Avaya Configuring Data Compression Services Manual de usuario descargar pdf (Pagina 56)

Configuring Data Compression Services

3-6

117352-E Rev 00

Table 3-3 shows the maximum number of 32 KB contexts each daughterboard or

net module can support.

You can combine 8 KB and 32 KB contexts on one daughterboard or net module.

However, if you bring VCs up and down, memory may fragment. Even when you

have 32 KB or more of compression memory available, if it is on different pages

you will not be able to configure a 32 KB context. To solve this problem, save

your configuration and reset the slot. When you reset the slot, available

compression memory is rearranged to be contiguous.

If you have available memory, you can always add an 8 KB context, because 8 KB

is the smallest divisible amount of compression memory.

Modifying the History Size

You can specify either 8 KB or 32 KB of local memory to maintain a compression

history.

Using the BCC

To modify the history size for a line or circuit, navigate to the appropriate prompt

(for example,

box

;

serial 3/1

;

ppp

;

wcp

), and enter

history-size <

size

size is 8k or 32k.

For example:

box#

serial 3/1

serial/3/1#

ppp

ppp/3/1#

wcp

wcp/3/1#

history-size 32k

Table 3-3. Hardware Compression: 32 KB Contexts

Daughterboard or Net Module

Maximum 32 KB

CPC Contexts

Available 8 KB

CPC Contexts

Reserved 8 KB

PPC Contexts

32-context 7 3 1

128-context 31 3 1

256-context (advanced

compression coprocessor

daughterboard)

63 3 1

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 107 108

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Avaya Configuring Data Compression Services Manual de usuario Pagina 56

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