Switching

Hello,i receive following log from cisco 3750 stack with IOS 12.2(50)SE3:%SW_MATM-4-MACFLAP_NOTIF: Host 0019.07e4.0c00 in vlan 42 is flapping between port Po3 and port Po2The flapping repeats every 2 hours and hold on 15 minutes.The MAC belongs to th...

Hi All,whats the minimal cost switch that supports intervlan routing and is manageable.eg:WS-C2960-24TC-S or WS-C2960-8TC-L

I have a 3450G running ipservicesk9-mz.122-50.SE1. This switch had been up for years. I unracked it this morning and fired it up. It comes up and loads the IOS (abbreviated):flashfs[0]: flashfs fsck took 10 seconds....done Initializing Flash.done.Loa...

I am using DHCP ISP , but the connection only last for 20 mins exactly and then it will automatically disconnected. Every time I reset the WAN port , service back to normal for another 20 mins ><The are no log or any error message when connection tim...

What is the answer for this question ?? A service provider allowed private IPv6 BGP peering with a university research network. On receiving IPv6 traffic, one Cisco 12000 Series Router that is located in the path of IPv6 traffic experienced high CPU ...

Hi,We have a working setup with Cisco UCS blades and EMC VNXe storage. But we have to move the routing from a router to internal Layer 3 routing in the switch (Cisco Catalyst 3650).Inn this environment the management network is on the 10.203.100.x su...

Hi There,I have a Cisco 800 series router that I need to set NAT up on. There will be four computers connecting to the internet through it. I already have the IP address coming from my cable modem I just do not know the command to get it to translate...

Hi all. I'm pretty new to Cisco equipment and I'm working on a lab where I am trying to load a new IOS onto a 3750V2 switch.  Here are the details.Network. /24Switch IP 192.168.1.1PC IP 192.168.1.3                   Switch1.1#show runBuilding configu...

Hi,I am new to the forum and have a question regarding the Supervisor 2T and a VSS setup with 4 supervisors.  We have been trying to get the system working configured with Quad supervisor uplink forwarding, where if my thinking is correct the In Chas...

Hello everyone, I am having a bit of a weird issue. I have a Cisco Aironet 1142 AP with a Gig port (GigabitEthernet0) and a Cisco 3548XL switch with FastEthernet ports. When I connect the two together, I do not get any link lights. I have tried playi...