Cisco PIX 525 Spezifikationen PDF herunterladen (Seite 352)

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101

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Cisco PIX Firewall and VPN Configuration Guide

78-15033-01

Chapter 9 Accessing and Monitoring PIX Firewall

Using SNMP

Viewing System Buffer Usage

You can view the system buffer usage from the Cisco Firewall MIB in multiple rows of the

cfwBufferStatsTable. The system buffer usage provides an early warning of the PIX

Firewall reaching

the limit of its capacity. On the command line, you can view this information with the show blocks

command. The following is sample output from the show blocks command to demonstrate how

cfwBufferStatsTable is populated.

show blocks

SIZE MAX LOW CNT

4 1600 1600 1600

80 100 97 97

256 80 79 79

1550 780 402 404

65536 8 8 8

You can view cfwBufferStatsTable at the following path:

.iso.org.dod.internet.private.enterprises.cisco.ciscoMgmt.ciscoFirewallMIB.

ciscoFirewallMIBObjects.cfwSystem.cfwStatistics.cfwBufferStatsTable

Table 9-13 lists the objects required to view the system block usage.

Ta b l e 9-13 System Block Usage Objects

Object Object Type

First Row: Returned

Value

Next Row: Returned

Value

Next Row: Returned

Value

cfwBufferStatSize

(Table index)

Unsigned32 integer (SIZE value;

for example, 4 for a

4-byte block)

integer (SIZE value;

for example, 4 for a

4-byte block)

integer (SIZE value;

for example, 4 for a

4-byte block)

cfwBufferStatType

(Table index)

ResourceStatistics 3 (MAX) 5 (LOW) 8 (CNT)

cfwBufferStatInformation SnmpAdminString maximum number of

allocated integer byte

blocks (integer is the

number of bytes in a

block)

fewest integer byte

blocks available since

system startup

(integer is the number

of bytes in a block)

current number of

available integer byte

blocks (integer is the

number of bytes in a

block)

cfwBufferStatValue Gauge32 integer (MAX

number)

integer (LOW

number)

integer (CNT number)

Note The three rows repeat for every block size listed in the output of the show blocks command.

1 2 ... 347 348 349 350 351 352 353 354 355 356 357 ... 465 466

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