route add -net 192.168.13 -netmask 255.255.255.0 -mtu 65280 \

192.168.14.4

2. Check for correct routing entry:

root@sp21n01:/ netstat -rn

 

 

 

 

 

 

Routing tables

 

 

 

 

 

 

 

Destination

Gateway

Flags

Refs

Use

If

PMTU

Exp Groups

Route Tree for Protocol Family 2 (Internet):

 

 

 

 

default

192.168.4.137

UG

0

515

en0

-

-

10.1.1/24

192.168.14.4

UG

0

65

css0

-

-

10.10.1/24

192.168.14.4

UG

0

2

css0

4352

-

10.50.1/24

192.168.14.4

UG

0

37

css0

-

-

127/8

127.0.0.1

U

8

518

lo0

-

-

192.168.4/24

192.168.4.1

U

10

345052

en0

-

-

192.168.13/24

192.168.14.4

UG

0

1360145

css0 65280

-

192.168.14/24

192.168.14.1

U

6

283472

css0

-

-

Route Tree for Protocol Family 24 (Internet v6):

 

 

 

::1

::1

UH

0

0

lo0 16896

-

3. On nodes in SP2, add the following route to the switch network of SP21:

route add -net 192.168.14 -netmask 255.255.255.0 -mtu 65280 \

192.168.13.16

The -mtu parameter is optional but should be set to ensure optimal packet size on this route.

4. Check for correct routing entry:

root@sp2n01:/ netstat -rn

 

 

 

 

 

 

Routing tables

 

 

 

 

 

 

 

Destination

Gateway

Flags

Refs

Use

If

PMTU

Exp Groups

Route Tree for Protocol Family 2 (Internet):

 

 

 

 

default

192.168.3.37

UG

1

398

en0

-

-

10.1.1/24

192.168.13.4

UG

0

94

css0

-

-

127/8

127.0.0.1

U

8

541

lo0

-

-

192.168.3/24

192.168.3.1

U

11

1065877

en0

-

-

192.168.13/24

192.168.13.1

U

2

76677

css0

-

-

192.168.14/24

192.168.13.16

UG

0

431146

css0 65520

-

Route Tree for Protocol Family 24 (Internet v6):

 

 

 

::1

::1

UH

0

0

lo0 16896

-

5. On GRF 1600, check /etc/grifconfig.conf for the following entry:

gt030

192.168.14.4

255.255.255.0

-

mtu

65520

gt040

192.168.13.16

255.255.255.0

-

mtu

65520

6.On the CWS of SP2 and on the CWS of SP21, check if SP Switch Router Adapter cards are configured. Check if the SP Switch Router Adapter

Multiple RS/6000 SPs and One SP Switch Router 205

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Lexmark IBM 9077 manual Gt030 192.168.14.4 255.255.255.0 Mtu 65520 Gt040