Other Network Architecture Subjects

We have a 4006 chassis with an L3 blade, supe2 module, and fiber modules and inline-power port blades... running 6-3-3 code - my question is I notice code on the L3 blade and sup modules seems to reflect a lot of versions that seem only barely relate...

Dear networking experts,We recently implemented NAT on our Catalyst 2600router, which is connected to the Internet via a T1line. After the implementation, we started havingproblems with E-mail and FTP especially when the remote host is running UNIX. ...

Does the CISCO 6509 support VVRP? or HSRP in the only way to go?... What are the pro and cons for each?We are migrating from ATM core to a GIG core.....while migrating both the ATM core and GIG core have to be up and runnig 7x24.Thanks.

Network Pros,I need some advice here. I run a product called Surfcontrol and SMS Network Monitor which require the NIC to go to promiscuous mode.Since they moved me to the new Cisco 3548, this no longer works. I don't see any traffic in either applic...

besides ISL being proprietary, are there any significant funtional differences?Anyone know of a decent write-up describing the differences?

We contract 30 Mbps of IP bandwidth to our customer, and I would like to know how much overhead I need to allow for a PVC on an ATM link set up as following:PVC l3-eST 6/100 INARP 1 BROADCAST UBR 35000 OAM-PVC MANAGE ENCAPSULATION AAL5SNAPAlso, ...

We are experiencing mixed results with Compaq servers running the 3131 dual-port NIC. It appears that the Compaq drivers are part of the problem, as replacing them with Intel drivers seems to solve the problems. However, this takes away the Insight...

Any have a an idea of ho to set up a static route to point to a server from an mail address. MY mail is down and i need it up by noon or else!!someone please help.

We resell Verizon DSL. I have a ATM T3 to Verizon, and could use some assistance on setting up the pvc's correctly to accomplish PPPoE authentication.

A customer wants to connect two of their sites and pass IPX traffic back and forth over a DSL connection. I'm not that familiar with IPX, but I know we (the ISP) won't route their IPX traffic for them. It will need to be IP when it passes through o...

In IOS 12.05 there is no ability to use the command set switch port mode multi, has any one used the trunk access command to establish a trunk to a Nokia checkpoint firewall as we can find no commands on the Nokia box to enable the trunk connection f...

The company I work for has decided to upgrade from an access/distro layer of cabletron switches to BigIron 8000 series switches. The core layer remains as a 7500 series cloud regardless. What I need is some ways to knock down this paper tiger of a ...

I have about 600 VLAN! The network was made with Catalyst 4006 and Catalyst 3548XL. How routing inter VLAN traffic and on what?

I have a route 7206. I used a laptop console connect to configure it. I have both enable and enable secrete passwords show on the configuraton. But when I telnet to it, I can not use the password, it does not take any of them. How do solve the proble...

I have two switches WS-C3548-XL which don't work it if I linked them through WS-G5482(1000baseT).Once has a release 120-5.5.WC.1 and the other has release 120.5.2-XU.Why does it happen?What can I do?