Other Network Architecture Subjects

Hi All,wasn't able to ping or telnet to a switch, 2900 series XL, from a Linux box(CentOS), but, when accessing via the console port, and issuing a ping to the box I could then telnet and ping the switch from that box. What would cause this.? Cheers....

Hello,I need to add new giga port 1000 bas SX to my catalyst 4506 in order to connect 12 catalyst 2950.Is there any difference if I use one card WS-X4418-GB or I use two card WS-X4306-GB.Thanks for your help

Hello all. I'm having trouble linking a WIC-4ESW to a Catalyst 3560. The port on the 3560 has all the defaults. The switchport on the WIC-4ESW has an IP address that belongs to the default VLAN yet I don't get any communication. I do get a link l...

I have a cisco 1700 .After a blackout this router is not configured. After recounfigured router save running-config in startup-config and works fine until new blackout. Any idea ?Thanks (sorry for my english)

I'm looking for a tool to manage IP addresses. The ones I've come across are EasyIP, INS, 'Men and mice' and IPTrack (open source). Can you suggest any others?Thanks

Hi All,my company just got in 2 7960 ip phones. What is needed to test these.? I am studying CCNA, and would love to utilize them for study purposes, before we sell them(work for a hardware reseller here in Tokyo). We have numerous routers/switches h...

We have two network segments on our network. Assuming the two segments are 2 & 3 networks. I'm on the 2 network, I'm unable to ping the two LAN switches on the 3network. I have VLANs confiugured on all the switches in these two networks. All VLANs ar...

hey,what is the difference between the ip http server and the ip http secure-server, on a catalyst 3750 and in general, we are not allowed to have the IP http server enabled. is the secure server more secure? and what are the differences? is it usua...

Hi,I have this VLAN 2 and tryinh to add few more VLANs but I was wondering if I make two blades of the total five blades on a Cisco CAT 4500 Switch part of VLAN 2, then how I can make the other blades (ports/Interfaces on blades), when part of other ...

CNA isn't showing any links, phones, access point,etc.. on any of my 48port Cat3560s. The 24 port versions show the topology view correctly. When i do a show cdp neighbor on the 48prt switch it shows all the connected phones and access points, but ...

I have a cluster of 3 3500XL switches. All have the latest rev of IOS. The cluster is fine when on default vlan. When I change the managment VLAN to VLAN 9 using "cluster management vlan 9" the 2 member switches fail to change to vlan 9 and the clu...

Hello, I've tried countless times to access my switches thru CMS web access but to no avail. I have tried with Java 1.3, 1.3.1, and 1.4 and still no luck. I keep getting a lot of class not found errors and error while parsing files. Does anyone kn...

routing problemMy setup L3(10.2.1.1) -> 2600 router (10.2.1.50) -> pix#1 506(10.2.1.179) for internet or -> pix#2 506(10.2.1.35) which used vpn remote site 10.3.0.0 my problem is that i have 10 to 12 vlan. the def...

New member. Pls advise if this post does not belong here. Cheers.You have two entirely separate OSPF systems. You wish to share routinginformation between the two systems, but you don't want to join thesystems into one big OSPF system (you still wa...