Displaying ILB Statistics

This section describes how you can use the ilbadm command to obtain information such as the printing statistics for a server or statistics for a rule. You can also display NAT table information and the session persistence mapping table.

Obtaining Statistical Information

Use the ilbadm show-statistics subcommand to view load distribution details. The following example shows the usage of the show-statistics subcommand:

# ilbadm show-statistics
 PKT_P   BYTES_P   PKT_U   BYTES_U   PKT_D   BYTES_D
  9       636        0        0        0        0

PKT_P

Packets processed

BYTES_P

Bytes processed

PKT_U

Unprocessed packets

BYTES_U

Unprocessed bytes

PKT_D

Packets dropped

BYTES_D

Bytes dropped

Displaying the NAT Connection Table

Use the ilbadm show-nat subcommand to display the NAT connection table. No assumptions should be made about the relative positions of elements in consecutive runs of this command. For example, executing {{ ilbadm show-nat 10}} twice is not guaranteed to show the same 10 items twice, especially on a busy system. If a count value is not specified, the entire NAT connection table is displayed.

Example 12-7 NAT Connection Table Entries

The following example displays five entries from the NAT connection table.

# ilbadm show-nat 5
UDP: 124.106.235.150.53688 > 85.0.0.1.1024 >>> 82.0.0.39.4127 > 82.0.0.56.1024
UDP: 71.159.95.31.61528 > 85.0.0.1.1024 >>> 82.0.0.39.4146 > 82.0.0.55.1024
UDP: 9.213.106.54.19787 > 85.0.0.1.1024 >>> 82.0.0.40.4114 > 82.0.0.55.1024
UDP: 118.148.25.17.26676 > 85.0.0.1.1024 >>> 82.0.0.40.4112 > 82.0.0.56.1024
UDP: 69.219.132.153.56132 > 85.0.0.1.1024 >>> 82.0.0.39.4134 > 82.0.0.55.1024

The format of entries is as follows:

T: IP1 > IP2 >>> IP3 > IP4

T

Transport protocol used in this entry

IP1

Client's IP address and port

IP2

VIP and port

IP3

If half-NAT mode, the client's IP address and port.

If full-NAT mode, the client's IP address and port.

IP4

Back-end server's IP address and port.

Displaying the Session Persistence Mapping Table

Use the ilbadm show-persist subcommand to display the session persistence mapping table.

Example 12-8 Session Persistence Mapping Table Entries

The following example displays five entries from the session persistence mapping table:

# ilbadm show-persist 5
rule2: 124.106.235.150 --> 82.0.0.56
rule3: 71.159.95.31 --> 82.0.0.55
rule3: 9.213.106.54 --> 82.0.0.55
rule1: 118.148.25.17 --> 82.0.0.56
rule2: 69.219.132.153 --> 82.0.0.55

The format of entries is as follows:

R: IP1 --> IP2

R

Rule that this persistence entry is tied to.

IP1

Client's IP address.

IP2

Back-end server's IP address.