>
> Cc: questions at freebsd.org
> Message-ID: <488D9EA3.4010503 at gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Svein Halvor Halvorsen wrote:
>> Manolis Kiagias wrote:
>>
>>>> Yeah, but even though the router has customizable values for this
>>>> range, and issues a warning when i try to change them, it still
>>>> doesn't change them when I click "yes" on the warning. It is
>>>> pre-configured to 10.0.0.2-10.0.0.253
>>>>
>>>> I could of course use 10.0.0.254 for my static ip, but my room mate
>>>> also wants a static address.
>>>>
>>> What are you trying to set it at? I would just lower the 253 value, so I
>>> could use the upper end for my static addresses. If you try to set it to
>>> a subnet outside it's own address, it will definitely not accept it.
>>>
>>
>> I managed to change the router ip address to 10.0.0.1/23 and just
>> keep the default dhcp address space as 10.0.0.2-10.0.0.253. Now I
>> seem to be able to use 10.0.1.1/24 for my own private use.
>>
>> (I don't think I really know what I'm doing here, but it works!)
>>
>
> Well, a netmask of 255.255.254.0 should give you 10.0.0.1 to 10.0.1.254
> host addresses.
> 10.0.1.1 is within range, it should work.
>>
>>
>>> Well problem is, a netmask of 255.255.255.0 means only the last octet
>>> can be used for hosts. Your DHCP server is already assigning addresses
>>> from this space.
>>>
>>
>> Well, I changed it to 255.255.254.0 (0xfffffe00) but kept the dhcp
>> range as it was.
>>
>>
>>
>
> The DHCP range you are assigning is a subset of what you allowed with
> the netmask, thus it is valid.
>
>>>> So as long as I make my own DHCP server act the same way as the
>>>> router one, I should be fine? NAT and all will work?
>>>>
>>> Yes. As long as the clients have a valid DNS to ask, and a valid gateway
>>> to send their packets, everything will work properly. If you come to
>>> think about it, you are already doing this on the system with the static
>>> configuration.
>>>
>>
>> Ok, I will look into this.
>>
>> Also, looking through the telnet interface options (which are far
>> more than the web interface gives), I see that I can add "dhch
>> server option templates", "dhcp server option instances" and that I
>> can assign such an instance to the "dhcp server pool options".
>>
>
> Ah, yes completely forgot the speedtouch has a telnet interface as well.
> I messed with it a few times myself, mostly for fun ;)
>
>> This uses a different config scheme than the isc dhcp server config
>> files, though. And it seems I need to create a template before I can
>> create an instance. The template takes a name and an option id as
>> paramters. The instance, then takes a name, a template, and a value
>> as mandatory paramters. Also enterprice number, suboption number,
>> and more.
>>
>> How does the "filename", "next-server", etc map to option ids? Are
>> these isomorphic, or do I get this completely wrong?
>>
>> Does this make any sense to you, or anyone else here? Should I try
>> to make the router DHCP server serve the right options, or would you
>> go the isc dhcp route?
>>
>>
>> Thank you very much for your help so far!
>>
>>
>> sv.
>>
>>
>
>
> I have only done PXE with Windows servers, and it has been quite some
> time - cannot remember the details.
> I certainly would not advise you to use the router for this - even if it
> is possible it has several drawbacks.
>
> - You will, sooner or later, change the router and your new one may not
> have the capability
> - You will spend a probably unreasonable amount of time trying to make
> it work - and it may not even succeed
> - Learning how to perform this on FreeBSD will help you apply it in many
> other situations.
>
> I would definitely go the isc-dhcp route.
>
>
> ------------------------------
>
> Message: 11
> Date: Mon, 28 Jul 2008 12:09:16 +0200
> From: "Marcel Grandemange" <thavinci at thavinci.za.net>
> Subject: wget vs fetch
> To: <questions at freebsd.org>
> Cc: steyn at e-soul.co.za
> Message-ID: <000f01c8f09a$002bf610$0083e230$@za.net>
> Content-Type: text/plain; charset="us-ascii"
>
> I have a problem with a box I upgraded from FreeBSD 6.2 To FreeBSD7
>
>
>
> It seems the following is happening when I try use portupgrade -a or even
> building ports.
>
> ALL transfers that are FTP fail.
>
>
>
> Now to make this simple, I have following environmental variables set..
>
>
>
> http_proxy=http://192.168.12.4:3128/
>
> ftp_proxy=http://192.168.12.1:3128/
>
> FTP_PASSIVE_MODE=YES
>
>
>
> And here is the strange thing..
>
> Fetch fails, but if I use wget there is no problem.
>
> The firewall does allow ftp to go directly aswell, so I have also tried
> leaving out any and all proxy settings, this fails aswell. (Except for
> wget
> once again)
>
>
>
> And here is the crux.
>
>
>
> I have 5 mahcines on SAME network that has no issues like this, so this
> makes me think fetch is broke somehow.
>
> How can I force FreeBSD to use wget instead of fetch to bypass this?
>
>
>
>
>
> Ive tried setting env FETCH_CMD=wget but that results in wget failing with
> msg:
>
>
>
> Try `wget --help' for more options.
>
> => Attempting to fetch from
> http://mirror.sg.depaul.edu/pub/security/nmap/.
>
> wget: invalid option --
>
> Usage: wget [OPTION]... [URL]...
>
>
>
>
>
>
>
> Thankx ahead!
>
>
>
>
>
> ------------------------------
>
> Message: 12
> Date: Mon, 28 Jul 2008 12:28:27 +0200
> From: "Marcel Grandemange" <thavinci at thavinci.za.net>
> Subject: wget vs fetch
> To: <questions at freebsd.org>
> Cc: steyn at e-soul.co.za
> Message-ID:
> <!&!AAAAAAAAAAAYAAAAAAAAAGJPLKnJoyJDpeEQzt+keprCgAAAEAAAAJuuPBPd+UJFpVZe5G9ZXmsBAAAAAA==@thavinci.za.net>
>
> Content-Type: text/plain; charset="us-ascii"
>
> I have a problem with a box I upgraded from FreeBSD 6.2 To FreeBSD7
>
>
>
> It seems the following is happening when I try use portupgrade -a or even
> building ports.
>
> ALL transfers that are FTP fail.
>
>
>
> Now to make this simple, I have following environmental variables set..
>
>
>
> http_proxy=http://192.168.12.4:3128/
>
> ftp_proxy=http://192.168.12.1:3128/
>
> FTP_PASSIVE_MODE=YES
>
>
>
> And here is the strange thing..
>
> Fetch fails, but if I use wget there is no problem.
>
> The firewall does allow ftp to go directly aswell, so I have also tried
> leaving out any and all proxy settings, this fails aswell. (Except for
> wget
> once again)
>
>
>
> And here is the crux.
>
>
>
> I have 5 mahcines on SAME network that has no issues like this, so this
> makes me think fetch is broke somehow.
>
> How can I force FreeBSD to use wget instead of fetch to bypass this?
>
>
>
>
>
> Ive tried setting env FETCH_CMD=wget but that results in wget failing with
> msg:
>
>
>
> Try `wget --help' for more options.
>
> => Attempting to fetch from
> http://mirror.sg.depaul.edu/pub/security/nmap/.
>
> wget: invalid option --
>
> Usage: wget [OPTION]... [URL]...
>
>
>
>
>
>
>
> Thankx ahead!
>
>
>
>
>
> ------------------------------
>
> Message: 13
> Date: Mon, 28 Jul 2008 13:43:47 +0200
> From: "Marcel Grandemange" <thavinci at thavinci.za.net>
> Subject: RE: wget vs fetch
> To: "'Sergey Zaharchenko'" <doublef-ctm at yandex.ru>
> Cc: questions at freebsd.org
> Message-ID: <004a01c8f0a7$326df210$9749d630$@za.net>
> Content-Type: text/plain; charset="us-ascii"
>
> Thank You, Worked Perfectly!
> Saved My Life ;>
>
> -----Original Message-----
> From: Sergey Zaharchenko [mailto:doublef-ctm at yandex.ru]
> Sent: Monday, July 28, 2008 12:35 PM
> To: Marcel Grandemange
> Subject: Re: wget vs fetch
>
> Hello Marcel!
>
> Mon, Jul 28, 2008 at 12:09:16PM +0200 you wrote:
>
>> Ive tried setting env FETCH_CMD=wget but that results in wget failing
>> with
>> msg:
>>
>>
>>
>> Try `wget --help' for more options.
>>
>> => Attempting to fetch from
> http://mirror.sg.depaul.edu/pub/security/nmap/.
>>
>> wget: invalid option --
>>
>> Usage: wget [OPTION]... [URL]...
>
> You might want to add `DISABLE_SIZE=YES' to your /etc/make.conf, as the
> fetch's -S option confuses wget. FWIW I use that in connection with
> `FETCH_CMD=wget -c --passive-ftp' in make.conf and it has been working for
> a
> long time for me.
>
> --
> DoubleF
> No virus detected in this message. Ehrm, wait a minute...
> /kernel: pid 56921 (antivirus), uid 32000: exited on signal 9 Oh yes, no
> virus:)
>
>
>
> ------------------------------
>
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