configure a switch for SNA services for testing DLSW+ and a challenging lab

From: Connary, Julie Ann (jconnary@xxxxxxxxx)
Date: Mon Jan 08 2001 - 12:33:05 GMT-3


   
Hi All,

I promised to send you all the following configuration - requires 12.1 code -

! set cpname to neta.pc1 - network a, pc 1
snasw cpname neta.pc1
!
!create a token ring port with no hpr routing
!
snasw port TR0 TokenRing0/0 conntype nohpr
!
!or create an ethernet port with no hpr routing
!
snasw port E0 Ethernet0/0 conntype nohpr
!
!or create a serial port with no hpr
!
snasw port S0 Serial0/0 conntype nohpr
!
!
!create a link - token-ring to token-ring:
!PC2 is the other router acting as an SNA node
!
snasw link TR0PC2 port TR0 rmac 4000.2222.2222
!
!create a link for Ethernet-to Ethernet
!
snasw link E0PC2 port E0 rmac 4000.0222.2222
!
!create a link for Ethernet to tokenring
!
snasw link EOTR0PC2 port E0 rmac 0200.4444.4444

Note: If an ethernet device communicates with a token ring device, you must
convert the destination non-canonical token ring address (4000.2222.2222)
to Ethernet canonical format (0200.4444.4444)

On the other Router - PC2 define MAC addresses under the appropriate
interface type:

Interface Ethernet 0/0
   mac-address 4000.0222.2222

Interface TokenRing0/0
    mac-address 4000.2222.2222

!again - define cpname
!
snasw cpname NETA.PC2
!
!again define the appropriate ports
!
snasw port TR0 Tokenring0/0 conntype nohpr
!
snasw port E0 Ethernet 0/0 conntype nohpr

Note: SNASw links are not required on the receiving routers.

Other commands:

To start the link creation use the command snasw start first on the
receiving router and then the sending routers.

show snasw port
show snasw link
show snasw session
snasw stop

Here is a challenging DLSW lab - watch out for loops:

                                                              /---------------R
2
                                                            /
\
Router- with-------------Token Ring---------R1 Token
Ring 2-----------Router with SNASW
SNAsw - \ /
                                                            \------------------
--R3

Set this up for DLSW load balancing and Circuit Weight Configuration using
SNAsw/APPN routers to test the configuration. DLSW runs
between R1 and R2 and between R1 and R3.

Hint: Key is to watch out how you define your SRB configurations.

Julie Ann
------------------------------------------------------------------------
                                         Julie Ann Connary
           | | Network Consulting Engineer
          ||| ||| Federal Support Program
        .|||||. .|||||. 13635 Dulles Technology Drive,
Herndon VA 20171
      .:|||||||||:.:|||||||||:. Pager: 1-888-642-0551
     c i s c o S y s t e m s Email: jconnary@cisco.com

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