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Hi, all
We have two VLANs (ID=2 and ID=10) in office LAN (about 10 CISCO switches and 2 CISCO routers.).
One day, Someone installed a new switch. New switch has default configuration(all ports in VLAN ID=1).
Then, Someone connect new switch to on...
As I understood, If all of LAN switches can STP, and if the across VLANs loop appears, so one port must be blocked, according to STP routine.
But if BPDU can't pass thru the CITRIX, STP will not working right?
By the way, because of VLANs acrossing ...
No, i didn't check arp table. Didn't have time
Seems like my issue.
But is there a way to prevent this problem?
What is best practices to avoid loops across VLANs ?
The port where is connected the server:
interface FastEthernet0/30 switchport access vlan 2 switchport mode access switchport voice vlan 602 spanning-tree portfast
The gateway(router) and PC are in one VLAN. From the gateway I saw PC's mac in two di...
New switch actually is the CITRIX Server with 4-ports line card. So, no any logs.
There are no PM-4-ERR_DISABLE messages from nearest switches.
The problem is that not enough information.
That's why I appealed to you to hear an authoritative opinion...
Hi. Mark
Thank you for fast reply.
Maybe it has something to do with the case:
VLAN0002 is executing the ieee compatible Spanning Tree protocol Number of topology changes 707 last change occurred 4d21h ago from GigabitEthernet0/3 VLAN0010...
