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LACP between HPE 6300M 24SFP+ and HPE 2530

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  • 1.  LACP between HPE 6300M 24SFP+ and HPE 2530

    Posted 13 days ago

    Hi there,

    i'am trying to setup our new Network with 2 HPE 6300M in VSF. I connected other HPE 6100 via LACP to the 6300M VSF Stack successfully.

    as i am trying to connect our old HPE 2530 (Port 23,24) to our HPE 6300M (Port 1/0/10, 2/0/10) with two J7177D (1G SFP RJ45), LAG Interfaces get up and the 2530 shows in the LACP Status Success. My Problem: I cant Ping or send Traffic over the VLANs.

    In the Moment there are only VLAN 1 and 19. 

    I suspect the error in the 2530's config.

    Running Configuration
    ; J9773A Configuration Editor; Created on release #YA.16.04.0008
    ; Ver #10:19.02.13.98.82.34.61.18.28.f3.84.9c.63.ff.37.27:00
    hostname "XXXXXXX"
    trunk 23-24 trk1 lacp
    ip default-gateway xxx.xxx.xxx.xxx
    snmp-server community "public" unrestricted
    vlan 1
    name "DEFAULT_VLAN"
    untagged 1-22,25-28
    tagged Trk1
    ip address xxx.xxx.xxx.xxx 255.255.0.0
    exit
    vlan 19
    name "DMZ"
    tagged Trk1
    no ip address
    exit
    spanning-tree
    spanning-tree Trk1 priority 4
    allow-unsupported-transceiver
    no tftp server
    no dhcp config-file-update
    no dhcp image-file-update
    password manager
    password operator

    As well here is the config of the LAG Ports on the 6300M

    interface 1/1/10
    description HP-2530-PoE
    no shutdown
    lag 10
    
    interface 2/1/10
    description HP-2530-PoE
    no shutdown
    lag 10
    
    interface lag 10
        no shutdown
        no routing
        vlan trunk native 1
        vlan trunk allowed all
        lacp mode active
        exit


  • 2.  RE: LACP between HPE 6300M 24SFP+ and HPE 2530
    Best Answer

    Posted 12 days ago

    Hi Frederic,

    i think there is a small mistake in your config on the old 2530 to match the config on the cx-series Switch.

    Please make sure to set VLAN 1 to untagged on the 2530 and the communication will work.

    In fact, on VLAN 19 the communication should already work perfectly.

    You could try if you set up some IPs for both switches in this VLAN 19 and do a source-ping.

    Explanation of your mistake: 

    On your cx-6300m Switch you set vlan trunk allowed all. This results in an automatic creation of another config line "vlan trunk native 1" which basicly states that this is the VLAN which the Switch will use as "untagged".

    The reason behind this is, that the switch in "trunk"-mode will not know what to do with an untagged Datapacket being received on the lacp-interface (or any other trunked interface). So with this config line, the switch can pass this datapacket to the native-vlan (in this case VLAN1) and the communication continues.

    So access your 2530, enter config mode, enter "vlan 1 untagged trk 1" and you should be fine. (Communication should now work as expected)

    Best of luck to you

    Franz



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