How to remove Span configuration

[marcjone]

Hi all

I was recently required to span some ports on our 5500 switch, however, I have just tried to remove the config and I can still see references to the span configuration in the config

To disable the span I entered:

#set span disable

Now when I do a 'show span' I am still seeing output related to my original configuration as follows:

5500 (enable) show span

Status : disabled

Admin Source : Port 6/2

Oper Source : None

Destination : Port 6/20

Direction : transmit/receive

Incoming Packets: enabled

TNS-5500 (enable)

And also in the config as:

#switch port analyzer

!set span 6/2 6/20 both inpkts enable

set span disable

I have tried to remove the line above from the config but I haven't succeeded so far - Please can anyone advise on the correct syntax for removing this spanning config completely

Many thanks in advance - Marcus

[pmajumder]

Try specifying the mod/port as follows:

set span disable [dest_mod/dest_port | all]

[marcjone]

Many thanks for your reply

I tried your suggestion as follows:

5500 (enable) set span disable 6/20 all

Usage: set span enable

set span disable

set span

[rx|tx|both] [inpkts ]

set span

[rx|tx|both] [inpkts ]

I just can't seem to get the syntax right for this ...

[pmajumder]

Try set span disable 6/20. Attached is a the url for the command reference for span.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat5000/rel_6_3/cmd_ref/setsn_su.htm#wp1100100

[Steve Fuller]

There appears to be a difference depending upon the CatOS version in use. It seems that with CatOS 4.x you're not able to completely clear the SPAN configuration. I just cleared the configuration (clear config all) from our lab switch here and get the following:

Console> (enable) clear config all

[snip]

Console> (enable) sh config all

[snip]

#switch port analyzer

!set span 1 1/1 both inpkts disable

set span disable

!

[snip]

Console> (enable) sh span

Status : disabled

Admin Source : VLAN 1

Oper Source : None

Destination : Port 1/1

Direction : transmit/receive

Incoming Packets: disabled

So from that the correct syntax to reset to "default" configuration is:

set span 1 1/1 both inpkts disable

The case with a switch running CatOS 5.x is different. You can enable SPAN and then clear it with the "set span disable all" as shown below.

Sw-name> (enable) set span 1/1 2/1 both

Overwrote Port 2/1 to monitor transmit/receive traffic of Port 1/1

Incoming Packets disabled. Learning enabled. Multicast enabled.

Sw-name> (enable) sh span

Destination : Port 2/1

Admin Source : Port 1/1

Oper Source : Port 1/1

Direction : transmit/receive

Incoming Packets: disabled

Learning : enabled

Multicast : enabled

--------------------------------------------

Sw-name> (enable) set span disable all

This command will disable your span session(s).

Do you want to continue (y/n) [n]?y

Disabled all sessions

Sw-name> (enable) sh span

No span session configured

Regards

[marcjone]

Hi both

Many thanks for your assistance with this

Below is the output from my session - Spanning is disabled, although, I guess that some reference to Switch Port Analyzer is standard within CatOS configs ...

Cheers

Marcus

5500 (enable) sho span

Status : disabled

Admin Source : Port 6/2

Oper Source : None

Destination : Port 6/20

Direction : transmit/receive

Incoming Packets: enabled

5500 (enable) set span 6/2 6/20 both inpkts disable

SPAN destination port incoming packets disabled.

Enabled monitoring of Port 6/2 transmit/receive traffic by Port 6/20

5500 (enable) sho span

Status : enabled

Admin Source : Port 6/2

Oper Source : Port 6/1-2

Destination : Port 6/20

Direction : transmit/receive

Incoming Packets: disabled

TNS-5500 (enable)

5500 (enable) set span disable

Disabled monitoring of Port 6/2 transmit/receive traffic by Port 6/20

5500 (enable) sho span

Status : disabled

Admin Source : Port 6/2

Oper Source : None

Destination : Port 6/20

Direction : transmit/receive

Incoming Packets: disabled

#switch port analyzer

!set span 6/2 6/20 both inpkts disable

set span disable

[Steve Fuller]

Hi Marcus,

What you say is true for 4.x CatOS, but with 5.x, the command "set span disable" removes all configuration as well.

Regards

Steve

[marcjone]

Yes, your right Steve - We are running CatOS 4.x

It's an interesting quirk !!

Many thanks indeed for your help :)