Other Network Architecture Subjects

Although in the Cisco document, the NAT session limit is bounded by the amount of available DRAM in the router. But I found large number of NAT sessions will cause high CPU utilization. In Cisco 7206 NPE 200, when the NAT sessions reach 12000 entries...

I am having a problem with a new ISDN line. I am not able to get the Layer 1 status to go "ACTIVE". I have had telco verify switch type and SPIDs and have had them retest the circuit. Each time they are able to test successfully. I have even followed...

dear engineers,i have two 2 mb lines connected to a single 2600 router and iam using CEF per packet to do load balancing. it works fine. but all what i get is 40 percent utilization on both links, when i do a huge data transfer. why it can't reach...

Hello all,Apologies for this lame question but, can someone tell me to which device the txload and rxload values refer to in a 'show interface fastethernet' command please?i.e. reliability 255/255, txload 62/255, rxload 2/255...I can't find an exp...

Hello,I have bought two catalyst 2950T switchs and installed the documentation CD as indicated and successfully, but when launching it, the browser open (Internet Explorer V 6) with the following URL in adress bar http://127.0.0.1:8080/home/home.htm...

I have read in the documentation that portfast should not be enabled on switch ports which may be connected to other switches and hubs. I would like to know what this mean? I understand that the spanning tree protocol is to eliminate undesirable loop...

Hello,Performance of different router models are expressed in pps values (e.g. 2 million pps for 7500 series with CEF). How can I measure the current utilisation of my routers ? (I think CPU util is not a valid measurement for this )I need this infor...

Hi, I would like to discuss the case studies I went through in the following URL http://www.cisco.com/warp/public/459/bgp-toc.html#sec5It would be helpful if few techno's could join in this discussion. Typically I want to discuss...

All, I have a multicast problem that I think I know the awnser to, but would like to know if there is any official documentation for this issue.I have the following switched topology.Host A connects to sw3 and host b connects to sw4.Host A sends a m...

Hello,can anybody explain what does the "none" option mean while configuring 802.1p on Cat3500XL?The explanation "The switch is not instructed what to do with the priority." is confusing for me (see http://www.cisco.com/univercd/cc/td/doc/product/lan...

Hie I have a channelised E1 card running software version 1.0 on a 2611 router with IOS 12.2(4)T. The card works alright except that it keeps giving this error message:2d09h: %CONTROLLER-2-FIRMWARE: Controller E1 1/0, firmware is not runningThis mess...

how can I see the traffic details?I have installed the first five CDs,include the 5th CD(ngenius),and I have start the ngenius server(win2k will open a DOS window,and after the service started,the window disappeared),how can I see the traffic detail(...

Hi,I am trying to enable DialUp Clients (to a 3620) browse the Corporate Microsoft Network.I have configured1. ip helper-address in the "interface dialer" config.2. Enabled 137,139 in "ip forward-protocol".The address pool is configured on the Router...

Does anyone know why the "show tech" command from the IOS will remove the passwords from the config but not the crypto-map keys? I feel that information should be considered just as sensitive as the passwords.

Hi, I have a new cisco7140 to test. I have erased the config, reload and then the messages :-------------------------------------------------------------%CNSES-4-NODNS: DNS lookup failed.00:05:44: %CNSES-4-NODNS_USEHOST: DNS lookup failed, use Hostna...