Re: 100G QSFP28 DAC cables - experience

2017-09-18 Thread joel jaeggli
On 9/6/17 00:17, Jiri Prochazka wrote: > Hi folks, > > I'm wondering if anyone have (either positive or negative) experience > with 100G QSFP28 DAC cables? I found the ones we tested to be substantially more finicky particularly at 5 meter then 10gig dacs, adding 4 x 25 sfp28 breakout on the other

RE: 100G QSFP28 DAC cables - experience

2017-09-14 Thread Naslund, Steve
evens Sent: Thursday, September 14, 2017 2:05 PM To: Tyler Conrad Cc: NANOG Subject: Re: 100G QSFP28 DAC cables - experience +1 on this... I'd go so far as to say skip the copper, and just go with active-optical for short-run interconnects. > Tyler Conrad <mailto:ty...@tgconrad.com> > Se

RE: 100G QSFP28 DAC cables - experience

2017-09-14 Thread Jameson, Daniel
: Thursday, September 14, 2017 2:05 PM To: Tyler Conrad Cc: NANOG Subject: Re: 100G QSFP28 DAC cables - experience +1 on this... I'd go so far as to say skip the copper, and just go with active-optical for short-run interconnects. > Tyler Conrad <mailto:ty...@tgconrad.com> > September

Re: 100G QSFP28 DAC cables - experience

2017-09-14 Thread Brant Ian Stevens
+1 on this... I'd go so far as to say skip the copper, and just go with active-optical for short-run interconnects. Tyler Conrad September 14, 2017 at 2:12 PM We're using a mix as well, some QSFP28 AOC, others DAC. One thing that you need to keep in mind about the D

Re: 100G QSFP28 DAC cables - experience

2017-09-14 Thread Tyler Conrad
We're using a mix as well, some QSFP28 AOC, others DAC. One thing that you need to keep in mind about the DACs is going to be the bend radius. These things are girthy af, so make sure to either overestimate your runs slightly, or buy one to test first. On Thu, Sep 14, 2017 at 11:54 AM, Hugo Slabbe

Re: 100G QSFP28 DAC cables - experience

2017-09-14 Thread Hugo Slabbert
On Wed 2017-Sep-06 09:17:39 +0200, Jiri Prochazka wrote: Hi folks, I'm wondering if anyone have (either positive or negative) experience with 100G QSFP28 DAC cables? Is there anyone who is using 100G DAC in large scale and would recommend it (which means there are no issues compared to SR

100G QSFP28 DAC cables - experience

2017-09-14 Thread Jiri Prochazka
Hi folks, I'm wondering if anyone have (either positive or negative) experience with 100G QSFP28 DAC cables? Is there anyone who is using 100G DAC in large scale and would recommend it (which means there are no issues compared to SR4 links)? I'm thinking about cables with lenght up to 1m, n