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3Com 5500G packet drop

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  • 1.  3Com 5500G packet drop

    Posted Jul 29, 2009 12:40 PM
    I'm having problems with dropped packets.



    I have all ports of a 3Com 5500G switch assigned to the VLAN-1. The VLAN-1 interface IP address was 200.0.0.8/24 but the stations connected to the switch ports have addresses from the 200.0.0.0/24 or 200.0.2.0/24 ranges.



    When I ping a PC with an IP address within the 200.0.2.0/24 subnet from another PC within the same subnet 200.0.2.0/24, I lose a lot of packets (~50%).



    I’ve added another IP to the VLAN-1 interface and It seems that all is OK (the packet drop rate has decreased)



    interface Vlan-interface1

    ip address 200.0.0.8 255.255.255.0

    ip address 200.0.2.8 255.255.255.0 sub



    I don’t understand why I have to add a new IP address to the VLAN interface (The ping failed between IP addresses from the same subnet (200.0.8.0/24), there is only Layer 2 switching).



    Is this working as intended? Or is it a bug?



    Thank in advance,





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