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PostPosted: Wed Nov 09, 2016 4:51 pm 

Joined: Sat Dec 08, 2007 10:22 am
Posts: 9
Location: Charlotte, NC

22 May 2016 I wrote detailing a build for a ThinkPad T61 Headless Firewall on Fedora 23.

I've been using this firewall ever since but noticed occasional "hitching" when playing games or using VOIP where everything just stops for 2 to 20 seconds. The challenge is it is infrequent so difficult to test. I have tested using ping and discovered complete packet loss during the periods of hitching I experience (via game or voip).

My question: Is my ThinkPad (see hw detail, below) powerful enough to support being a router, dns, and firewall for a 300mb/s connection?

HW Details:
1 ThinkPad T61 Type 7663-CTO
- Note: For those that aren't TP-experts the "CTO" means "Configured To Order".
- 2G Memory, 200GB HD, ethernet: Intel Corp. 82566MM Gigabit (sb NIC)

1 Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)

~]# dmidecode | grep Version
   Version: xxxxxxxx (2.29 )
   Version: ThinkPad T61
   Version: Not Available
   Version: Not Available
   Version: Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz
   SBDS Version: 03.01


PostPosted: Wed Nov 09, 2016 5:01 pm 

Joined: Mon Sep 18, 2006 5:17 am
Posts: 17238
Location: Mt. Cobb, PA USA
At just 2GB RAM that machine is totally underpowered.
It can have up to 8GB and should have at least 2x2GB.
I'm aware that Linux normally needs less RAM, but still...
Also, putting in a ~250GB SSD instead of that HD would speed up things considerably.

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