[j-nsp] 10 port GigE SFP PIC

[Bourgeois, Jacob (Jake)** CTR **]

MAC learning within this context is with regards to a service, such as
VPLS or Provider Bridged Transport, where MAC address are associated
with a given port as it is received and placed into the FIB
respectively.  So if you are using the ports as one would normally see
outside of a service, ie, broadcast or p-t-p it works as you would
expect having an arp table etc.

As for oversubscription, I know the 8 port IQ2 were oversub'd and I
would assume is the same with 10 port in this case.  Someone more close
to the product can prob give the ratio if so.

Thanks and Regards,
Jake Bourgeois  

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Lev Garantin
Sent: Monday, August 20, 2007 6:39 AM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] 10 port GigE SFP PIC

Hello,

looking at the following page, I have a couple questions.
 
http://www.juniper.net/techpubs/hardware/m320/m320-pic/gigabit-ethernet-
sfp.html

I'm not sure what to make of
  "The 10-port Gigabit Ethernet PIC with SFP does not support MAC
   accounting and policing, MAC learning, TPID, or flexible Ethernet
   encapsulation."

"no MAC learning" as in "no ARP"?

And does this PIC have a full 1Gbit/s bandwidth available per port into
the router or is there some kind of oversubscription happening (given a
FPC3)?

Thanks in advance and kind regards, Lev


       
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