[c-nsp] Multichannel STM1 (OC3) on 7600

sthaug at nethelp.no sthaug at nethelp.no
Mon Nov 1 11:55:43 EST 2004

> We're looking to terminate customer leased lines via E3 (34Mb/s) and 
> STM1 (OC3) aggregate bearer on a 7600 - but the OSM data sheets on 
> www.cisco.com are very confusing in terms of which cards can handle what 
> datarates on the physical interfaces and what they can be configured to 
> handle in terms of subchannels.
> Bizarrely, it seems as if Cisco have a product to handle multichannel 
> E3/T3 and STM4/OC12 on the 7600 "natively" (i.e. not via a FlexWAN 
> module) but not for STM1 - or am I missing something obvious?

You're correct. If you want channelized STM-1 on the 7600, your only
option is FlexWAN with the PA-MC-STM-1. This works okay, but is rather
expensive. A FlexWAN, of course, is basically a glorified VIP.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

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