Switching

Hello AllI have a customer who has a Cisco 2821 router with software 2821/HSEC/K9 and they wish to upgrade to C2821-VSEC-SRST/K9.From my understanding they want to use the same router but install an IOS with the capabilites it has at the moment but w...

Looking for a bit of design helpWe currently run 1 Cisco 6509 (CatOS) for our production network. It has multiple vlans which feed distribution switches on each floor in 2 buildings.Essentially each floor is its own vlan. Each floor switch is connect...

Here goes ... the problem:I will have 2 physically seperated buildings on the same lot connected via fiber optics at each end are 3560 switches that will do routing.  Each building will be on it's own subnet.Building A is 10.0.0.0/24 VLAN 1 (Which c...

Everyone, This is a general question. Does anyone know what are the latest/hottest LAN designs trends being used for large scale campus and data center networks these days? Are you using L3 designs such as OSPF with ECMP or L2 designs in these large ...

I have a Cisco 2821 running Version 12.4(3b)We inserted the HWIC-4ESW and copied the config over from an identical router (same model, same card type, etc.).  I'm not seeing the ethernet ports though!  when i do a "show ip int br" all I can see is th...

Customer has ordered the following routers, which will go in three separate locations. 1.  3945 W/SPE150, IP Base Image2.  3945 Voice Bundle, includes PVDM3-64 and (1) 2-port T1 MFT 3.  2911 IP Base Image. If the customer wants to move the Voice imag...

I have a customer that is interested in building a fiber ring network.  Original discussions centered around building a network with approximately 15 devices on the network.  So we sold and implemented 14 Cisco Catalyst 2960S switches and 1 Catalyst ...

Wireless Phone --> 881W router --> VPN --> ASA5510 --> LAN with CCM and Voice GatewayPhone registers to CCMInternal calls workExternal calls connect but get no voice in either directionAny thoughts?

Hi,I have a situation where I need to get multicast video stream out of a system(sys1), through what will hopefully be a Cisco switch in L3 mode(sys2), to another sytem(sys3) so it can capture the multicast stream.  Sys3 cannot be directly connected ...

Hi All,Looking through the different IOS' available on a CAT6509-E with SUP720 modules I have spied the LAN only version of IOS. I cannot find what the difference is between this and the "regular" IOS. Can anyone enlighten me?Many Thanks,Tom Whittle

I have a questions regarding Jumbo Frame configuration. We have (2) 3750X switches in a stack configuration with Dell Equallogic 6500 storage and Dell Blades 610. The servers have Broadcom NICs with the Advanced Control Suite installed. What should t...

My question is, if a network does not have any redundant links, does all traffic still flow through the root bridge on each VLAN? I can see how it would if there were redundant links, but I am struggeling to picture it without.