Other Network Architecture Subjects

Need some quick assistance... We're in the beginning days of a core infrastructure upgrade moving to dual Nexus 7009's. Our Data Center folks order an APC 3350 48U rack to house the Nexus switches. Unfortunately, the side to side air flow requireme...

hello. my isp gives to me internet access and ipvt. for internet isp give's vpi 0 vci 33 , for iptv vpi 1 vci 35. How i can configure this vpi/vci channel on this device?

HiLet me know the DBUS capacity of RSP720, ES+2TG3C, ES+20G3C, WS-X6724-SFP...And Do the all of module have the DBUS?I want to know that....Thank you                    

Dear All,In one of our newly purchased Cisco Routers, I am getting the below error message : esw_mrvl_vlan_port_remove : Unable to find entry for VLAN(1) dbnum(1) esw_mrvl_vlan_port_remove : Unable to find entry for VLAN(1) dbnum(1)000083: .Aug 21 1...

Our phone system utilizes Cisco SPA504G and they are hosted by a company, basically all they require is internet access. However the phones will drop calls after just a few seconds when plugged into a Cisco router (Cisco 881). But if I plug into a cr...

Current hardware:C2821 router2 gigabit ethernet interfaces2 serial interfaces2 channelized T1/PRI portsCurrent Inventory:VWIC2-2MFT-T1/E1 Current WAN environment:3meg Multilink (2-T1s) MPLSQuestion: Can we add another 'VWIC2-2MFT-T1/E1' module with (...

I am currently designing a network which requires Multicasting, for UDP video traffic from multiple IP security cameras. This is the first time that I have had to use Multicasting, having relied so far on multiple unicast streams from the devices, I ...

I have a Cisco 1841 router and am using it at home to study for my CCENT/CCNA exam next week.  I need to practice using the SDM to configure NAT/PAT and DHCP as I hear this could be a possible exam topic.  Here's the problem:I believe that I already ...

Hello,I' ve a problem unpredictable on my interface bri0/0/0 (HWIC 1B-U card) on cisco 2901 : layer 1 U interface is DEACTIVATED - CO RUNNING LOOPBACK TESTS...And with this  message it's impossible to run the line. I don't understand why this error m...

Hi,i have a Question to Router RAM usage.My Router have 512MB of Memory.When i do a "show version" I get this otput:Cisco ********* processor with 491520K/32768K bytes of memory.This means 491MB for CPU and 32MB for IO.Now i do a "show memory" and ge...

Hi Guys,I'm facing some problem to design my network, hope to get some advice over here..Please find my current design below...Current design,             Fortigate Firewall                        | |                 Cisco 3750             ||        ...

I have few questions in my mind these are always making me confuse if any body have knowledge about these so please share your knowledge: 1-How different telecom service providers are connecting to each other? 2-How International call is being proces...

I am setting up a T-1 circuit and the instructions for the WIC on the router request that I use a RJ48C cable. I do not have one. Can I get away using a normal RJ45 Cat5e cable?