Re: DLSW Switch redundancy ?

From: Victor Cappuccio (cvictor@protokolgroup.com)
Date: Sat Oct 01 2005 - 22:30:57 GMT-3


Upps Sorry I pressed the send button without finishing the email, I'm
not an English Speaker, please excuse my mistake ** know == now **
now The problem would be how to load the File in the Application that
the DocCD uses
..
And Still Browsing...

Victor Cappuccio wrote:

> Still Browsing... Nice one to where is it!!
>
> vc@066GR /cygdrive/d/CdDc
> $ grep -r F0F0 *
> Coincidencia en el fichero binario cc/td/doc/cisintwk/itg_v1/tr891502.eps
> Coincidencia en el fichero binario
> cc/td/doc/product/wanbu/mgx8850/vism30/vm30_0
> 2.htm
>
>
> Know the problem would be hoy to load that File in the
> Dennis J. Hartmann wrote:
>
>> In relation to this, does anyone know where there are some good SAP
>> codes for filtering in the /univercd?
>> The only ones I've successfully found in the documentation is from
>> the 12.3 Source-Route Briding Configuration Guide:
>>
>> An access list that passes a frame if it is a NetBIOS frame (SAP =
>> 0xF0F0) An access list that passes a frame if it is an SNA frame (SAP
>> = 0x0404)
>>
>> ! Access list 201 passes NetBIOS frames (command or response)
>> access-list 201 permit 0xF0F0 0x0001 ! access-list 202 permit 0x0404
>> 0x0001 ! Permits SNA frames (command or
>> response) access-list 202 permit 0x0004 0x0001 ! Permits SNA
>> Explorers with NULL DSAP
>> -Dennis Hartmann
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> kevin gannon
>> Sent: Saturday, October 01, 2005 9:30 AM
>> To: Cisco certification
>> Subject: DLSW Switch redundancy ?
>>
>> I have no real world SNA experience so the below maybe seem daft. I have
>> setup up the following
>>
>> R1
>> ------------------
>> interface FastEthernet0/0
>> no ip address
>> duplex auto
>> speed auto
>> dlsw transparent redundancy-enable 9999.9999.9999
>> dlsw transparent map local-mac 4000.0000.0099 remote-mac
>> 0009.b7d1.6e20
>>
>> R5
>> -------------------
>> interface FastEthernet0/0
>> no ip address
>> duplex auto
>> speed auto
>> dlsw transparent redundancy-enable 9999.9999.9999 master-priority 1
>> dlsw
>> transparent map local-mac 4000.0000.0002 remote-mac 0090.ed8b.7604
>>
>> Both R1 and R5 are attached to the same switch in the same VLAN. On this
>> VLAN I have also setup a DSPU listener and on another router I have
>> setup a
>> DSPU host. The DSPU traffic is travelling in DLSW and hits R1 in this
>> case
>> as this is the router which won the circuit. 0090.ed8b.7604 is the
>> host by
>> the way.
>>
>> I can see the MAC address translation taking place on R1 :
>>
>> R1#
>> *Mar 1 03:38:42.779: DLSW-ER:action_c(): origin mapped from (wan)
>> 0090.ed8b.7604 ---> 0200.0000.0099
>>
>> So all is well.
>>
>> So in the real world if the mainframe recieves the SNA from the MAT'd
>> address in my case 0200.0000.0099 the MAT it should respond to the
>> 0200.0000.0099 ?
>>
>> If this is the case then in my configs MAT seems to work in only one
>> direction.
>> In fact if R1 receieves an explorer for the MAC 0200.0000.0099 it doesnt
>> respond and traffic is dropped.Testing using DSPU commands again a
>> real SNA
>> host may behave differently ?
>>
>> Maybe I should be thinking about this like static IP NAT.
>>
>> Thanks & Regards
>> Kevin
>>
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