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DHCP IP Address Assignment Stop Data VLAN - HPE 5900AF-48XG-4QSFP+ Switch-2432P06

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  • 1.  DHCP IP Address Assignment Stop Data VLAN - HPE 5900AF-48XG-4QSFP+ Switch-2432P06

    Posted Apr 11, 2019 09:29 AM

    We are facing issue since very long that Users in Data VLAN stop getting IP Address from DHCP Server. For recovery we need to admin down and up the SVI (L3 VLAN), after bounce L3 VLAN Services start working. Earlier we were suspecting some firmware bug, hence we upgraded the firmware from 5900_5920-cmw710-system-r2422p02.bin to 5900_5920-cmw710-system-r2432p06.bin, but still is persisting. Can anybody help me for permanent fix for this issue. I am pasting some require information below

    <core001>display version
    HPE Comware Software, Version 7.1.045, Release 2432P06
    Copyright (c) 2010-2018 Hewlett Packard Enterprise Development LP
    HPE 5900AF-48XG-4QSFP+ Switch uptime is 0 weeks, 2 days, 4 hours, 18 minutes
    Last reboot reason : USER reboot

    Boot image: flash:/5900_5920-cmw710-boot-r2432p06.bin
    Boot image version: 7.1.045, Release 2432P06
      Compiled Jan 30 2018 16:00:00
    System image: flash:/5900_5920-cmw710-system-r2432p06.bin
    System image version: 7.1.045, Release 2432P06
      Compiled Jan 30 2018 16:00:00
    Feature image(s) list:
      flash:/5900_5920-cmw710-packet-capture-r2432p06.bin, version: 7.1.045
        Compiled Jan 30 2018 16:00:00


    Slot 1:
    Uptime is 0 weeks,2 days,4 hours,18 minutes
    5900AF-48XG-4QSFP+ Switch with 2 Processors
    BOARD TYPE:         5900AF-48XG-4QSFP+ Switch
    DRAM:               2048M bytes
    FLASH:              512M bytes
    PCB 1 Version:      VER.B
    Bootrom Version:    157
    CPLD 1 Version:     004
    CPLD 2 Version:     002
    Release Version:    HPE 5900AF-48XG-4QSFP+ Switch-2432P06
    Patch Version  :    None
    Reboot Cause  :     UserReboot
    [SubSlot 0] 48SFP Plus+4QSFP Plus

    Slot 2:
    Uptime is 0 weeks,2 days,4 hours,18 minutes
    5900AF-48XG-4QSFP+ Switch with 2 Processors
    BOARD TYPE:         5900AF-48XG-4QSFP+ Switch
    DRAM:               2048M bytes
    FLASH:              512M bytes
    PCB 1 Version:      VER.B
    Bootrom Version:    157
    CPLD 1 Version:     004
    CPLD 2 Version:     002
    Release Version:    HPE 5900AF-48XG-4QSFP+ Switch-2432P06
    Patch Version  :    None
    Reboot Cause  :     UserReboot
    [SubSlot 0] 48SFP Plus+4QSFP Plus
    <core001>

    <ussnnra-core001>display current-configuration interface Vlan736
    #
    interface Vlan-interfaceXXX
     description WLAN-XXX-001
     ip binding vpn-instance local_lan
     ip address 10.X.X.1 255.255.254.0
     igmp enable
     igmp fast-leave
     igmp version 3
     dhcp select relay
     dhcp relay server-address 10.X.X.52
     dhcp relay server-address 10.X.X.76
     dhcp relay server-address 10.X.X.58
     udp-helper server 10.X.X.52
     udp-helper server 10.X.X.76
    #
    return
    <core001>

    <core001>display vlan 7XX
     VLAN ID: 7XX
     VLAN type: Static
     Route interface: Configured
     IPv4 address: 10.X.X.1
     IPv4 subnet mask: 255.255.254.0
     Description: WLAN_XXX-001
     Name: VLAN 0736
     Tagged ports:
        Bridge-Aggregation11          Bridge-Aggregation12
        Bridge-Aggregation13          Bridge-Aggregation15
        Bridge-Aggregation16          Bridge-Aggregation18
        Bridge-Aggregation24
        Ten-GigabitEthernet1/0/34
        Ten-GigabitEthernet1/0/35
        Ten-GigabitEthernet1/0/36
        Ten-GigabitEthernet1/0/37
        Ten-GigabitEthernet1/0/38
        Ten-GigabitEthernet1/0/39
        Ten-GigabitEthernet1/0/41
        Ten-GigabitEthernet2/0/34
        Ten-GigabitEthernet2/0/35
        Ten-GigabitEthernet2/0/36
        Ten-GigabitEthernet2/0/37
        Ten-GigabitEthernet2/0/38
        Ten-GigabitEthernet2/0/39
        Ten-GigabitEthernet2/0/41
     Untagged ports: None

     



  • 2.  RE: DHCP IP Address Assignment Stop Data VLAN - HPE 5900AF-48XG-4QSFP+ Switch-2432P06

    Posted Apr 17, 2019 10:34 PM

    Hi 

    Does the DHCP servers fall in the Vlan 736 range . If yes then remove the DHCP server relay config .

    Also can you enable DHCP snooping as you have multiple servers .

    Please share debug dhcp output .

    Thank you



  • 3.  RE: DHCP IP Address Assignment Stop Data VLAN - HPE 5900AF-48XG-4QSFP+ Switch-2432P06

    Posted Apr 22, 2019 06:37 AM

    Hi,

    DHCP servers located over the WAN. DHCP Snooping is enabled on Access Layer and there is no access ort on Core Switch.

    Thanks

     

     



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