https://community.cisco.com/t5/network-security/span-for-ids/m-p/3861537#M31957 <P>Hello all,</P><P>Can somebody help to understand our solution please?</P><P>We have dedicated aggregation switch for SPAN, to aggregate access SPAN ports.</P><P>1) How can I check that all access switches are SPAN properly?&nbsp;</P><P>2) Is local SPAN configuration correct or we must use remote SPAN?</P><P>&nbsp;</P><P>When I check MAC addresses on aggregation switch I see MAC's only on port 1/3 and 1/2 and nothing is on 1/4.</P><P>What is the best way to confirm SPAN works?</P> Fri, 21 Feb 2020 17:09:44 GMT Michal Valach 2020-02-21T17:09:44Z https://community.cisco.com/t5/network-security/span-for-ids/m-p/3861537#M31957 <P>Hello all,</P><P>Can somebody help to understand our solution please?</P><P>We have dedicated aggregation switch for SPAN, to aggregate access SPAN ports.</P><P>1) How can I check that all access switches are SPAN properly?&nbsp;</P><P>2) Is local SPAN configuration correct or we must use remote SPAN?</P><P>&nbsp;</P><P>When I check MAC addresses on aggregation switch I see MAC's only on port 1/3 and 1/2 and nothing is on 1/4.</P><P>What is the best way to confirm SPAN works?</P> Fri, 21 Feb 2020 17:09:44 GMT https://community.cisco.com/t5/network-security/span-for-ids/m-p/3861537#M31957 Michal Valach 2020-02-21T17:09:44Z https://community.cisco.com/t5/network-security/span-for-ids/m-p/3861541#M31960 <P>Picture&nbsp;</P> Thu, 23 May 2019 11:46:45 GMT https://community.cisco.com/t5/network-security/span-for-ids/m-p/3861541#M31960 Michal Valach 2019-05-23T11:46:45Z