Hi Daniel,
The table in the attached document is a bit confusing. I will request tech-pubs to make proper corrections and
make it more clear.
Please understand the limitations in this way:
This is per port basis of STM-1 QPP PIC:
Total number of interfaces (ifds) per port in JUNOS 5.7 = 168
Total number of interfaces (ifds) per port in JUNOS 6.0 = 336
Max E1's = 63 , per STM-1
-> I am explaning the distribution of 336 interfaces of STM1-QPP in JUNOS 6.0:
NxDS-0 = 256, If the "N" in NxDS-0 is 8 or less (if you select number of time-slots 8 or less for a channel
group)
If the "N" in NxDS-0 is 9 or more, you can make max of 336 interfaces including NxDS-0 and E1's.
In order to reach the max possible number of 336 interfaces per port of STM1-QPP PIC, you are free to make
partitions of E1's in any manner.
The limitation of NxDS-0 = 256 comes, when you try to make all NxDS-0 interfaces with time slots 8 or less.
n[NxDS-0] + m[Remaining E1's] = 336 (max.)
Thanks,
KK Verma
PS: In JUNOS 5.7 we had limitations of 128 NxDS-0, which has been improved in JUNOS 6.0 as explained above
Daniel wrote:
> Hi everybody.. how do you guys read the following table..
>
> http://www.juniper.net/techpubs/software/junos/junos60/feature-guide-60/html/fg-channelized-qpp2.html#1031725
>
> where it says maximum per pic for STM-1 128... but then nxDS0.. 310..
> pardon my ignorance but 310 is the max number of groups of DS0s right? and
> 128 is the maximum number of interfaces per PIC? so in reality.. you can
> only have 128 nxDS0s right?
>
> Thanks
>
> Daniel
>
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