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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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IAP 207 Cant connect to certain Public IPs

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  • 1.  IAP 207 Cant connect to certain Public IPs

    Posted Dec 15, 2018 10:38 PM

    Hi,

     

     I deploy multiple IAP 207 with latest firmware as pure AP to replace existing old AP. DHCP was assigned by Firewall. After replace Aruba IAP, 2 strange problem appear

     

    1. User notebook was connected with Aruba AP SSID WIFI running perfectly. After a while(randomly), it will then appear No internet on their notebook. When I perform troubleshooting, from user notebook I cant even ping to Aruba AP IP. Ipconfig show that the assigned DHCP IP still exist and WIFI still conected to Aruba AP SSID. I need to disconnect and re-connect again to make it work.

     

    2. From user notebook, it always cant ping to 175.136.241.158 public IP. It intermitten able to ping but most of the time is timeout. Firewall non blocking, when using old AP. Ping to above public IP was no problem. In Aruba, no specific block rules was created

     

    Below are my IAP configuration file for your reference.

     

    version 8.3.0.0-8.3.0
    virtual-controller-country MY
    virtual-controller-key 8batac51863b701ac56b65d89eacf71348b3b72104a2eee84374bae
    name "Aruba VC"
    terminal-access
    ntp-server 183.177.72.202
    clock timezone Singapore 08 00
    rf-band all

    allow-new-aps
    allowed-ap b0:b8:67:c1:bc:9e

     

    arm
    wide-bands 5ghz
    80mhz-support
    min-tx-power 18
    max-tx-power 127
    band-steering-mode prefer-5ghz
    air-time-fairness-mode default-access
    client-aware
    scanning


    syslog-level warn ap-debug
    syslog-level warn network
    syslog-level warn security
    syslog-level warn system
    syslog-level warn user
    syslog-level warn user-debug
    syslog-level warn wireless


    extended-ssid

     

     

    hash-mgmt-password
    hash-mgmt-user admin password hash

     

    wlan access-rule Staffs@Aruba
    index 0
    rule any any match any any any permit

    wlan access-rule default_wired_port_profile
    index 1
    rule any any match any any any permit

    wlan access-rule wired-SetMeUp
    index 2
    rule masterip 0.0.0.0 match tcp 80 80 permit
    rule masterip 0.0.0.0 match tcp 4343 4343 permit
    rule any any match udp 67 68 permit
    rule any any match udp 53 53 permit

    wlan ssid-profile Staffs@Aruba
    enable
    index 0
    type employee
    essid Staffs@Aruba
    wpa-passphrase 12345678ABCDEFAKE
    opmode wpa-psk-aes
    max-authentication-failures 0
    rf-band all
    captive-portal disable
    dtim-period 1
    inactivity-timeout 86400
    broadcast-filter arp
    content-filtering
    dmo-channel-utilization-threshold 90
    local-probe-req-thresh 0
    max-clients-threshold 64

    auth-survivability cache-time-out 24

     

    dpi

    url-visibility

    wlan external-captive-portal
    server localhost
    port 80
    url "/"
    auth-text "Authenticated"
    auto-whitelist-disable
    https


    blacklist-time 3600
    auth-failure-blacklist-time 3600


    ids
    wireless-containment none


    wired-port-profile wired-SetMeUp
    switchport-mode access
    allowed-vlan all
    native-vlan guest
    no shutdown
    access-rule-name wired-SetMeUp
    speed auto
    duplex auto
    no poe
    type guest
    captive-portal disable
    no dot1x

    wired-port-profile default_wired_port_profile
    switchport-mode trunk
    allowed-vlan all
    native-vlan 1
    shutdown
    access-rule-name default_wired_port_profile
    speed auto
    duplex full
    no poe
    type employee
    captive-portal disable
    no dot1x


    enet0-port-profile default_wired_port_profile

    uplink
    preemption
    enforce none
    failover-internet-pkt-lost-cnt 10
    failover-internet-pkt-send-freq 30
    failover-vpn-timeout 180


    airgroup
    disable

    airgroupservice airplay
    disable
    description AirPlay

    airgroupservice airprint
    disable
    description AirPrint

     


    cluster-security
    allow-low-assurance-devices



  • 2.  RE: IAP 207 Cant connect to certain Public IPs

    EMPLOYEE
    Posted Dec 16, 2018 12:56 AM
    Is your client connected to the 2.4ghz or 5gjz band when the issue happens?


  • 3.  RE: IAP 207 Cant connect to certain Public IPs

    Posted Dec 16, 2018 10:18 AM

    It was connected to 5Ghz band the issue happened

     



  • 4.  RE: IAP 207 Cant connect to certain Public IPs

    EMPLOYEE
    Posted Dec 16, 2018 10:27 AM

    What client OS is this?



  • 5.  RE: IAP 207 Cant connect to certain Public IPs

    Posted Dec 16, 2018 10:58 AM

    The client is using Windows 10 Pro with latest patch installed. Dell XPS notebook with latest drivers install as well. 

     

    If I will connect that notebook back to old AP, it work prefectly without problem.

     



  • 6.  RE: IAP 207 Cant connect to certain Public IPs

    EMPLOYEE
    Posted Dec 16, 2018 11:23 AM

    There is already Instant OS 8.3.0.3 out.  Please download 8.3.0.3 for the IAP-207 here:  http://support.arubanetworks.com/LifetimeWarrantySoftware/tabid/121/DMXModule/661/EntryId/31782/Default.aspx



  • 7.  RE: IAP 207 Cant connect to certain Public IPs

    Posted Dec 16, 2018 09:11 PM

    I already upgrade to latest firmware 8.3.0.3 prior posting. It doesn't solve the issue.

     



  • 8.  RE: IAP 207 Cant connect to certain Public IPs

    EMPLOYEE
    Posted Dec 17, 2018 04:33 AM

    How often does the issue occur and does it resolve itself?



  • 9.  RE: IAP 207 Cant connect to certain Public IPs

    Posted Dec 17, 2018 09:44 AM

    Within a day it happend 3-4 times. Once it appear "disconnected"  I cant even ping to Aruba AP IP or any of the IP in LAN. I need to disconnect the WIFI from the SSID and re-connect it back in order to resume the WIFI connectivity.



  • 10.  RE: IAP 207 Cant connect to certain Public IPs

    Posted Dec 17, 2018 08:59 PM

    Now we discovered new problem. Mobile phone that connected to Aruba AP, intermittently WhatsApp cant receive and send message. However, using network diagnostic tools from mobile phone, we can ping to Google, Cisco, whatsapp.com

     

    We need to disconnect the mobile phone from Aruba AP and connect back again then WhatsApp resume working.