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S2500 30+ Seconds for clients to access the network

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  • 1.  S2500 30+ Seconds for clients to access the network

    Posted Dec 06, 2020 03:49 PM

    <><<><><

    Sorry I didn't notice the "To" Section until I hit post, Sorry for the inconvenience. This is not feedback, But rather seeking help.
    <><><><<><<

    I recently installed an Aruba S2500 48P into my network, Ever since clients have been taking over 30 seconds to get an address and successfully access the network. I've tried removing the switch and going straight into the DHCP/DNS Server, This drops the time to network access to less than 5 seconds. I'm not sure what logs would be helpful here so please let me know what would help. This is reproducible, every time I start these computers, or disable/enable an interface this will happen. Once they have their Connection all is well. I'm not 100% it's DHCP but seems the likely place as during the setup they can't access internal resources even via IP.
    I've tried going back to the Firmware that was on the switch when I got it, 7.4.0.2 - Issue persists here as well.
    I've tried on the native Vlan, and off - Same delay
    I've tried having the ports set as truck and access - same delay.

    Hardware
    Pfsense as Router/Firewall/DNS server/DHCP server

    Connected directly to Aruba S2500

    The switch has DHCP Disabled, DHCP Relay is also disabled.

    Windows machines, servers, and AP's then plugged into the switch.

    Software
    I've defined 5 Vlans both on the switch and in Pfsense. All other functionality is working correctly as far as I've seen.

    Again, I'm not sure exactly what would be helpful here, So please let me know and I will be sure to include it. Any help is greatly appreciated. Thanks for your time.

    Switch - Aruba S2500-48P 7.4.0.2/7.4.1.12
    DHCP Server - Pfsense 2.5.X
    Clients - Windows 10, Unifi AP, Ubuntu 20.04



    ------------------------------
    Matt S
    Model: ArubaS2500-48P (Primary)
    Version: 7.4.1.12
    ------------------------------


  • 2.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 07, 2020 04:14 AM
    Have you tried removing DHCP Snooping if enabled?

    https://community.arubanetworks.com/browse/articles/blogviewer?blogkey=671ed314-098b-40ed-a3d8-036577068d1a

    ------------------------------
    Craig Syme
    ------------------------------



  • 3.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 08, 2020 09:33 AM
    The description points to Spanning Tree Protocol (STP), which blocks ports for 30 seconds to detect network loops before a port becomes on-line.

    Do you have spanning tree possibly enabled (show spanning-tree)?

    ------------------------------
    Herman Robers
    ------------------------
    If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
    ------------------------------



  • 4.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 10, 2020 10:03 PM

    Thank you for the suggestions, DHCP Snooping was disabled, But Spanning tree was enabled. I was able to disable spanning tree, But then I lost access to the switch(The switch really lost access to random devices). I thought this was because I was doing it via ssh, So i bought a console cable. I have the same issue with the console cable. Once I disable spanning tree I lose access to random devices, I can ping the internet but not the router. I can ping some servers sometimes, I pinged on 3 times and got 40%, 100%, and 0%. So totally random results. Hopefully you can shed some light on this. I have a basic understanding of this but not enough apparently.
    It seems like the switch has a hard time communicating across the VLANS when STP is disabled. I can access resources on the native Vlan reliably but anything else is spotty at best. Let me know what else would be helpful here.

    My network is as follows.

    Modem into Pfsense 1 cable into the switch Then cables off to end points, with nothing coming back around. There are about 6 Vlan's setup. All the routing should be happening on PfSense(not sure if this is the cause)

    After the issues I was having I re-enabled spanning-tree and everything started working again, I ran "show spanning-tree" and it was blocking all the listed ports, not sure if this is normal as this was right after I enabled it again. Then I ran it later to paste into this thread and it is now mostly Forwarding.

    We can ignore all the later ports as I can remove them for Troubleshooting, The devices are connected as follows
    0/0 - Wan in(From PfSense)
    0/1 - Out to WAP(Unifi)
    0/2 - Out to Server (Proxmox, These ports are only for Corosync traffic(Internal communication between the Nodes of the Cluster))
    0/3 - Out to second server
    0/4 - Raspberry Pi
    0/5 - goes to a 4 port switch connected to Cameras
    0/10 - windows pc
    0/11 windows pc
    0/24 Another Pi
    0/25 -Nvidia Shield
    0/26 - Out to server
    0/27- Out to second server Vlan.
    PC0 is 2 ports in LACP for Freenas

    1/0 1/3 is just a SFP+ cable from one port to the other, Filling the slot basically, no function currently.

    (Aruba) #show spanning-tree
    
    
    MST 0
    Root ID            Address: 000b.86b1.21c0,  Priority: 32768
    Regional Root ID   Address: 000b.86b1.21c0,  Priority: 32768
    Bridge ID          Address: 000b.86b1.21c0,  Priority: 32768
    External root path cost 0, Internal root path cost 0
    Last TC received on intf GE0/1/3, on 2020-12-10 20:30:53 (MDT)
    
    
    Interface  Role  State  Port Id   Cost     Type
    ---------  ----  -----  -------   ----     ----
    GE0/0/0    Desg  FWD    128.1     20000    P2p
    GE0/0/1    Desg  FWD    128.2     20000    P2p
    GE0/0/2    Desg  FWD    128.3     20000    P2p
    GE0/0/3    Desg  FWD    128.4     20000    P2p
    GE0/0/5    Desg  FWD    128.6     20000    P2p
    GE0/0/10   Desg  FWD    128.11    20000    P2p
    GE0/0/11   Desg  FWD    128.12    2000000  P2p
    GE0/0/24   Desg  FWD    128.25    20000    P2p
    GE0/0/25   Desg  FWD    128.26    20000    P2p
    GE0/0/26   Desg  FWD    128.27    20000    P2p
    GE0/0/27   Desg  FWD    128.28    20000    P2p
    GE0/1/0    Desg  FWD    128.129   2000     P2p
    GE0/1/3    Bkup  BLK    128.132   2000     P2p
    Pc0        Desg  FWD    128.1441  18000    P2p
    

    (Aruba) #show vlan Detail
    
    U - Untagged member, T - Tagged member
    * - Active interface
    
    Dot1q tag: 1, Description: VLAN0001
    Number of interfaces: 42, Active: 6, Non-Blocking: 5
    VLAN membership:
    Access:
       GE0/0/8(U) GE0/0/9(U)
    Trunk:
       GE0/0/0*(U) GE0/0/0*(T) GE0/0/1*(U) GE0/0/1*(T)
       GE0/0/2*(U) GE0/0/2*(T) GE0/0/3*(U) GE0/0/3*(T)
       GE0/0/6(U) GE0/0/6(T) GE0/0/7(U) GE0/0/7(T)
       GE0/0/12(U) GE0/0/12(T) GE0/0/13(U) GE0/0/13(T)
       GE0/0/14(U) GE0/0/14(T) GE0/0/15(U) GE0/0/15(T)
       GE0/0/16(U) GE0/0/16(T) GE0/0/17(U) GE0/0/17(T)
       GE0/0/18(U) GE0/0/18(T) GE0/0/19(U) GE0/0/19(T)
       GE0/0/20(U) GE0/0/20(T) GE0/0/21(U) GE0/0/21(T)
       GE0/0/22(U) GE0/0/22(T) GE0/0/23(U) GE0/0/23(T)
       GE0/0/28(U) GE0/0/28(T) GE0/0/29(U) GE0/0/29(T)
       GE0/0/30(U) GE0/0/30(T) GE0/0/31(U) GE0/0/31(T)
       GE0/0/32(U) GE0/0/32(T) GE0/0/33(U) GE0/0/33(T)
       GE0/0/34(U) GE0/0/34(T) GE0/0/35(U) GE0/0/35(T)
       GE0/0/36(U) GE0/0/36(T) GE0/0/37(U) GE0/0/37(T)
       GE0/0/38(U) GE0/0/38(T) GE0/0/39(U) GE0/0/39(T)
       GE0/0/40(U) GE0/0/40(T) GE0/0/41(U) GE0/0/41(T)
       GE0/0/42(U) GE0/0/42(T) GE0/0/43(U) GE0/0/43(T)
       GE0/0/44(U) GE0/0/44(T) GE0/0/45(U) GE0/0/45(T)
       GE0/1/0*(U) GE0/1/0*(T) GE0/1/1(U) GE0/1/1(T)
       GE0/1/2(U) GE0/1/2(T) GE0/1/3*(U) GE0/1/3*(T)
    
    
    Dot1q tag: 2, Description: Secure
    Number of interfaces: 46, Active: 12, Non-Blocking: 11
    VLAN membership:
    Access:
       GE0/0/10*(U) GE0/0/11*(U) GE0/0/25*(U) GE0/0/26*(U)
       GE0/0/27*(U) Pc0*(U)
    Trunk:
       GE0/0/0*(T) GE0/0/1*(T) GE0/0/2*(T) GE0/0/3*(T)
       GE0/0/6(T) GE0/0/7(T) GE0/0/12(T) GE0/0/13(T)
       GE0/0/14(T) GE0/0/15(T) GE0/0/16(T) GE0/0/17(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) GE0/0/28(T) GE0/0/29(T)
       GE0/0/30(T) GE0/0/31(T) GE0/0/32(T) GE0/0/33(T)
       GE0/0/34(T) GE0/0/35(T) GE0/0/36(T) GE0/0/37(T)
       GE0/0/38(T) GE0/0/39(T) GE0/0/40(T) GE0/0/41(T)
       GE0/0/42(T) GE0/0/43(T) GE0/0/44(T) GE0/0/45(T)
       GE0/1/0*(T) GE0/1/1(T) GE0/1/2(T) GE0/1/3*(T)
    
    
    Dot1q tag: 5, Description: Cam
    Number of interfaces: 41, Active: 7, Non-Blocking: 6
    VLAN membership:
    Access:
       GE0/0/5*(U)
    Trunk:
       GE0/0/0*(T) GE0/0/1*(T) GE0/0/2*(T) GE0/0/3*(T)
       GE0/0/6(T) GE0/0/7(T) GE0/0/12(T) GE0/0/13(T)
       GE0/0/14(T) GE0/0/15(T) GE0/0/16(T) GE0/0/17(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) GE0/0/28(T) GE0/0/29(T)
       GE0/0/30(T) GE0/0/31(T) GE0/0/32(T) GE0/0/33(T)
       GE0/0/34(T) GE0/0/35(T) GE0/0/36(T) GE0/0/37(T)
       GE0/0/38(T) GE0/0/39(T) GE0/0/40(T) GE0/0/41(T)
       GE0/0/42(T) GE0/0/43(T) GE0/0/44(T) GE0/0/45(T)
       GE0/1/0*(T) GE0/1/1(T) GE0/1/2(T) GE0/1/3*(T)
    
    
    Dot1q tag: 8, Description: Kids
    Number of interfaces: 40, Active: 6, Non-Blocking: 5
    VLAN membership:
    Trunk:
       GE0/0/0*(T) GE0/0/1*(T) GE0/0/2*(T) GE0/0/3*(T)
       GE0/0/6(T) GE0/0/7(T) GE0/0/12(T) GE0/0/13(T)
       GE0/0/14(T) GE0/0/15(T) GE0/0/16(T) GE0/0/17(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) GE0/0/28(T) GE0/0/29(T)
       GE0/0/30(T) GE0/0/31(T) GE0/0/32(T) GE0/0/33(T)
       GE0/0/34(T) GE0/0/35(T) GE0/0/36(T) GE0/0/37(T)
       GE0/0/38(T) GE0/0/39(T) GE0/0/40(T) GE0/0/41(T)
       GE0/0/42(T) GE0/0/43(T) GE0/0/44(T) GE0/0/45(T)
       GE0/1/0*(T) GE0/1/1(T) GE0/1/2(T) GE0/1/3*(T)
    
    
    Dot1q tag: 10, Description: IOT
    Number of interfaces: 42, Active: 7, Non-Blocking: 6
    VLAN membership:
    Access:
       GE0/0/4(U) GE0/0/24*(U)
    Trunk:
       GE0/0/0*(T) GE0/0/1*(T) GE0/0/2*(T) GE0/0/3*(T)
       GE0/0/6(T) GE0/0/7(T) GE0/0/12(T) GE0/0/13(T)
       GE0/0/14(T) GE0/0/15(T) GE0/0/16(T) GE0/0/17(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) GE0/0/28(T) GE0/0/29(T)
       GE0/0/30(T) GE0/0/31(T) GE0/0/32(T) GE0/0/33(T)
       GE0/0/34(T) GE0/0/35(T) GE0/0/36(T) GE0/0/37(T)
       GE0/0/38(T) GE0/0/39(T) GE0/0/40(T) GE0/0/41(T)
       GE0/0/42(T) GE0/0/43(T) GE0/0/44(T) GE0/0/45(T)
       GE0/1/0*(T) GE0/1/1(T) GE0/1/2(T) GE0/1/3*(T)
    
    
    Dot1q tag: 14, Description: work
    Number of interfaces: 40, Active: 6, Non-Blocking: 5
    VLAN membership:
    Trunk:
       GE0/0/0*(T) GE0/0/1*(T) GE0/0/2*(T) GE0/0/3*(T)
       GE0/0/6(T) GE0/0/7(T) GE0/0/12(T) GE0/0/13(T)
       GE0/0/14(T) GE0/0/15(T) GE0/0/16(T) GE0/0/17(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) GE0/0/28(T) GE0/0/29(T)
       GE0/0/30(T) GE0/0/31(T) GE0/0/32(T) GE0/0/33(T)
       GE0/0/34(T) GE0/0/35(T) GE0/0/36(T) GE0/0/37(T)
       GE0/0/38(T) GE0/0/39(T) GE0/0/40(T) GE0/0/41(T)
       GE0/0/42(T) GE0/0/43(T) GE0/0/44(T) GE0/0/45(T)
       GE0/1/0*(T) GE0/1/1(T) GE0/1/2(T) GE0/1/3*(T)
    
    (Aruba) #show port status
    
    Interface  Admin   Line Protocol  Link  PoE      Trusted  Mode
    ---------  -----   -------------  ----  ---      -------  ----
    GE0/0/0    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/1    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/2    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/3    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/4    Enable  Down           Down  Enable   Yes      Access
    GE0/0/5    Enable  Up             Up    Enable   Yes      Access
    GE0/0/6    Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/7    Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/8    Enable  Down           Down  Enable   Yes      Access
    GE0/0/9    Enable  Down           Down  Enable   Yes      Access
    GE0/0/10   Enable  Up             Up    Enable   Yes      Access
    GE0/0/11   Enable  Up             Up    Enable   Yes      Access
    GE0/0/12   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/13   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/14   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/15   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/16   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/17   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/18   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/19   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/20   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/21   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/22   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/23   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/24   Enable  Up             Up    Enable   Yes      Access
    GE0/0/25   Enable  Up             Up    Enable   Yes      Access
    GE0/0/26   Enable  Up             Up    Enable   Yes      Access
    GE0/0/27   Enable  Up             Up    Enable   Yes      Access
    GE0/0/28   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/29   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/30   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/31   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/32   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/33   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/34   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/35   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/36   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/37   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/38   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/39   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/40   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/41   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/42   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/43   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/44   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/45   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/46   Enable  Up             Up    Disable
    GE0/0/47   Enable  Up             Up    Disable
    GE0/1/0    Enable  Up             Up             Yes      Trunk
    GE0/1/1    Enable  Down           Down           Yes      Trunk
    GE0/1/2    Enable  Down           Down           Yes      Trunk
    GE0/1/3    Enable  Up             Up             Yes      Trunk
    Pc0        Enable  Up             Up             Yes      Access
    
    (Aruba) #show port status
    
    Interface  Admin   Line Protocol  Link  PoE      Trusted  Mode
    ---------  -----   -------------  ----  ---      -------  ----
    GE0/0/0    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/1    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/2    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/3    Enable  Up             Up    Enable   Yes      Trunk
    GE0/0/4    Enable  Down           Down  Enable   Yes      Access
    GE0/0/5    Enable  Up             Up    Enable   Yes      Access
    GE0/0/6    Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/7    Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/8    Enable  Down           Down  Enable   Yes      Access
    GE0/0/9    Enable  Down           Down  Enable   Yes      Access
    GE0/0/10   Enable  Up             Up    Enable   Yes      Access
    GE0/0/11   Enable  Up             Up    Enable   Yes      Access
    GE0/0/12   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/13   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/14   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/15   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/16   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/17   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/18   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/19   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/20   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/21   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/22   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/23   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/24   Enable  Up             Up    Enable   Yes      Access
    GE0/0/25   Enable  Up             Up    Enable   Yes      Access
    GE0/0/26   Enable  Up             Up    Enable   Yes      Access
    GE0/0/27   Enable  Up             Up    Enable   Yes      Access
    GE0/0/28   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/29   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/30   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/31   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/32   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/33   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/34   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/35   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/36   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/37   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/38   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/39   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/40   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/41   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/42   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/43   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/44   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/45   Enable  Down           Down  Enable   Yes      Trunk
    GE0/0/46   Enable  Up             Up    Disable
    GE0/0/47   Enable  Up             Up    Disable
    GE0/1/0    Enable  Up             Up             Yes      Trunk
    GE0/1/1    Enable  Down           Down           Yes      Trunk
    GE0/1/2    Enable  Down           Down           Yes      Trunk
    GE0/1/3    Enable  Up             Up             Yes      Trunk
    Pc0        Enable  Up             Up             Yes      Access
    
    


    ------------------------------
    matt sorensen
    ------------------------------



  • 5.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 11, 2020 08:45 AM
    From what you describe, I suspect there is a 'loop' in your network and it is running over that port G0/1/3 with a SFP cable 'doing nothing'. Spanning-tree will prevent loops in you network by disabling ports that form a loop as if you have a loop packets will start going around in the network forever till it is dropped when an interface fills up. That also matches your losing access to the switch experience.

    If the G0/1/3 cable is doing nothing, where is it going?? I think if you remove it, and try again you may be in better luck.

    Either enable spanning-tree (STP) to prevent loops, and accept spanning tree delays (or configure 'portfast' on your ports); or when you disable STP make sure you will not ever have a loop in your network.

    ------------------------------
    Herman Robers
    ------------------------
    If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
    ------------------------------



  • 6.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 11, 2020 04:36 PM
    That cable just comes out port 1/0 and in 1/3, It came with the switch and I have yet to get other SFP+ equipment, So I use the cable as a protector of sorts to just keep the ports closed until I'm actually using them.I will remove it and try again. Thanks for the help

    ------------------------------
    matt sorensen
    ------------------------------



  • 7.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 11, 2020 07:02 PM
    I removed that cable, Then disabled spanning-tree again, and no issues now. I didn't understand the issue of connecting a cable like that. It feels like it should be obvious but It didn't occur to me. Thank you so much for your time. I really appreciate the help. If you have something handy you can link to that would explain what is happening when a switch is connected to itself I would appreciate it. If not no worries I will look into it myself. Thanks again.

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    matt sorensen
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  • 8.  RE: S2500 30+ Seconds for clients to access the network

    Posted Dec 14, 2020 05:30 AM
    If you prefer to have the cable in for dust protection, you can shut down the ports in the configuration to prevent a loop. Then insert the cable again.

    Good to hear you solved the problem.

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    Herman Robers
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    If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
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