How to modify network card speed

Question Posted / sbrahman75

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How to modify network card speed..

Answer / sbrahman75

# ndd –set /dev/hme instance 0

# ndd –get /dev/hme link_status

# ndd –get /dev/hme link_mode

To modify

# ndd –set /dev/eri instance 0

# ndd –set /dev/eri adv_100T4_cap0

# ndd –set /dev/eri adv_100fdx_cap1

# ndd –set /dev/eri adv_100hdx_cap0

# ndd –set /dev/eri adv_10fdx_cap0

# ndd –set /dev/eri adv_10hdx_cap0

# ndd –set /dev/eri adv_autoneg_cap0.

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How to modify network card speed..

Answer / mohammed mukram

The above is correct how ever I got real time logs, when I
changed the parameters. but this is only applicable for hme
or nge interfaces for interfaces like e1000g0 ,g1.. the
process is different, I m mentioning the process in the
second stage.

root@MSDPRTSrv1 #ndd -set /dev/nge0 adv_autoneg_cap 0

root@MSDPRTSrv1 # ndd -set /dev/nge0 adv_1000fdx_cap 1
root@MSDPRTSrv1 # ndd -set /dev/nge0 adv_100fdx_cap 0
root@MSDPRTSrv1 # ndd -set /dev/nge0 adv_100hdx_cap 0
root@MSDPRTSrv1 # ndd -set /dev/nge0 adv_10fdx_cap 0
root@MSDPRTSrv1 # ndd -set /dev/nge0 adv_10hdx_cap 0
root@MSDPRTSrv1 # ndd -get /dev/nge0 adv_autoneg_cap
0
root@MSDPRTSrv1 # ndd -get /dev/nge0 adv_1000fdx_cap
1
root@MSDPRTSrv1 # ndd -get /dev/nge0 adv_100fdx_cap
0
root@MSDPRTSrv1 # ndd -get /dev/nge0 adv_100hdx_cap
0
root@MSDPRTSrv1 # ndd -get /dev/nge0 adv_10fdx_cap
0
root@MSDPRTSrv1 # ndd -get /dev/nge0 adv_10hdx_cap
0
root@MSDPRTSrv1 # dladm show-dev
nge0 link: up speed: 1000 Mbps
duplex: full
nge1 link: down speed: 0 Mbps
duplex: unknown
e1000g0 link: up speed: 1000 Mbps
duplex: full
e1000g1 link: down speed: 0 Mbps
duplex: half
e1000g2 link: up speed: 1000 Mbps
duplex: full
e1000g3 link: down speed: 0 Mbps
duplex: half
e1000g4 link: unknown speed: 0 Mbps
duplex: half
e1000g5 link: up speed: 1000 Mbps
duplex: full

for e1000g0, e1000g1 ...

we need to change the parameters in the kernal drivers
#cd /kernel/drv

#vi e1000g0 , you will see all the possible options to for
full and half duplex. just change the values and save the file.