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5900 JC772A IRF via HPE X140 40G QSFP+ MPO SR4 Transceivers

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  • 1.  5900 JC772A IRF via HPE X140 40G QSFP+ MPO SR4 Transceivers

    Posted Aug 14, 2023 06:04 AM
    Edited by spgsitsupport Aug 15, 2023 02:45 PM

    I currently have a stack of 4 units in single location, need to move one unit to another building 200m away over 16 core OM4 fibre

    Replacing the existing DAC with HPE X140 40G QSFP+ MPO SR4 Transceiver should be no problem, but I assume I would need to use

    using tengige

    for the ports in the stack that have these transceivers plugged in & also change the IRF setup to use resulting split ports ie

    XGE?/0/49:1

    XGE?/0/49:2

    XGE?/0/49:3

    XGE?/0/49:4

    Does the order of split 10Gb interfaces matter (connectin between both switches?)

    Thanks



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    spgsitsupport
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  • 2.  RE: 5900 JC772A IRF via HPE X140 40G QSFP+ MPO SR4 Transceivers
    Best Answer

    Posted Aug 15, 2023 02:36 PM
    Edited by spgsitsupport Aug 15, 2023 02:47 PM

    It did work fine.

    Used this to split the 40Gb port:

    https://community.fs.com/blog/40g-qsfp-to-10g-sfp-configuration-guide.html

    and just redone the needed ports for IRF on member 2 & 4 (replaced full member 3, so the config was done on standalone unit)

    It was nice to see the all units appeared in dis irf

    So the end config for IRF was: (only the top ports - 49 & 51 are actually connected)

    #
irf-port 1/1
 port group interface FortyGigE1/0/49
 port group interface FortyGigE1/0/50
#
irf-port 1/2
 port group interface FortyGigE1/0/51
 port group interface FortyGigE1/0/52
#
irf-port 2/1
 port group interface FortyGigE2/0/49
 port group interface FortyGigE2/0/50
#
irf-port 2/2
 port group interface FortyGigE2/0/52
 port group interface Ten-GigabitEthernet2/0/51:1
 port group interface Ten-GigabitEthernet2/0/51:2
 port group interface Ten-GigabitEthernet2/0/51:3
 port group interface Ten-GigabitEthernet2/0/51:4
#
irf-port 3/1
 port group interface Ten-GigabitEthernet3/0/49:1
 port group interface Ten-GigabitEthernet3/0/49:2
 port group interface Ten-GigabitEthernet3/0/49:3
 port group interface Ten-GigabitEthernet3/0/49:4
#
irf-port 3/2
 port group interface Ten-GigabitEthernet3/0/51:1
 port group interface Ten-GigabitEthernet3/0/51:2
 port group interface Ten-GigabitEthernet3/0/51:3
 port group interface Ten-GigabitEthernet3/0/51:4
#
irf-port 4/1
 port group interface FortyGigE4/0/50
 port group interface Ten-GigabitEthernet4/0/49:1
 port group interface Ten-GigabitEthernet4/0/49:2
 port group interface Ten-GigabitEthernet4/0/49:3
 port group interface Ten-GigabitEthernet4/0/49:4
#
irf-port 4/2
 port group interface FortyGigE4/0/51
 port group interface FortyGigE4/0/52

    As I have colour coded MPO cables, I used the same colour on both ends, no idea if that makes any difference, probably not
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    spgsitsupport
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