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Re: [TEKNIK] LØST!... HP jetdirect bokse og DHCP



Søren Dam wrote:
> Frank Larsen wrote:
>>> Frank Larsen wrote:
>>>>> Vi har en del Jetdirect bokse stående som kobler på via 
>>> DHCP. Efter at
>>>>> have Skiftet fra Redhat 3 til Redhat 4 er DCHP versionen 
>>> skiftet fra
>>>>> dhcp-3.0.1-10.EL3 til  dhcp-3.0.1-58.EL4.
>>>>>
>>>>> JetDirect boksene vil af en eller anden årsag ikke koble sig 
>>>>> på den nye
>>>>> udgave af DHCP. De kontakter serveren, men der kommer 
>>> ingen DHCPACK.
>>>>>
>>>>>> Sep  6 11:38:21 ruby dhcpd: DHCPDISCOVER from 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:38:21 ruby dhcpd: DHCPOFFER on 130.226.199.76 to 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:38:30 ruby dhcpd: DHCPDISCOVER from 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:38:30 ruby dhcpd: DHCPOFFER on 130.226.199.76 to 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:38:49 ruby dhcpd: DHCPDISCOVER from 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:38:49 ruby dhcpd: DHCPOFFER on 130.226.199.76 to 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:39:27 ruby dhcpd: DHCPDISCOVER from 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>> Sep  6 11:39:27 ruby dhcpd: DHCPOFFER on 130.226.199.76 to 
>>>>> 00:10:83:1b:b8:93 via eth0
>>>>>
>>>>>
>>>>>  dhcp.conf er den samme på begge maskiner. Jeg har prøvet  
>>> at kigge på
>>>>> ISC's changelog for dhcp, men jeg kan ikke se hvad der skulle gøre
>>>>> forskellen. Der er KUN problemer med Jetdirect kortene, alle 
>>>>> andre er OK.
>>>>>
>>>>> /Søren Dam
>>>>>
>>>>>
>>>> Nogle gange har HP's bokse den ide at de skal have deres 
>>> adresse via BOOTP.
>>>> Det anhænger af alderen på dem og hvilken firmware der på netkortet.
>>>>
>>>>
>>>> Du kan evt. resette dem til default-værdier.
>>>>
>>>> Alternativ kan du ved hjælp af HP Web Jetadmin sætte 
>>> adressen hårdt på boksene.
>>>> Her kan du også opgradere firmware.
>>>>
>>>>  
>>>>
>>>>
>>> Jeg har stadig ikke fundet problemet... Jeg har prøvet at opdatere
>>> firmware på boksene uden resultat. Det mærkelige er at den eneste
>>> forskel på de to dhcp servere er den lille forskel i versionen.
>>> ISC's changelog 
>>> http://www.isc.org/index.pl?/sw/dhcp/dhcp_rel.php giver
>>> mig ikke meget hjælp..
>>>
>>
>> Sæt IP hårdt på boksen ved hjælp af HP Web Jetadmin, og exclude IP fra DHCP.
>>
>> Det er en løsning jeg har haft anvendt på Windows og Novell netværk, hvor der
>> er printerbokse der driller.
>>
>> Printerboksen skal alligevel have den samme IP hver gang, så det er ret
>> ligegyldigt om man sætter den hårdt eller reserverer den i DHCP.
>>
>>  
>> Med venlig hilsen / Regards
>>  
>> Frank Larsen
>> Kimik IT A/S
>> PO Box 740
>> 3900 Nuuk
>> Greenland
>> Mail : sslug@sslug
>> Phone: +299 34 20 00
>> Fax  : +299 34 20 01
>> Skype: larsen_frank
>> Gmail: franklarsen19xx
>>
>>
> Ja jo..jeg ved det.. Bare møgirriterende at det laver det nummer uden at
> jeg har en idé om hvorfor det sker. Men levet må gå videre ja..
> 
> /Søren Dam
> 
> 
Jeg fandt en løsning.. Det viste sig ved nærmere eftersyn at Apple Mac X
klienter heller ikke kunne få IP adresser. Så Firmware upgrades og og
manuelle IP'er var ihvertfald igen løsning. svaret var såmænd i man
dhcpd.conf

"..     The always-broadcast statement
always-broadcast flag;
The DHCP and BOOTP protocols both require DHCP and BOOTP clients to
set the broadcast bit in the  flags  field  of  the  BOOTP  message
header.  Unfortunately, some DHCP and BOOTP clients do not do this,
and therefore may not receive responses from the DHCP server.   The
DHCP  server  can  be  made  to  always  broadcast its responses to
clients by setting this flag to 'on' for the relevant scope;  rele-
vant scopes would be inside a conditional statement, as a parameter
for a class, or as a parameter for a host declaration.    To  avoid
creating  excess  broadcast  traffic  on your network, we recommend
that you restrict the use of this option to as few clients as  pos-
sible.    For  example,  the  Microsoft DHCP client is known not to
have this problem, as are the OpenTransport and ISC DHCP clients.
.."

always-broadcast on; blev sat i dhcpd.conf. Så virker det!


Tak for hjælpen igen Frank..


 
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