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MAS - get a count of connected ports by VLAN

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  • 1.  MAS - get a count of connected ports by VLAN

    Posted Jan 17, 2019 01:59 PM

    Is there any way in the CLI of an S2500 switch to get a count of only the ports that are connected on a specific VLAN? I've tried show interface status | connected, but it doesn't seem to take an additional argument to pass only the info on a specified vlan, i.e., show interface status | connected,100 where '100' indicates the VID. I would be happy to use a report from AirWave to do this, also.

    Thanks.



  • 2.  RE: MAS - get a count of connected ports by VLAN
    Best Answer

    EMPLOYEE
    Posted Jan 27, 2019 04:53 AM

    some suggestions...Modify the include to also match vlan as well as connected. Note the use of a space after the vlan number to prevent 10 matching on 100 etc.

     

    (1500) #show interface status | include "connected   101 "
GE0/0/15 connected 101 a-full a-100 Mbps 10/100/1000Base-T

(1500) #
(1500) #show interface status | include "connected 1 " 
GE0/0/8 connected 1 a-full a-1 Gbps 10/100/1000Base-T
GE0/0/9 connected 1 a-full a-1 Gbps 10/100/1000Base-T
GE0/0/11 connected 1 a-full a-1 Gbps 10/100/1000Base-T
GE0/0/18 connected 1 a-full a-1 Gbps 10/100/1000Base-T
(1500) #

    see also "show vlan extensive" and "show vlan X extensive" and "show vlan X detail", ports showing an asterisk are up.

     

    (1500) # show vlan 101 detail 

U - Untagged member, T - Tagged member
* - Active interface
 
Dot1q tag: 101, Description: VLAN0101
Number of interfaces: 12, Active: 8, Non-Blocking: 8
VLAN membership:
Access:
   GE0/0/14(U) GE0/0/15*(U) 
Trunk:
   GE0/0/10(T) GE0/0/11*(T) GE0/0/12(T) GE0/0/18*(T) 
   GE0/0/19*(T) GE0/0/20*(T) GE0/0/21*(T) GE0/0/22*(T) 
   GE0/0/23*(T) GE0/1/1(T) 

(1500) #
(1500) # show vlan 101 extensive 

Dot1q tag: 101, Description: VLAN0101
Rapid PVST instance: 101
MAC aging time: 5 minutes
Number of interfaces: 12, Active: 8, Non-Blocking: 8
VLAN membership:
        GE0/0/10   Trunk  Trusted   Tagged
        GE0/0/11*  Trunk  Trusted   Tagged
        GE0/0/12   Trunk  Trusted   Tagged
        GE0/0/14   Access Trusted   Untagged
        GE0/0/15*  Access Trusted   Untagged
        GE0/0/18*  Trunk  Trusted   Tagged
        GE0/0/19*  Trunk  Trusted   Tagged
        GE0/0/20*  Trunk  Trusted   Tagged
        GE0/0/21*  Trunk  Trusted   Tagged
        GE0/0/22*  Trunk  Trusted   Tagged
        GE0/0/23*  Trunk  Trusted   Tagged
        GE0/1/1    Trunk  Trusted   Tagged

(1500) #

     

     

     



  • 3.  RE: MAS - get a count of connected ports by VLAN

    Posted Jan 29, 2019 01:13 PM

    Thanks for those tips! I had tried show interface status | include "connected <vlan#>" before, but wasn't aware of the need for a correct number of spaces, so it never produced any output. I was also unaware that in show vlan <vlan#> extensive that the asterisk indicated the port up. Those are all very helpful. Many thanks.