Thank you very much Markus,

The exclusion range was the one I need to config the dhcp server


Servicio de Informática   
Wenceslao Poveda Sánchez.
I. Técnico de Sistemas.
Unidad de SSII - Servicio de Informática.
Excma.Diputación Provincial de Alicante 
  [email protected] 
  965.98.89.00  Ext. 8416 


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> -----Mensaje original-----
> De: Kaiser, Markus [mailto:[email protected]]
> Enviado el: viernes, 24 de febrero de 2012 13:07
> Para: Enterasys Customer Mailing List
> CC: Enterasys Customer Mailing List
> Asunto: Re: [enterasys] DHCP Relay
> 
> Hi,
> 
> here's a example from the B5 CLI Guide. You can always download those
> guides on your own.
> 
> https://extranet.enterasys.com/downloads/Pages/dms.ashx?download=26c
> 54380-bd79-4534-9d6c-32f3f3b084e9
> 
> Just create a Enterasys account and activate it, if you haven't got one.
> 
> I think you'll also need to assign a ip address to the VLAN which you want to
> use with/for your DHCP pool/server configured on the B5 switch.
> 
> Maybe you can explain your network topology a little bit more?
> 
> If you don't do any routing and you have only one VLAN (where also your
> switch management ip address/submet belongs to), then only put your MS
> or linux dhcp server in that VLAN (here default VLAN 1 - i think) and
> everything should just work fine.
> 
> If you want to configure the B5 as DHCP server, please see the B5 CLI guide
> for the example.
> 
> Below a example for the ip pool range configuration:
> 
> From the CLI guide:
> 
> 
> set dhcp pool network
> 
> Use this command to configure the subnet number and mask for an
> automatic DHCP address pool.
> 
> Syntax
> 
> set dhcp pool poolname network number {mask | prefix-length} Parameters
> 
> poolname Specifies the name of the address pool. Pool names may be up to
> 31 characters in length.
> 
> number Specifies an IP subnet for the address pool.
> mask Specifies the subnet mask in dotted quad notation. prefix-length
> Specifies the subnet mask as an integer.
> 
> Defaults
> 
> None.
> 
> Mode
> 
> Switch command, read-write.
> 
> Usage
> 
> Use this command to configure a set of IP addresses to be assigned by the
> DHCP server using the specified address pool. In order to limit the scope of
> the addresses configured with this command, use the set dhcp exclude
> command on page 21-7.
> 
> 
> Examples
> 
> This example configures the IP subnet 172.20.28.0 with a prefix length of 24
> for the automatic DHCP pool named "auto1." Alternatively, the mask could
> have been specified as 255.255.255.0.
> 
>              B5(rw)->set dhcp pool auto1 network 172.20.28.0 24
> 
> 
> This example limits the scope of 255 addresses created for the Class C
> network 172,20.28.0 by the previous example, by excluding addresses
> 172.20.28.80 - 100.
> 
>              B5(rw)->set dhcp exclude 172.20.28.80 172.20.28.100
> 
> 
> 
> Hope this helps.
> 
> 
> Markus
> 
> 
> 
> Sent via iPhone.
> 
> On 24.02.2012, at 12:33, "POVEDA SANCHEZ, WENCESLAO" <wpoveda@dip-
> alicante.es<mailto:[email protected]>> wrote:
> 
> Thanks Markus,
> 
> I think I will config dhcp pool on the switch instead of ip-helper, cause if I
> have understood the only way to configure it on B5 is creating another
> network, different from de management one.
> 
> Do you know how to create a range in the pool?
> 
> 
> 
> Servicio de Informática
> Wenceslao Poveda Sánchez.
> I. Técnico de Sistemas.
> Unidad de SSII - Servicio de Informática.
> Excma.Diputación Provincial de Alicante
>   [email protected]<mailto:[email protected]>
>   965.98.89.00  Ext. 8416
> 
> 
> La información contenida en este correo electrónico es confidencial,
> incluyendo sus adjuntos, y va dirigida únicamente al receptor/es que aparece
> como destinatario. Si ha recibido este mensaje por error, por favor,
> notifíquenoslo inmediatamente y bórrelo de su sistema.
> Queda terminantemente prohibida a cualquier otra persona su revelación,
> copia, distribución o cualquier tipo de tratamiento.
> 
> The information contained in this email is confidential, including 
> attachments,
> and is directed only to the receiver listed as the recipient. If you have
> received this message by mistake, please notify us immediately and delete it
> from your system.
> It is strictly forbidden to any other person the disclosure, copying,
> distribution or any kind of treatment.
> 
> 
> Antes de imprimir este mensaje, por favor, compruebe que es
> verdaderamente necesario.
> El Medio Ambiente es cosa de todos.
> 
> Before printing this message, please check that it is absolutely necessary.
> The environment is everyone's business.
> 
> 
> 
> -----Mensaje original-----
> De: Kaiser, Markus [mailto:[email protected]] Enviado el: viernes, 24
> de febrero de 2012 11:20
> Para: Enterasys Customer Mailing List
> CC: Enterasys Customer Mailing List
> Asunto: Re: [enterasys] DHCP Relay
> 
> Hi,
> 
> doesn't matter if you do routing or not, you'll need to configure a IP address
> on VLAN 1 "ip address x.x.x.x submetmask", so that the router/ip interface is
> able to source the unicast, which is sent to the dhcp server because of the
> dhcp broadcast. Without    an ip address on the router, the device can't put a
> ip address in the dhcp relay ip field of the dhcp unicast packet and also in 
> the
> ip header (source ip address). The switch management ip won't do that part.
> 
> But you'll run into another problem on the B5, because you can't have the
> same ip subnet configured for the switch management ip and vlan 1 for
> example. You're not allowed to route your own switch management ip
> subnet on your access switch for security reasons.
> 
> Kind regards,
> 
> Markus
> 
> 
> Sent via iPhone.
> 
> On 24.02.2012, at 11:01, "POVEDA SANCHEZ, WENCESLAO" <wpoveda@dip-
> alicante.es<http://alicante.es>> wrote:
> 
> Hi every body,
> 
> I have a question,
> I need to configure DHCP Relay Agent on a B5G, so I make this:
> 
> router
> enable
> configure
> ip forward-protocol udp 69
> interface vlan 1
> ip helper-address 192.168.0.3
> 
> This is my config, but on dhcp server requests are not arriving, so, do I have
> to config anyting else on B5?
> 
> This device is not configure for routing (only switching), but I'd like to 
> enable
> this feature.
> 
> Thanks
> 
> Servicio de Informática
> Wenceslao Poveda Sánchez.
> I. Técnico de Sistemas.
> Unidad de SSII - Servicio de Informática.
> Excma.Diputación Provincial de Alicante
>  [email protected]<mailto:[email protected]>
>  965.98.89.00  Ext. 8416
> 
> 
> La información contenida en este correo electrónico es confidencial,
> incluyendo sus adjuntos, y va dirigida únicamente al receptor/es que aparece
> como destinatario. Si ha recibido este mensaje por error, por favor,
> notifíquenoslo inmediatamente y bórrelo de su sistema.
> Queda terminantemente prohibida a cualquier otra persona su revelación,
> copia, distribución o cualquier tipo de tratamiento.
> 
> The information contained in this email is confidential, including 
> attachments,
> and is directed only to the receiver listed as the recipient. If you have
> received this message by mistake, please notify us immediately and delete it
> from your system.
> It is strictly forbidden to any other person the disclosure, copying,
> distribution or any kind of treatment.
> 
> 
> Antes de imprimir este mensaje, por favor, compruebe que es
> verdaderamente necesario.
> El Medio Ambiente es cosa de todos.
> 
> Before printing this message, please check that it is absolutely necessary.
> The environment is everyone's business.
> 
> 
> -----Mensaje original-----
> De: Christian Frömmel [mailto:[email protected]]
> Enviado el: viernes, 24 de febrero de 2012 8:55
> Para: Enterasys Customer Mailing List
> Asunto: Re: [enterasys] Flexview for Mac Address Count
> 
> Hi,
> 
> you could use plain snmp as well if you don't find a flexview.
> 
> In the table BRIDGE-MIB::dot1dTpFdbPort (.1.3.6.1.2.1.17.4.3.1.2) you find
> the information on which port which mac-adress is learned. The mac is
> encoded in the OID, the value is a BRIDGE-MIB-internal port-index.
> You can sum up the MAC-Adresses for single ports with a quite simple script.
> 
> You can "translate" this internal port-index with the table BRIDGE-
> MIB::dot1dBasePortIfIndex (.1.3.6.1.2.1.17.1.4.1.2). The values of this table
> can be translated to real port-strings (fe.1.2, ge.2.3,
> etc.) with the table IF-MIB::ifName (.1.3.6.1.2.1.31.1.1.1.1).
> 
> Happy coding,
> Christian
> 
> On Fri, 24 Feb 2012, Florian Sontheim wrote:
> 
> Hi,
> Thanks for your replys. I thought of Something like this:
> 
> ge.1.1 - count 1 Mac
> ge.1.2 - count 3 Macs
> ge.1.3 - count 1 Mac
> ...
> 
> Than i Would be able to locate Miniswitches very fast.
> 
> Would that be difficult making a own Flexview? I dont have expirience in
> creating Flexview Filters.
> 
> Best Regards,
> Florian Sontheim
> 
> Von meinem iPhone gesendet
> 
> Am 23.02.2012 um 17:26 schrieb "Florian Sontheim"
> <[email protected]<mailto:[email protected]><mailto:fl
> [email protected]>>:
> 
> Hello Guys,
> 
> is there a flexview showing me the current count of mac addresses behind a
> switchport? This would be very helpful finding out problems with the multi-
> auth limitations on the SecureStacks.
> 
> Thanks and regards,
> Florian Sontheim
> 
> 
> Florian Sontheim
> Staatl. gepr. Techniker
> Projektleiter
> CCIE Routing & Switching #26473
> 
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> 
> Florian Sontheim
> Staatl. gepr. Techniker
> Projektleiter
> CCIE Routing & Switching #26473
> 
> SCALTEL AG
> Buchenberger Str. 18
> 87448 Waltenhofen
> 
> 
> 
> Telefon +49 831 54054-512
> Telefax +49 (0) 831 54054-509
> Hotline +49 (0) 180 533 77 11
> 
> 
> 
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> mit freundlichen Grüßen
> 
> Christian Frömmel
> Geschäftsbereich IT | Abteilung Netzwerk  Charité - Universitätsmedizin
> Berlin  Campus Benjamin Franklin  Hindenburgdamm
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