I'm new to Shorewall, but not to Linux.
I've been brought on to a project where the Shorewall seems to be hindering
the overall bandwidth out to the cloud.
The business has a 50M x 5M fiber circuit with TW Cable.
When they run a speed test from inside the LAN, they are getting horrible
download speeds. Less than 3MB!
The TW Level III Tech indicated that he felt that it was the Firewall that
was causing the issues.
My job is to figure out if that is the case.
After poking around, I ran the following command: /sbin/mii-tool -v eth_wan
and got these results:
eth_wan: negotiated 100baseTx-FD flow-control, link ok
product info: vendor 00:50:43, model 11 rev 1
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
flow-control
link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
That looks to me like it is negotiating only a 100 Megabit connection.
Is that correct?
What else can I do to see what is going on?
Here is some more info:
Linux firewall 3.2.1-gentoo-r2 #2 SMP Fri Sep 21 16:28:20 CDT 2012 x86_64
Intel(R) Atom(TM) CPU D525 @ 1.80GHz Genuine Intel GNU/Linux
I'm afraid to make any changes as I don't want to bring this entire business
down, but I need to positive identify, if not resolve the issue.
Can anyone kindly please advise?
Thanks!
Tadd in Austin, TX
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