From: David Baldwin (dbaldwin@networkinsight.com)
Date: Wed Jun 26 2002 - 10:17:53 EDT
Hi,
I am having a problem with errors reported by a Cisco switch connected
to a E220R. There have been numerous log entries on the switch
regarding ethernet errors. I tracked it down to what I think is a
problem with auto negotiation. The switch is set to auto-neg and from
what I gather with ndd so is the server. Here is the current status of
my hme0 interface
ndd -get /dev/hme link_status
1
ndd -get /dev/hme link_mode
0
ndd -get /dev/hme link_speed
1
ndd -get /dev/hme adv_autoneg_cap
1
ndd -get /dev/hme adv_100T4_cap
0
ndd -get /dev/hme adv_100fdx_cap
1
ndd -get /dev/hme adv_10fdx_cap
1
ndd -get /dev/hme adv_100hdx_cap
1
ndd -get /dev/hme adv_10hdx_cap
1
ndd -get /dev/hme autoneg_cap
1
ndd -get /dev/hme 100fdx_cap
1
ndd -get /dev/hme 10fdx_cap
1
ndd -get /dev/hme 100hdx_cap
1
ndd -get /dev/hme 10hdx_cap
1
It looks to me like the interface is running at half-duplex.
I was planning on doing the following:
ndd -set /dev/hme adv_autoneg_cap 0
ndd -set /dev/hme adv_100T4_cap 0
ndd -set /dev/hme adv_100fdx_cap 1
ndd -set /dev/hme adv_10fdx_cap 0
ndd -set /dev/hme adv_100hdx_cap 0
ndd -set /dev/hme adv_10hdx_cap 0
ndd -set /dev/hme autoneg_cap 0
ndd -set /dev/hme 100fdx_cap 1
ndd -set /dev/hme 10fdx_cap 0
ndd -set /dev/hme 100hdx_cap 0
ndd -set /dev/hme 10hdx_cap 0
What I am concerned about is that I am not sure what the "adv" means and
I don't want to set something that I am not 100% sure what it means. I
checked the ndd man page and the TCP man page with no findings.
Could someone give some insight as to what the difference is between
adv_100fdx_cap and 100fdx_cap and which one applies to the interface I
am trying to set? Also, if I were to execute the preceding commands
would setting both adv and non-adv params cause any grief?
Thanks in advance
Dave Baldwin
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