Cisco :: What Is Difference Between SDN And Openflow

May 30, 2012

I gather that Openflow is a type of SDN, but can't find out the differences between the definitions of the two.

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Cisco WAN :: Difference Between A9K-RSP-4G And A9K-RSP-8G?

Oct 2, 2011

Any difference between A9K-RSP-4G and A9K-RSP-8G?  What is the usage for additional 4GB memory?

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Cisco WAN :: Difference Between 881-SEC-K9 And 881-K9?

Dec 15, 2010

I need to set up a VPN connection between two branch offices and the main office (three nodes)From the specs it looks like CISCO881-K9 can do the job. What is the main difference between CISCO881-SEC-K9 and CISCO881-K9?Is Avanced IP security feature set required?

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The Key Difference Between PPP And IP?

Nov 15, 2011

why PPP is being used for data transmission and why IP is being used for Video ?

Cant we send video on PPP ? what problem we would face in this case ?

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Cisco Wireless :: Difference Between IOS 12.4 And 15.2

Feb 12, 2013

What is the main difference between IOS 12.4 and 15.2? 

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Cisco WAN :: Difference Between Wic 1FE And Wic 4ESW

Sep 8, 2009

What are different Wic-1FE Vs Wic-4ESW?

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Cisco WAN :: Difference Between Wic-1FE Vs Wic-4ESW

Jul 29, 2012

What are different Wic-1FE Vs Wic-4ESW?

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Cisco Wireless :: Difference Between 802.11 A And 802.11g

Feb 26, 2012

Although I know the difference between 802.11 a and 802.11 g standard but just confused about this. When both the standards have been originated from OFDM and provides maximum Data rate of 54 Mbps. They have almost similar features and the only difference is of Frequency range they work on i.e. 5 Ghz and 2.4 Ghz respectivity.If they both have so many similarities then why there are 2 different standards - a and g. Just due to the frequency bands are different ?

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Cisco Infrastructure :: Difference Between RPS 300 And 675

Jan 8, 2013

What is the difference between RPS 300 and RPS 675?

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Cisco Firewall :: Difference Between ASA 825 And 841

May 25, 2011

I am building 20 pairs of failover firewalls for work and I was wondering from the users of the new code 8.3 - 8.4 if there are anything to watch out for.  I know NAT changes from 8.2x to the newer 8.3 - 8.4 lines but would like to hear about real world thoughts on it.
 
I am working on my CCIE-Security on the side and right now the lab uses 8.2 but I am a good 6 to 9 months out, so I wonder if there will be a change in the lab to 8.3 before I try to go take it, what code to load and use on the production boxes.

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Cisco :: Difference Between NVRAM And Flash

Aug 15, 2011

what physically distinguished NVRAM from EEPROM (flash)? What type of memory is used for "firmware"

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Cisco :: Difference Between Anti-virus And IPS

Mar 10, 2012

If I have an updated Antivirus in my network, do you still recommend having IPS installed in my network?

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Difference Between Huawei And Cisco Switch

Jun 11, 2012

I have connected Huawei switch with Cisco switch using one single fiber with LX SFP. The port is up on one side (Blinking on Huawei side) and down on Cisco side..

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Cisco Firewall :: Difference Between ASA-SM1 And FWSM

Apr 1, 2013

Can any1 tell me wat is the difference between ASA-SM1 and FWSM.

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Cisco WAN :: 1X10GEWL V2 And 1X10GEL V2 Difference

Mar 21, 2012

SPA-1X10GE-WL-V2 and SPA-1X10GE-L-V2,I'm looking to add ASR 1002s for my internet edge and I need 10GE interfaces on them. Is there a difference between those 2 I've listed ?

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Cisco WAN :: Difference Between ES20 And SIp Cards?

Feb 5, 2012

I am pursuing a case of Cisco 7600 where the customer has asked me to highlight the major difference between teh new ES20 line cards and the SIP 400 cards

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Cisco Infrastructure :: Difference Between ASA-SM1 And FWSM

Mar 30, 2013

What is the difference between ASA-SM1 and FWSM and what is the throughput of it?

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Cisco Switching/Routing :: Difference Between FTE-10G And SFP-10G-SR

Sep 29, 2010

explain me the difference between FTE-10G and SFP-10G-SR, being focus on an architecture Nexus.

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Cisco Switching/Routing :: Difference Between 851 And 881?

Nov 6, 2012

I found a 851 router and tried to build a ezvpn tunnel.  The issue I am running into now is that a 851 router can only have one vlan in its database.  I need two vlans to go into the EZvpn tunnel with using another device.  So can you tell me if a 881 router can have more than one vlan created on the router and can those vlans be assigned to a interface and can I create a svi for each of those vlans as well.

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Cisco WAN :: 7206 - Difference In LLQ Implementation Between GSR / IOS-XR

Mar 9, 2011

I have a problem in understanding how LLQ is implemented in different platforms of Cisco.QoS should kick in only when there is a congestion in the link irrespective of queueing / scheduling (LLQ and CBWFQ).But in certain platforms like GSR and IOS-XR, LLQ is confiugred only with priority and police command not with "prioirity percent <value>" command. In priority and police command since policer is used, LLQ is always on even there is no period of congestion. Of course with police you can re-mark the exceed traffic to different marking but thats not the requirement in my case.
 
In platforms like 7206, LLQ is configured with "prioirty percent <value>" which works ideally only when there is a period of congestion. When there is no congestion, LLQ class can use scanvenge other classes as well.Would like to know is there any specific reason why there is a difference in the implentation of LLQ between different platforms of Cisco.

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What Is Difference Between Cisco 1840 And 1841

Aug 8, 2011

I have both here in front of me and they look identical and run the same software..

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Cisco Switching/Routing :: Difference Between SFP-10G-SR Or SFP-10G-LR?

Apr 10, 2012

what the difference betwen these two cards? SFP-10G-SR or SFP-10G-LR

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3g Stands For / Difference From 1g And 2g

Jul 27, 2012

I want to make a career in networking.What does 3g stand for.is it different from 1G or 2g except that the speed is higher than the above two.And nowdays the USB modems that come out say 3g and also there are two kinds of speed 3.6Mbps and 7.2 Mbps.How come such a huge difference under the same kind of connection standard .And when 3g came out there was lot of hype.

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Difference Between Localhost And 192.168.xxx.xx?

Jun 23, 2012

When I start a web browser based application with a URL beginning with the 192 IP address. it runs as it should including the script dbscript.php which executes a MySQL commit unit.However when I start the application with the same URL but beginning instead with "localhost", it fails during the commit unit. It puts a blank screen up (rather than a Succesful or Failed commit screen) and leaves an error message in the Apache error_log indicating a problem with dbscript.php (which does the commit).I assume the 192 IP address is that of my modem. I assume that because the application will not start with the 192 URL if the modem is switched off. The application will start whether the modem is on or off if the URL begins with "localhost".I have checked all hosts files that are on the system and see nothing amiss there -- they are all defaults and no changes have been made by me.

Configuration:

Mac OS X v. 10.6.8
Apache v. 2.2.21
PHP v. 5.3.8
MySql v. 5.1.39

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Difference Between NAS And RAID?

Feb 7, 2011

difference between NAS and RAID

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D-Link DIR-655 :: Difference Between WISH And QOS?

Sep 16, 2011

Just like the topic says i am wondering what is the difference between QOS and WISH on this router, as far i can tell they are both for traffic shaping but surely there must be a difference.Also will either allow for entire IP's/connections be prioritized over others or just specific applications?

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D-Link DIR-655 :: Difference Between PF / QOS And AR

Jul 27, 2012

First, I am lost between the differences between Port Forwarding, QoS and Application Rules...5 PC's online at same time playing Diablo 3. All lag terribly, and I see posts saying to setup QoS, then another says port foward, then another says setup application rules. I want any PC running D3 to have top priority and max bandwidth...If I try to set QoS, it has Protocol and Remote Port Ranges which I don't know what to put where.If I try to Port Forward, it only wants to let me use one IP address for the ports needed, plus I don't understand the difference between TCP and UDP settings.If I try Application Rules, it asks for a firewall port, which I don't know what to enter.Diablo 3 uses ports 80, 1119, and 6881-6999 I have Rev A2 with 1.21 Firmware and all my machines are on Win7. Should I upgrade firmware? If so, which one?

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Difference Between DOCSIS 3.0 And 2.0?

Mar 9, 2012

if my internet carrier supports both, why should I spend a little more to get a cable modem that has DOCSIS 3.0 support? What's the benefit over DOCSIS 2.0 (or 1.0)?

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Cisco :: Difference Between DWDM / CWDM And Regular SFP

Sep 9, 2011

What is the difference between DWDM/CWDM and "regular" SFP's? By "regular" I mean Rx and Tx are fixed to specific wavelength. As I have understood, at least Rx of WDM SFP's accepts a range of wavelengths

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Cisco :: BGP Difference Between Network Command And Redistribution

May 7, 2012

With the network command you can inject routes from the routing table into the BGP process.Why the need to redistribute routes from another routing protocol into BGP using redistribution if you can do the job with the network command?

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Cisco :: Difference Between Link Terms 10G And 10GE?

Jan 6, 2013

The difference between the link terms 10G & 10GE?

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Cisco :: Difference Between CIDR And Route Summarization?

Jul 4, 2012

Every time I see one of these words in a text book I start thinking 'isn't this the same thing as CIDR?' or 'isn't this the same thing as Route Summarization.'

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Cisco :: Difference Between Transform Set And Security Association

Apr 22, 2012

Whats the difference between a transform set and a security association? I understand that in the transform set you have to state AH or ESP, but why do you also have to choose a HMAC and an ecryption algorithm? Didnt we just configure that with isakmp? Also what is the point in selecting an encryption algorithm in isakmp if were using AH?

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