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Vlan taggin on sfp not working, Please help

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  • 1.  Vlan taggin on sfp not working, Please help

    Posted Aug 20, 2018 05:33 PM

    Hey guys,

    Thank you in advance for help on this one.  I have 2 aruba 2530 switches connected by Fiber on port 52 on both switches.  The root swith work perfect but my 2nd switch will not route traffice on my "guest" or "Mgmt" vlan.  The internal (defuatl vlan1) works on both ends so that vlan is working but the other 2 are not.  Im sure this is something simple but I am not seeing it.  Can any one give me a hand?  I will attach the running configs of both switches.  Thank you in advance.



  • 2.  RE: Vlan taggin on sfp not working, Please help

    Posted Aug 20, 2018 05:37 PM

    Root switch

    Running configuration:

    ; J9772A Configuration Editor; Created on release #YA.16.06.0006
    ; Ver #13:44.00.04.19.02.13.98.82.34.61.18.28.f3.84.9c.63.ff.37.27:43
    hostname "2530-48G-MUDO SIDE A"
    ip default-gateway 192.168.1.1
    interface 3
       name "X0"
       exit
    interface 5
       name "X2_Guest"
       exit
    interface 7
       name "X3_MGMT"
       exit
    interface 14
       name "AP1_MUDO_Office"
       exit
    interface 16
       name "AP2_Kitchen_Hallway"
       exit
    interface 18
       name "AP3_Oak_Rooom"
       exit
    interface 20
       name "AP4_Bar_Area"
       exit
    interface 26
       name "AP5_2nd_Floor_Right_of_stairs"
       exit
    interface 28
       name "AP6_2nd_Floor_Elevator"
       exit
    interface 30
       name "AP7_2nd_Floor_right_Side_banquet_hall"
       exit
    interface 32
       name "AP8_]2nd_Floor_Banquet_Hall_Middle"
       exit
    interface 38
       name "AP9_2nd_Floor_Banquet_Hall_Left_Side"
       exit
    interface 40
       name "AP10_2nd_Floor_Bar_area"
       exit
    interface 52
       name "Tie_To_Proshop"
       exit
    snmp-server community "public" unrestricted
    snmp-server location "MUDO office side"
    vlan 1
       name "DEFAULT_VLAN"
       no untagged 5,7
       untagged 1-4,6,8-13,15,17,19,21-25,27,29,31,33-37,39,41-51
       tagged 14,16,18,20,26,28,30,32,38,40,52
       ip address 192.168.1.240 255.255.255.0
       exit
    vlan 200
       name "Guest"
       untagged 5
       tagged 14,16,18,20,26,28,30,32,38,40,52
       no ip address
       exit
    vlan 300
       name "MGMT"
       untagged 7,14,16,18,20,26,28,30,32,38,40
       tagged 52
       ip address 10.10.101.240 255.255.255.0
       exit
    no tftp server
    no dhcp config-file-update
    no dhcp image-file-update
    password manager
    ----

    2nd switch - that is the switch that is getting the internal (x0) vlan but not the other 2 (x2 guest) (x3 mgmt)

    Running configuration:

    ; J9772A Configuration Editor; Created on release #YA.16.06.0006
    ; Ver #13:44.00.04.19.02.13.98.82.34.61.18.28.f3.84.9c.63.ff.37.27:43
    hostname "2530-48G-Pro Shop Side B"
    ip default-gateway 192.168.1.1
    interface 14
       name "AP11_Proshop_closest_to_bathroom"
       exit
    interface 16
       name "AP12_Next_to_Managers_office"
       exit
    interface 52
       name "Tie_From_Mudo_Side_A"
       exit
    snmp-server community "public" unrestricted
    snmp-server location "Pro Shop side B"
    vlan 1
       name "DEFAULT_VLAN"
       untagged 1-13,15,17-51
       tagged 14,16,52
       ip address 192.168.1.241 255.255.255.0
       exit
    vlan 200
       name "Guest"
       tagged 14,16,52
       no ip address
       exit
    vlan 300
       name "MGMT"
       untagged 14,16
       tagged 52
       ip address 10.10.101.241 255.255.255.0
       exit



  • 3.  RE: Vlan taggin on sfp not working, Please help

    Posted Aug 21, 2018 02:48 AM

    You need to decide if you want your switches to switch or to route. Why does switch #2 have an IP address in VLAN1?
    You have all 3 VLANs spanned between the two switches, so you don't have a VLAN problem.
    Your problem is most likely to lie in what your hosts are using as their "default gateway", and what the configuration at 192.168.1.1 is. I suspect you don't have routes for the subnet 10.10.101.0 on the device that has 192.168.1.1. You don't seem to have any routing in place for VLAN200.



  • 4.  RE: Vlan taggin on sfp not working, Please help

    Posted Aug 21, 2018 08:21 AM

    Thank you for the relpy Vince

    What I am working with is a Sonicwall that is delivering the DHCP to each vlan. the "x0" is my default vlan1, x2 is the guest vlan 200 and x3 the vlan 300 for mgmt.  The fist switch that the sonic wall is connected and working as it should.  The 2nd switch is not reciving traffic from the guest vlan 200 or the mgmt vlan 300.  The 2nd switch is recieving vlan1 traffic and working on that particular vlan.  All I want the 2nd switch to do is pass the traffic through to the first switch so it can see the sonicwall and get a DHCP address.  Is there any more information I can share or post that will help trouble shoot this more?  Thank you for the help so far.



  • 5.  RE: Vlan taggin on sfp not working, Please help

    Posted Aug 21, 2018 12:48 PM

    I wanted to reply to the forum incase some one else had this issue in the future.  The fix ended up being to enable GVRP on both switches.


    #SFP
    #gvrp
    #VLANTagging