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  1. karelson

    RSTP + Stack

    Well for STP problem solved with spanning-tree mode mst spanning-tree mst configuration instance 1 vlan 1-4094 spanning-tree mst 1 root primary spanning-tree mst forward-time 6 This gets me to 17 seconds convergence time. can tweak more but 17 is good.
  2. karelson

    RSTP + Stack

    Here is the config for 2 vlans conecting to unmanaged switches. interface GigabitEthernet1/0/21 switchport access vlan 11 switchport mode access ! interface GigabitEthernet1/0/22 switchport access vlan 22 switchport mode access ! interface GigabitEthernet2/0/21 switchport access vlan 11...
  3. karelson

    RSTP + Stack

    Hey, I have to use the unmanaged switches. Its a requirement. The are access for users and multicast servers. No bodyguard or port fast . just plain rstp and root switch config on the 3750. No trunks either.
  4. karelson

    RSTP + Stack

    Hey, 1. the unmanaged switches do not run STP as far as I know. 2.only log on the 3750 is that stack cable is disconnected and the duplicated IP. I assume this topology will break eventually, right? any Idea why STP takes 30 seconds to converge.
  5. karelson

    RSTP + Stack

    Hey all, I have a wired set up, maybe you can help me to understand 2 things. I have 2 3750X in a stack. then I have 5 unmanaged switched connected to the stack. Each unmanaged switched has 2 ports to the 3750X Stack( one to switch 1 and one to switch 2) I have rapid spanning tree, with...

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