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Cisco Blade switch 3020 from HP

We have a Cisco blade switch 3020, after we set up the Citix servers witch connect to the switch, there are massagees like "%SW_MATM-4-MACFLAP_NOTIF: Host 001c.c4e0.d37e in vlan 202 is flapping between port Gi0/8 and port Gi0/17" constantly showing up in syslog.

Can some one help me to explain what will cause this?

Thanks a lot.

Jack

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Re: Cisco Blade switch 3020 from HP

Recommended Action The switch found the traffic from the specified host flapping between the specified ports. [enet] is the host MAC address, [chars] [dec] is the switch ID, the first and second [chars] are the ports between which the host traffic is flapping.

Recommended Action Check the network switches for misconfigurations that might cause a data-forwarding loop.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_35_se/system/message/msg_desc.html

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