Confirm that the offload settings configured according to the
procedure in Case a, b, or c are the same as the values in the
following table.
Table 2-6 Offload option settings
NIC
scheduling
mode
Device name
Offload value
rx
tx
tso
sg
ufo
gso
gro
lro
Shared NIC
and virtual
NIC
Intel
®
1 Gbps
Ethernet
off
on
on
on
off
on
on
2
off
Dedicated
NIC
Intel
®
1 Gbps
Ethernet
off
off
off
on
2
off
on
on
2
off
Broadcom 1 Gbps
Ethernet
Intel
®
10 Gbps
Ethernet
on
on
on
on
off
on
off
off
Emulex 10 Gbps
Ethernet
on
on
on
on
off
on
on
off
VF NIC
1
Emulex 10 Gbps
Ethernet
on
on
on
on
off
on
on
off
Notes:
1
.
A NIC when the SR-IOV functionality is enabled.
2
.
The default value is "on", but "off" might be automatically set depending on the environment.
However, even if this value remains "off", no problems exist with operations.
Note: Do not use NetworkManager service. When NetworkManager
service is started, it has been shown that the following problem
occurred.
DNS server information registered in /etc/resolv.conf may be deleted.
Red Hat Enterprise Linux 6
2-23
Hitachi Compute Blade Series OS Installation Guide for Red Hat Enterprise Linux
