Switching

Hi..1> I have cisco 4000 router, Version 11.2(16).Router is going ver slow.There is no ACLs,not any routing protocls,only statis routes are there.What can be the cause??Every time there is high %age of IP Input process.2> I want to upgrade its IOS.Fr...

I have a 3750 48-port 10/100 switch with 4 SFP ports. I'm using one SFP port to connect to a Gigabit server running only autosensing. The physical cabling between SFP and server is Cat.6 copper.There are two very wierd problems happening right now. I...

Greetings, attached is a simplified diagram of our network. The issue im having is increased jitter on voice calls when both data and voice is traversing our leased line. When no data is passing jitter is reduced by approx 70%Ive applied auto qos to ...

Hi,I am using a Cisco 877 for the Internet and VPN's, sometimes it disconnects from the Internet, what commands can I use to see if the DSL line is up and whether I have authenticated etc or not?Thanks

I would like to understand how two redundant power supplies work on a 4507R switch. If I configure the switch to have two redundant power supplies (power redundancy-mode redundant) I believe only one power supply will work, this is, only onw power su...

For a DR test, my company would like to restore approximately 5 servers from a Backup/Restore server.The five servers will reside on one Ethernet interface (subnet) of a router and the Backup/Restore server will sit on another Ethernet interface on t...

I'd like to have our 3650 notify us when mac addresses change. I thought port security would do this in restrict mode, but it does not seem to be.I have a loggin server set, and the port security configured on the switch port in question.How do I get...

ok I know about the 5 different acls and the basics of how they work, but what gets me is how to restrice some ip addresses from getting access like192.168.1.0 0.0.24.255 or something like that, how is this worked out

I have a C3548 xl series switch.I can create Vlan, but the vlan are shutdown mode. I have tried giving "no shut" & "vlan active" cmd. ***************************************Current configuration:!interface VLAN2 ip address 192.168.32.1 255.255.255.0...

I asked a question last week about using private vlans, and the answers I got seem to indicate this may not be the right way to do this.Anyway, here's what I'm trying to do.I have a port:interface GigabitEthernet1/0/25 description DSLAM #2 switchport...