[j-nsp] Need suggestions..

[Brendan Mannella]

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, "sthaug at nethelp.no" <sthaug at 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, sthaug at nethelp.no
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/juniper-nsp