Other Network Architecture Subjects

What is the purpose of an access-list like the one below? I know it´s relate to netbios and all the ip address are broadcasts address from client network. I just don´t understand what I am avoiding doing so, relating security issues. ip access-list...

HiCan someone tell me how to create sub interfaces in a 2500 series router, wihch doesn't have fast ethernet. Well, it's like this. I can create sub interfaces, but the moment I try giving an IP address, it says, that I have to enable, 802.10, ISL or...

Has anyone seen this message before. When I do a show log on my 2924C-XL switch this is what I show:Apr 7 20:19:17.744 CDT: Assert failure in ../src-malibu/stp_malibu_shim.c line 2677any help on this would be greatly appreciated.thank you.

Greetings all, I'm new to Cisco hardware so bear with me.On my network are a number of switches including two catalysts, a 1600-24 and a 2950-24. Once I enabled password via terminal for the 1600, I've been able to manage it via a browser. Unfortun...

I have a CAT-6500 with a 6348.Scenario:Ports 1-6 on VLAN100Ports 7-12 on VLAN200In MLS Card the virtual interface for VLAN100 I have a network in the 215.128.3.0In MLS Card the virtual interface for VLAN200 I have a network 215.128.4.0The problem I'm...

We're using Cisco CNR for DHCP allocation on our cable network.Users continually get the same IP address. Is there any way we can force a new IP address to be assigned when customers reboot their PC ?We don't mind if the IP stays the same through lea...

i would like to use a Cat6509 with (2) Sup1A-MSFC/PFC to route my 2 internet questions. I would like to run BGP and accept full routes. It will also have 6348 48port cards to connect my switches to. I would also like the 6509 to route VLANS. Any Cons...

Hello- I've got a Foundry BigIron 8000 switch at the core (inherited), that is configured with two VLANs ((1) Engineering and (2) Lab). I've connected a stack of Catalyst 2950s to it that only serves clients on the Engineering VLAN and that works f...

Is anyone aware of any known bugs with dCef on a 7500 with 12.3.7T? It was working fine on 12.2.21a. After the upgrade, the NMS system started reporting service failurs on all remote servers. Everything was pingable. After disabling dCef, the serveri...

Hi friends. I have used to study different papers for VLSM. But i am confused to understand exact idea behind this. Is there any link where can i find much easy and brief report about VLSM and how to use this pls help me in this regard as u can. I am...

Hello,Here is the network I'm working on :Host --- [OSPF Area 100] --- 4506 ------- 7204 ------- ( IP ) ---------- 10.100.0.0 | ------ 4506 ------- 7204 ------- ( MPLS )I'd like to link the Host (in the OSPF...

Dear Collegue,We have 3660 routers connected to our existing WAN, we are using VOIP interface to our md110 pbx. In our cisco 3660 routers we have 3 Channelized E1 controllers installed in different modules in the same routers (i.e E1 2/0, E1 3/0, and...

Hi,I need to know how much heat is produced by the catalyst 3500 xl series inline power in term of btu/hour or any information related to heat production for that specific model.Thanks

Have a 2620 edge router with 3524 and 2950 switches below. We have a lab workstation control app whichuses multicast. It causes 2950 switches to stall but doesnt effect 3524 switches. Does igmp and cgmp have any effect with this?What should I chan...