Other Network Architecture Subjects

Hello,I have setup the PPPOE on my 3620 router. But I am having some problem with my DNS, my DSL service is through Verizon, the way I have setup before with the Linksys router is working fine, the Linksys router will automaticlly obtain the IP addre...

I'm looking for some suggestions to design a disaster recovery solution. The environment is frame to atm and we will be using a DR provider. My thoughts are to create an interface pointing to the pop which would then be directed to the DR provider. D...

I wonder if someone knows or familiar with any limitation of subnet is ISIS routing protocol ?I have a network with ISIS Level-2 with almost 5000 subnets and I need to know if there anydocumented limitations for this amount of subnets (it will be big...

I have a 3640 with 3 bridge groups configured over separate frame-relay subinterfaces.A bridge group is dedicated to only 1 interface.I noticed that when customers configured with bridge groups are active and getting much traffic,the processing of th...

on the 3750 you can have sfp fiber modules. i have some 3com switches but they can only do 100mbps can i configure the sfp ports to only do 100mbps? thanks!

Hi..I want to connect Cat4506 (Version 12.1(13)EW) and Cat 6509 (Version 12.1(8b)E13) over two gigabit fiber ethernet links. I configured etherchannel like this:4506#sh runinterface Port-channel1 switchport switchport trunk encapsulation isl switchpo...

I'm trying to send SNMP Traps and Fault notices to another NMS (NetCool). I've set up the SNMP and Trap adapters with the IP address and port of the NMS. No dice. I can use the Mail notification, but not the Trap notification. Is there a way to m...

From a security stand point, if someone is using a Sonicwall firewall doing one-to-one NAT public to private, is that any more secure than someone using public ip's inside their network with the proper access-lists?

I have a situation I really need some advice in. Here's the scenario:At our HQ, we have a 3640 with a couple hundred ATM IMA PVCs. Each of these PVCs get switched to individual Frame Relay PVCs in the telco cloud, and terminate as such at each of our...

We're installing a web application that will connect to a Transparent LAN Service 100Mbps access circuit to for customers to reach the web servers. Is a Cisco 7301 router the correct device for this application?Thanks.

Dear Sir,What id the difference between 2 Wire and 4 wire ModemsRegardsDeepak

I recently upgraded my CAT os to 6.4.6 on some 6500's. I was running 6.3.6 with port security enabled, which worked just fine. It was configured to security disable the port, should it see a different MAC address within 10 minutes. However in 6.4.6, ...

I am currently running all of my cabling through a Krone IDF Cross Connect system and have several Async connections for Remote Consoles into Sun and Fujitsu servers. Some of the punchdowns were done with only one pair (w/Green and Green) for TX/RX. ...

I have a router configured using frame-relay that seems to increment frame errors whenever the customer hits port speed. The equipment and cables have all checked out okay. Any ideas what is causing this?