Other Network Architecture Subjects

Does anybody have a good reference to explain why many QoS features require CEF to be enabled, and how the two interact?  I've seen the Cisco doc:http://www.cisco.com/en/US/tech/tk39/tk824/technologies_tech_note09186a0080094978.shtmlBut this only tel...

I would like to know which patch cord should I be using between X2-10GB-SR and SFP-10G-SR. The mention of part no would be very helpful.Thank You

I have an opportunity to gain employment with a network consulting firm. Part of the process is to take some information that goes through a mock RFP and come up with a design. It is an excellent way for them to see what I have to offer given all the...

Hi,We are currently researching on replacing our current 6509E's with 6513E's. We have decided to go with virtual switching offered VS-S720-10G-3C * and VS-S720-10G-3C * supervisor modules. I saw a note stating (** Requires DFC3's) to utilize maxiumn...

Hello I need some help I have three routers 811 (independent), and the interface cellular 0 resets in all three, someone knows something about thisOct 30 12:15:10.501: %CISCO800-2-MODEM_REMOVAL_DETECTED: Cellular0 modem is now REMOVEDOct 30 12:15:10....

Cisco ASR 1001 Router would support fiber hand-off of the link. Below is the Specifications of the Router - we received from vendor:DescriptionQuantityCisco ASR1001 System,Crypto, 4 built-in GE, Dual P/S1Cisco 5-Port Gigabit Ethernet Shared Port Adap...

We currently have an issue with our Brooktrout SR140 FoIP software. After upgrading from Cisco Call Manager 6.1 (2) to Cisco Call Manager 8.6.2(a) 8.6.2.20000-2 we have been unable to send faxes. Our communications section has advised that the settin...

Dear Experts,I would like to set up a POTS Dial connection between 2 Cisco routers, using the modem card WIC-1AM-V2. I'd like to use this as an out-of-band connection to a remote site, if the primary internet connection fails. So, this setup will onl...

Hi everyone! I'm reviewing ACLs for the CCNA. I had a question in the practice certification exam # 1 in cisco.netacad asking me to block telnet in three statements with an extended ACL. I answered this:access-list 100 deny tcp any any eq telnetacces...

HiI have two EHWIC VA -DSL cards in a Cisco 2901.I want each to connect to a separate ISP, one ISP for VOIP, one for Internet. I want to then have a VLAN for VOIP, a VLAN for DATACould do with some help on setting this up.

we just replace 6500 with N7K, after migration there're some device (server,pc,printer) change its ip address configuration (subnet and gateway) by it self. can N7K did it?---Posted by WebUser Hafif Hery Husen from Cisco Support Community App

I was just trying to put IPV6 address in my computer but it not able to communicate with other IPV4 computer so my question is is there any compatibility problem with IPV6 and IPv4 and how we can make communication within both IP versions.

For auto-configuration of Cisco switch ports, what version of CDP is required?  Can LLDP be used for medianet auto-configuration?

I want to connect a mid-platform (2 Web Servers , 2 Database-Servers, 1  SAN) to my enterprise network where exists three Cisco Switches. For the moment i have two main topologies to choose to implement. The first one has an inter-link between the ...

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...