Other Network Architecture Subjects

Hi everybody,on a WS-C3550-12G with IOS 12.1(14)EA1a i configured "ip flow-export". When I do this, the device reloads by itself, i think when it tries to export the netflow cache.The last message is:Unexpected exception to CPU vector 0, PC = 59EF48-...

Is it possible to Upgrade a WS-X6K-SUP1A-2GE Sup Modto a WS-X6K-S1A-MSFC2 Sup Mod by adding the required Daughter Boards or is there any Upgrade path in existance.

Dear NetPros, We have configured Novell Netware Servers running IPX/SPX on 10 sites which are connected to the Central Office by Leased Lines. Now each of these 10 networks has one Novell Netware Server and few clients. Now the Huawei 1700 Series rou...

I have two Cisco 1721 routers, each with a 1ENET in WIC0 and a 1DSU-T1 in WIC1. The routers are intended to connect two buildings and the LAN's in each building are set up in different class C subnets. WIC1 will connect to an existing T1 circuit t...

I have a site that is connected to our datacenter via a frame connection. I'm interested in setting them up with a DSL connection and VPN as a backup in case the primary frame connection goes down. I'm looking for recommendations on how to do this....

I have two Catalyst 3550-48-SMI With Gigastack module.I want to know if will be possible to link with other two stack Catalyst 3750G-24TS.I know that isn’t possible to stack them. (3550 uses Gigastack and the 3750 uses Stackwise).But I want to link t...

HiI've a 3745 router (IOS 12.2(11)T9) with a mica-6DM (Portware 2.7.3) integrated.I've some application that only work at a speed of 2400 bits/s and consequently I want to fix the minimum and maximun speed at 2400.The problem is that it's running fin...

My question is what is the correct configuration for the csacs to authenticate wireless clients using the cisco 1230 access point? When we keep getting the following error message, "EAP type not configured check Global Authentication Setup page" Pl...

Hey:I know other people having the same problem, with non-Cisco routers. We have a 2621, running an FTP/email server in a DMZ. Every now and then - sometimes twice a day, sometimes once a week - access gets blocked to the FTP server. Clients can logi...

I have assigned a VLAN to a switch port and the server cannot ping anything past it's own NIC. Any suggestions?

Hi everyone !If I use CBWFQ and use the bandwidth percent in each class, and if I apply the policy to an ATM sub-interface which has a vbr-nrt vc with 294Kbps as the SCR, the calculated bandwidth is based on the SCR instead of the bandwidth statement...

We have CBWFQ class default configured as follows ;shape average 256000 1024 1024Based on this, I assume that the initial tokens in the bucket will be 1024*8 (1Kbytes). The next time the tokens are added, my understanding is that (T1-T2)*CIR/8 tokens...

We have seen at least 2 incidents where a 2950 10/100 port just stops working. A host is connected and works fine for several weeks, then one day out of the blue, the 2950 FastE port stops working. After a reboot, the faulty port remains faulty. A...

I have 4 Cisco 2500 routers, and am trying to upgrade to 12.2 (21) from 12.2 (17), but I am not able to uprade. It won't delete the existing IOS from flash. When I run "Sh Ver", I see that the Flash is read-only. Does that mean that I can't upgrad...