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160 IBM 9077 SP Switch Router: Get Connected to the SP Switch
-mtu 1500 10.20.30.1
2. Check for correct routing entry:
3. On the nodes in SP21 that are supposed to communicate with the F50,
add the following route:
route add -net 10.20.30.50 -netmask 255.255.255.0 \
-mtu 1500 192.168.14.4
4. Check for correct routing entry:
The -mtu parameter is optional but should be set to ensure optimal packet
size on this route.
5. Issue some
ping commands to check the connection:
On the F50,
ping the SP Switch interface of a chosen node in SP21:
(0)f50:/ 26$ netstat -rn
Routing tables
Destination Gateway Flags Refs Use If PMTU Exp Groups
Route Tree for Protocol Family 2 (Internet):
default 9.12.1.30 UG 4 288844 tr0 - -
9.12.1/24 9.12.1.50 U 24 41728 tr0 - -
10.1.1/24 10.1.1.3 U 0 0 at1 - -
10.20.30/24 10.20.30.50 U 1 0 en0 - -
127/8 127.0.0.1 U 5 753 lo0 - -
192.168.14/24 10.20.30.1 UG 0 2889408 en0 1500 -
Route Tree for Protocol Family 24 (Internet v6):
::1 ::1 UH 0 0 lo0 16896 -
(0)f50:/ 27$
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 176719 en0 - -
10.20.30/24 192.168.14.4 UG 0 2639453 css0 1500 -
127/8 127.0.0.1 U 8 529 lo0 - -
192.168.4/24 192.168.4.15 U 11 393829 en0 - -
192.168.13/24 192.168.14.4 UG 0 6323257 css0 9180 -
192.168.14/24 192.168.14.15 U 2 183033 css0 - -
Route Tree for Protocol Family 24 (Internet v6):
::1 ::1 UH 0 0 lo0 16896 -
root@sp21n01:/