Replaced an aging powerrouter 732 with a CCR-1036. Set up as a
transparent bridge for traffic shaping. Passing 478M peak with 8200
interface bridge filter rules and 8000 queue tree entries, cpu
utilization peaks at about 50 and all 36 CPUs are in use according to
/system resource cpu print
The 732 started giving us CPU limitations at about 240Mbps. The whole
thing could be reworked so we didn't have so many filter rules or queue
tree entries, but the original installation replaced a MAC based
bandwidth limiter and they wanted to keep that setup.
Other than some lockup issues we had on ROS versions before 6.7 we have
been pretty happy with the box and for under $1k it is hard to beat.
On 01/24/2014 03:53 PM, Tom DeReggi wrote:
Hi everyone. Been awhile since Ive been here, so not sure if this is a
redundant topic or not.
Anyone got experience with Mikrotik on their newer Multi-Core
platform, using as a Core Router for interconnecting multiple Gig
backbone connections (w/ BGP, OSPF, Queues, Firewalls, VLAN tagging)?
To be more specific.... Comparing Mikrotik's 36 core 1.2Ghz models to
say a third party Quad core 3Ghz model.
What do we need 36 cores for, when we got 11 eth ports? Are they even
used by software? Is later Mikrotik Firmware allowing....
- multiple processors to handle a singe NIC port?
- which Mikrotik software features are able to effectively spread
accross to a unique processor or use multiple processors?
Is 1.2Ghz enough?
Do the embedded NICs in the 36core units pass full Gig capacity? (In
past, we learned depending on which NIC and driver brand, a NIC could
pass as low as only 30% of full capacity w/ large packets, where as
a later generation PCIE w/ ATIO Intel could pass upward of 90% of full
capacity w/ small packets.)
Im asking because back in the day, there were many Linux services
relating to routing that were written to be only single processor support.
Because of this, it was important to have the highest speed Ghz
processor possible, since some critical services (the bottleneck)
would share only 1 primary processor, regardless of how many
processors were in the router.
In past experience specific to Mikrotiktik, I often ran into issues
with added features (firewall rules, Queues, etc) drastically draining
the processing power of a MT router slowing throughput way below the
theoretical published port throughput.
For example, can Queues or Firewalls spread multiple processors?
Can these 36core units handle bandwdith management (Limiting or
Queues) for high speed subscribers, such as 100mb and 200 mbps customers?
In the GUI of v6.7, I dont see anything higher than 2mb or 10mb
depending on location of parameter.
Tom DeReggi
RapidDSL & Wireless, Inc
301-515-7774
IntAirNet - Fixed Wireless Broadband
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