Other Network Architecture Subjects

I will deploy ntp in my network and I need provide ntp server redundancy for clients. I will have two 7600 as stratum 1 device. But in cisco document,it said "Servers that provide synchronization to a sizeable population of clients normally operate a...

I have a pair of 6509's with many vlans that I have configured a pair of DHCP servers via the ip helper-address command.One of the servers is local (attached to core switch) The other server not so local (across a T3 line).Some of the clients are ge...

Folks, We are thinking of moving away from Native to Hybrid on our 6500 series switches with Sup 720. Right now we are running Native and would like to run hybrid. My question is that how many files i do need in my sup?? How will each device (...

How can I tell if spanning tree has kicked in, What commands do I use to show me. Is it sh spanning-tree summary ?thanksCarlos

I have a 3750 configured to do inter-vlan routing. There are 4 vlans.when do a sftp file transfer from hostA on vlan3 to a hostB on vlan2 I only get about 1000kB/sec to 2000kB/sec.the hosts are connected on downstream 2950 switches on the appropriat...

Hi, I am using a Cisco Catalyst 3570 to connect together 2 devices (A and B) via Gbit Ethernet, both on vlan 1.I would like to connect also a third device (C), acting as monitor/simulator and redirect to it all the traffic coming from A, and blocki...

Checking the CPU utilization on a cat4006 I found a high CPU percentage (15%) for the THREAD process.What kind of process is it ? What does it mean a high CPU usage for that process ?Thank you, best regardsAlessandro Asson - CINECA

I'm currently reviewing the way we have IP accounting configured on our 2 7200 series routers. the current way is to run ip accouting on all ip addresses within our network, currently some 4000+ address, many of which are not active. This gives us ar...

Can someone tell me the differenceWhen bringing up an isdn interface, Am I correct in saying it has to raise the line by calling the isdn number, If so whats the difference between this and a dialler interface ?thanksCarl

Hi, I got some error message in my Catalyst 6509 :2005 Jul 21 23:11:30 %SPANTREE-5-MSGAGEEXPIRY: Msg Age timer expired on port 9/4 in vlan 12005 Jul 21 23:12:51 %SPANTREE-5-MSGAGEEXPIRY: Msg Age timer expired on port 9/4 in vlan 12005 Jul 22 00:21:47...

Dont know if anyone can help, I have an issue where when pc's go onto a secure https website, It kills the dsl link off and we get loads of timeouts on the line, Asanyone any idea what would cause this ?thanksCarl

i config ip accounting in 3550 interface,but when i show ip account,i can't see some information

I am currently seeing large number of giants being logged on my Ten Gig interfaces. The MTU size for the interface is set at 9216 so I find it hard to believe that I am receiving any packets greater than this size. Indeed I am not seeing any correspo...

Hi,I have seen a bandwidth command in the interface config mode. When I apply it, it does not limit the traffic.I have to limit a traffic on a perticular port to which a PC is connected.THanxsagar