Other Network Architecture Subjects

In my network, there are serveral VLAN's, of which, VLAN2 is quite a big segment (255.255.248.0). Recently, after a complete power shutdown of the building in my office. Some users on VLAN 2 is having diffculties reaching another machine (e.g PC1) un...

I downloaded a new IOS and copied it into the flash. How do I remove the old image file so the switch can boot to the new IOS image? This is a Catalyst 3550 SMI.

Forgive me if this has been a topic beaten to death but... I tried to upgrade my 2501's in my home lab to 16/16 and when I booted one up with 16MB Dram it shows as 14Mb and wondering why?The Boot ROM is 11.0(10C), another 2501 comes up with 16Mb Dram...

I am planning to use a 2610XM with a 16 10/100 EtherSwitch module. I want to allocate Vlan's to the Etherswitch ports but transmit the Vlans over the TCP/IP or Bridged interface on the 2610 router. This link will terminate on another router and then ...

I have an 806 that I'm using to hook up to a cable modem and to VPN to the home office. I found that under the dhcp options if you use import all, you receive the dns server of the provider. However, if you code dns-server x.x.x.x for vpn purposes, t...

Does anybody has any experience with the Cisco Configuration Engine?How does it work anyway?How to solve scaling issues with more than 3000 devices and SSL? More Config Engines ?

Hi Is it necessary to have same Admin Group on both switches which are connected by a Port channel? i.e do they have to match exactly? I couldn't find any documentation which confirms this.Thnaks

we see our router sending thise packets:*Oct 28 13:37:13.161 MET: IP: s=127.0.0.1 (Serial0/0), d=192.168.77.167 (Serial0/1.2), g=192.168.14.9, len 40, forward*Oct 28 13:37:13.161 MET: TCP src=80, dst=1466, seq=0, ack=1199702017, win=0 ACK RST*Oct...

What type of STP is typically used in a Data Center? PVST+, 802.1w, MST? Is there a white-paper that explains the similarities and differences of these various STPs

Hi,When I connect to the management centre for pix firewalls, I get the following message:1. The scope is set back to Global for one of the following reasons: 1. The device or group is deleted by other users. 2. The hierarchy table may changed since ...

all:i have just configured two of my new switches... one being a 4507 and the other a 4506. i have configured them to be layer 2 only (no ip routing) and have set up the 2 vlans that i need routed. anyway, i just want to test connectivity between the...

In this moment i have a cisco uBR7246VXR (NPE400) with version 12.2(11)BC2. When the Ubr is booting up shows the following messages:System Bootstrap, Version 12.2(4r)B2, RELEASE SOFTWARE (fc2)TAC Support: http://www.cisco.com/tacCopyright (c) 2002 by...

I have a card wic-1t in router 2610(12.2), but same the single one supports to me until 1728Kbytes.. But the client tien contracted a E1.. is necessary to form something in special in router so that the card can arrive until 1920Kbytes

Hi all, Please suggest me IOS for folowing requirmentRouter :- 3640 NM-8 A/S 2CE1BNM4EThanks & Regards,ciscobuddy

How to Change SNMP version of CISCO router