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Single RS/6000 SP and Single SP Switch Router 161
On the chosen nodes in SP21,
ping the ATM interface of the F50:
If these
ping commands fail, check routing settings again. If everything is
as it should be, try to
ping the GRF Ethernet media card or the GRF SP
Switch media card to find out which part is failing:
ping 192.168.14.4 (on chosen SP21 processor nodes)
ping 10.20.30.1 (on F50)
If any errors occur, check cabling, the configuration of SP Switch Router
media cards (See Section 3.7, “Step-by-Step Media Card Configuration”
on page 86 and Section 4.1, “Ethernet 10/100Base-T Configuration” on
page 105) and network adapters in the F50 and the SP nodes.
Performance:
To get a rough overview of the data transfer rates that can be achieved in this
scenario, we used ftp to conduct several file transfers of a 300 MB file from
the F50 to the chosen nodes in SP21. We sent this file to /dev/null on the
SP21 nodes to eliminate any hard disk influence on the receiver side:
(0)f50:/ 29$ ping 192.168.14.15
PING 192.168.14.15: (192.168.14.15): 56 data bytes
64 bytes from 192.168.14.15: icmp_seq=0 ttl=254 time=0 ms
64 bytes from 192.168.14.15: icmp_seq=1 ttl=254 time=0 ms
64 bytes from 192.168.14.15: icmp_seq=2 ttl=254 time=0 ms
^C
----192.168.14.15 PING Statistics----
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 0/0/0 ms
(0)f50:/ 30$
root@sp21n01:/ ping f50
PING f50: (10.20.30.50): 56 data bytes
64 bytes from 10.20.30.50: icmp_seq=0 ttl=254 time=1 ms
64 bytes from 10.20.30.50: icmp_seq=1 ttl=254 time=0 ms
64 bytes from 10.20.30.50: icmp_seq=2 ttl=254 time=0 ms
^C
----f50 PING Statistics----
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 0/0/1 ms
root@sp21n01:/