Dear friend; wishes all are fine
I have a 3750G switch which have some vlan as like 14,103,104 but problem is we found some vlan flapping problem between two trunk ports . Bellow some config; interface GigabitEthernet1/0/6 description FON-FTP-VLAN-104 switchport access vlan 104 switchport mode access interface GigabitEthernet1/0/27 description Port salira_Ban-12.1 switchport trunk encapsulation dot1q switchport trunk allowed vlan 14,101,104,199 switchport mode trunk speed nonegotiate spanning-tree portfast trunk spanning-tree bpdufilter enable ! interface GigabitEthernet1/0/28 description Port salira_Ban-13.1 switchport trunk encapsulation dot1q switchport trunk allowed vlan 14,104,150,151 switchport mode trunk load-interval 30 speed nonegotiate spanning-tree portfast trunk spanning-tree bpdufilter enable ! LOG: *Mar 1 12:43:54: %SW_MATM-4-MACFLAP_NOTIF: Host 0018.d17b.96d7 in vlan 104 is flapping between port Gi1/0/28 and port Gi1/0/27 *Mar 1 12:43:59: %SW_MATM-4-MACFLAP_NOTIF: Host 1078.d211.b194 in vlan 104 is flapping between port Gi1/0/28 and port Gi1/0/27 *Mar 1 12:44:06: %SW_MATM-4-MACFLAP_NOTIF: Host 0018.d17b.96d7 in vlan 104 is flapping between port Gi1/0/28 and port Gi1/0/27 *Mar 1 12:44:09: %SW_MATM-4-MACFLAP_NOTIF: Host 1078.d211.b194 in vlan 104 is flapping between port Gi1/0/28 and port Gi1/0/27 *Mar 1 12:44:20: %SW_MATM-4-MACFLAP_NOTIF: Host 0018.d17b.96d7 in vlan 104 is flapping between port Gi1/0/28 and port Gi1/0/27 please suggest me , how can i resolved it ? thanks jahangir _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
