I just looked and mine is only 128M on the CFEB. As with the RE, is there a third party memory upgrade that could be bought? Part Numbers welcome.
Brendan On 2/4/10 12:53 PM, "sth...@nethelp.no" <sth...@nethelp.no> wrote: >> Sounds like we'll need the RE-850 if we want to take more than our 2 full >> feeds >> though -- although others have said we may run out of CFEB RAM first? Excuse >> the newbie question, but what is the CFEB RAM used for -- we have one router >> with one full feed and the CFEB is at 42% RAM, another with two full feeds >> and >> the CFEB is at 42% also... > > The CFEB memory utilization you get from "show chassis cfeb", e.g. > > CFEB status: > State Online > Intake temperature 39 degrees C / 102 degrees F > Exhaust temperature 46 degrees C / 114 degrees F > CPU utilization 11 percent > Interrupt utilization 0 percent > Heap utilization 26 percent > Buffer utilization 27 percent > Total CPU DRAM 256 MB > > is only part of the story. This shows the DRAM memory on the CFEB, > which is used for the operating system kernel running there, a copy > of the RIB, and some other stuff. > > What is equally important is the high speed memory used for packet > pushing (static RAM for the traditional CFEB), which is a rather > small amount, and which you only see if you login to the CFEB and > use the "show jtree 0 memory" command. E.g.: > > CSBR0(ar1.xxx vty)# show jtree 0 memory > Memory Statistics: > 8388608 bytes total (2 banks) > 5017384 bytes used > 3371224 bytes free > 8128 pages total > 4876 pages used > 3252 pages free > 31 max freelist size > > This memory holds the FIB, nexthops and similar stuff. > > Notice only *8 Megabytes* total, and about 60% of this memory in use > in the example above. If you run out of *this* memory, your box is in > real trouble. > > The "plain old" M7i/M10i CFEB comes with 128 MBytes of CFEB DRAM, > which can be upgraded to 256 MBytes. 256 MBytes is mentioned as a > requirement for JunOS 9.x. > > The CFEB SRAM cannot be upgraded (but you can buy a new enhanced > CFEB instead...) > > Steinar Haug, Nethelp consulting, sth...@nethelp.no > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp