Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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monitor session

Create a session for monitoring traffic with port monitoring.

Syntax
monitor session session-ID [type { rpm | erpm [set ip dscp dscp_value | set ip ttl ttl_value]}] [drop]

To delete a session, use the no monitor session session-ID command.

To delete all monitor sessions, use the no monitor session all command.

Parameters
session-ID
Enter a session identification number. The range is from 0 to 65535.
type
Specifies one of the following type:
  • rpm
  • erpm
rpm
Creates a remote port monitoring (rpm) session.
erpm
Creates an encapsulated remote port monitoring (erpm) session.
set ip dscp
Configures the Differentiated Services Code Point (DSCP) value of the packets in the Encapsulated Remote Switched Port Analyzer (ERSPAN) traffic. To revert to the default value, use the no form of this command.
dscp_value
DSCP value of the packets in the ERSPAN traffic. The range is from 0 to 63. The default value is 0.
set ip ttl
Configures the IP time-to-live (TTL) value of the Encapsulated Remote Switched Port Analyzer (ERSPAN) traffic. To revert to the default configuration, use the no form of this command.
ttl_value
IP TTL value of the ERSPAN traffic. The range is from 1 to 255. The default value is 255.
drop
Monitors only the dropped packets in the Ingress.
Defaults
none
Command Modes
CONFIGURATION
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100-ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100-ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.8(0.0)
Added the drop parameter.
9.7(0.0)
Introduced on the S6000-ON. Introduced the set ip dscp and set ip ttl parameters.
9.5(0.1)
Introduced on the Z9500.
9.4(0.0)
Introduced on the S4810, S4820T, S6000, and Z9000.
9.0.2.0
Introduced on the S6000.
9.0.2.0
Introduced on the MXL.
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
Usage Information
The monitor command is saved in the running configuration at Monitor Session mode level and can be restored after a chassis reload.
Example
DellEMC# show monitor session 
  SessID  Source         Destination         Dir  Mode  Source IP      Dest IP         DSCP  TTL
  ------  ------         -----------         ---  ----  ---------      --------        ----  ---
     0   Te 1/12           remote-ip         rx   Flow 1.1.1.1         7.1.1.2         0     255
     0   Po 1              remote-ip         tx   Flow 1.1.1.1         7.1.1.2         0     255
     1   Vl 11             remote-ip         rx   Flow 5.1.1.1         3.1.1.2         0     255
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