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Hi all,I have following problem: I cannot see the MAC address of a printer on a switch port that is configured as trunk port with as native VLAN the data VLAN.The printer was initially configured with an IP address from the range of the Data VLAN the...

Hello,Recently one of our 3750 switches crushed 3  times during 2 hours with the following syslog messages:                04:21 PM             (switch-name)                  Alert      98: 00:01:39:                04:21 PM             (switch-name) ...

Could you explain  please  reason  first  ACL,log unreach.No log key  in ACL, switch has a lot of VLAN with ACL in. Packets Received by Packet QueueQueue Total 5 sec avg 1 min avg 5 min avg 1 hour avg---------------------- --------------- --------- -...

Resolved! Trunk interface

Hello I am in process of bringing up new trunk link on a Cisco 3750-48 port switch and see the following:interface GigabitEthernet1/0/52 description DMZ_Eth9/31 switchport trunk encapsulation dot1q switchport trunk allowed vlan 2,3,5,10 switchport mo...

Hello all, I have a large corporate campus that we are imminently implementing QoS on.  I would like to maintain as much of the SRND AutoQoS 4 settings as possible.  I have placed the following configs into the supervisors and it takes the config.  I...