mike987
12-16-2009, 10:07 PM
I am facing a different scenario now, it as follows-
I have a network with 2x6509E switch at the core and 3560 switches at the Edge. All edge switches are connected to both the 2 6509 switch for high availability. PVST is enabled and i manually configure 6509-01 (Core Switch 01) as the Primary and the 6509-02 (Core Switch 02) as the secondary. All the VLANs are configured with HSRP and Core Switch01 expected to be the HSRP Master for all Vlans.
1) In edge switches I can see spannnig tree port Gig 0/1 connects to Core switch 01 as Active forwarding and Gig 0/2 connects Core Switch 02 as Alt BLK. But I can see the Gig 0/2 is showing Green LED as the same as Gig 0/1 and can see activity on the port, it is blinking fastly as same like Gig 0/1. Ideally if the Port is in Alternative blocking stage then how there is some activity on this port and the LED is blinking continusely. Show interface gig 0/2 shows multicast and broadcast count also. Why it is happening like this???
2) On the core i have connected the 2 6509 Switch with an Etherchannel. The port-channel 1 is configured as a trunk and allowed to pass all traffic. When i do a show spanning-tree active command, I can see the port chanel interface on the Core 01 is des fwd and the port-channel on the Core 02 is as the Root. All the other ports are designated in both the switches. what does it mean by that Root ?
Root Bridge is showing as the Core Switch 01 and I was expecting the Core Switch 01 should forward the traffic, why the Core Switch 02 Port-channel is showing as the ROOT ???
3) The HSRP configureation i have added Vlan 1 on core switch 01 with the priority of 110 and preemept, but when ever i put sh standby brief i can see for Vlan 1 the core switch 02 is shwoing as active, even after i configure the priority 120 to core swithc 01. If i set HSP prioroty higher value to the vlan interface on Core Switch 01 then ideally it should be the active, why it not happeing i thig case?
FYI - The switch has an FWSM Module also on the Core.
Evrything in the network as of now is working fine, but i really feel some dot points here and there. Can anyone help me to find these issues? Is there any STP issue is there or is there any HSRP Issue is there? or these are normal only and there is no issue in this?
I have a network with 2x6509E switch at the core and 3560 switches at the Edge. All edge switches are connected to both the 2 6509 switch for high availability. PVST is enabled and i manually configure 6509-01 (Core Switch 01) as the Primary and the 6509-02 (Core Switch 02) as the secondary. All the VLANs are configured with HSRP and Core Switch01 expected to be the HSRP Master for all Vlans.
1) In edge switches I can see spannnig tree port Gig 0/1 connects to Core switch 01 as Active forwarding and Gig 0/2 connects Core Switch 02 as Alt BLK. But I can see the Gig 0/2 is showing Green LED as the same as Gig 0/1 and can see activity on the port, it is blinking fastly as same like Gig 0/1. Ideally if the Port is in Alternative blocking stage then how there is some activity on this port and the LED is blinking continusely. Show interface gig 0/2 shows multicast and broadcast count also. Why it is happening like this???
2) On the core i have connected the 2 6509 Switch with an Etherchannel. The port-channel 1 is configured as a trunk and allowed to pass all traffic. When i do a show spanning-tree active command, I can see the port chanel interface on the Core 01 is des fwd and the port-channel on the Core 02 is as the Root. All the other ports are designated in both the switches. what does it mean by that Root ?
Root Bridge is showing as the Core Switch 01 and I was expecting the Core Switch 01 should forward the traffic, why the Core Switch 02 Port-channel is showing as the ROOT ???
3) The HSRP configureation i have added Vlan 1 on core switch 01 with the priority of 110 and preemept, but when ever i put sh standby brief i can see for Vlan 1 the core switch 02 is shwoing as active, even after i configure the priority 120 to core swithc 01. If i set HSP prioroty higher value to the vlan interface on Core Switch 01 then ideally it should be the active, why it not happeing i thig case?
FYI - The switch has an FWSM Module also on the Core.
Evrything in the network as of now is working fine, but i really feel some dot points here and there. Can anyone help me to find these issues? Is there any STP issue is there or is there any HSRP Issue is there? or these are normal only and there is no issue in this?