In Oracle database appliance. Interconnect uses jumbo frame, all others NIC use regular 1500 frame.
There is a very interesting testing article in Oracle blog regarding use jumbo frame to improve proceeding speed as well as reduce server load. "Jumbo Frames for RAC Interconnect by Rene Kundersma".
This is the beauty of packaged product. There is no worry about the none standard frame causing compatibility issues.
ifconfig -a
bond0 UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
...
bond1 UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
bond2 UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
eth0 Link encap:Ethernet HWaddr 00:21:28:F9:19:3E
inet addr:192.168.16.25 Bcast:192.168.16.255 Mask:255.255.255.0
inet6 addr: fe80::221:28ff:fef9:193e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1
RX packets:83864468 errors:0 dropped:0 overruns:0 frame:0
TX packets:88488696 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:100590633610 (93.6 GiB) TX bytes:109000919319 (101.5 GiB)
Interrupt:28 Memory:dee80000-deea0000
eth0:1 Link encap:Ethernet HWaddr 00:21:28:F9:19:3E
inet addr:169.254.74.231 Bcast:169.254.127.255 Mask:255.255.128.0
UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1
Interrupt:28 Memory:dee80000-deea0000
eth1 Link encap:Ethernet HWaddr 00:21:28:F9:19:3F
inet addr:192.168.17.25 Bcast:192.168.17.255 Mask:255.255.255.0
inet6 addr: fe80::221:28ff:fef9:193f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1
RX packets:72255555 errors:0 dropped:0 overruns:0 frame:0
TX packets:76183594 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:55355355888 (51.5 GiB) TX bytes:78343835583 (72.9 GiB)
Interrupt:40 Memory:deee0000-def00000
eth1:1 Link encap:Ethernet HWaddr 00:21:28:F9:19:3F
inet addr:169.254.211.232 Bcast:169.254.255.255 Mask:255.255.128.0
UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1
Interrupt:40 Memory:deee0000-def00000
eth2
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
eth3 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
eth4 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
eth5 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
eth6 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
eth7 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
eth8 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
eth9 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:196742468 errors:0 dropped:0 overruns:0 frame:0
TX packets:196742468 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:87192154769 (81.2 GiB) TX bytes:87192154769 (81.2 GiB)
xbond0 Link encap:Ethernet HWaddr 90:E2:BA:1A:A7:58
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
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