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- DSCP and L2 switch
- Hi all,Some L2 switch can trust DSCP on interfaces.Why L2 switch can look at DSCP value in IP header? Is this just the way it works when you put the dscp trust command?Any input will be appreciated.Thanks in advance."Smart" Layer 2 switches are aware of what's going on on the...
- Tags: DSCP, DSCP value, L2 switch, summers, it management
- Q&A 2006-08-04
- Catalyst qos
- Hi all,I am a junior network engineer.I am currently working on catalyst 3650 and wondering if my understanding is correct about qos.1) a dscp or cos value in incoming packet gets translated to internal dscp value.2)internal dscp value gets translated to cos value.3) packets get assinged to a certain queue...
- Tags: QoS, Value at Risk, summers, it management, Cisco Catalyst, DSCP
- Q&A 2006-04-02
Additional Resources
- JPCAP & DSCP
- Hello thereDoes anyone has an idea about how can someone can view the DSCP Differentiated Services Code Point field using the JPCAP library...I try for exampleif packet instanceof IPPacket{newPacket=IPPacketpacket;byte myByte=newPacket.rsv_tos;...etc}but I get that the byte length is zeroBest regardsSpirus
- Tags: JPCAP & DSCP, sorfanos@...
- Discussion threads 2007-02-13
- Prioritisng IP traffic on Cisco
- HII want to run an IP PBX (Digium / Asterisk) for local and international calls. My Internet connection is via VSAT and very expensive but I want to be able to have toll quality voice for 4 concurrent international calls. The IP PBX will reside on the LAN and my...
- Tags: Asterisk, Cisco Systems Inc., IP Traffic, IP-PBX, CBQ, denisobrien, networking, voice, IP
- Q&A 2006-06-20
- Dimensioning Network Resources in DiffServ Over MPLS Based Expedited Forwarding Service Subclasses
- The authors use the highest Differentiated Service Code Point DSCP values in DiffServ architecture, and employ the traffic engineering possibilities through MPLS techniques in order to introduce new premium services by splitting the expedited forwarding service class into three premium service subclasses in MPLS enabled DiffServ network. Consequently, Internet Service...
- Tags: MPLS, Network, Network Technology, Networking
- White papers 2005-01-14
- Setting up MPLS/dot1Q Encapsulation Question
- I've got a 1721 Cisco router running 12.4 IP Base with an internal T1 DSU on interface serial0. This router is going to become a CE router to a MPLS network soon and I'm trying to figure this thing out. I've only got one Fast Ethernet port on...
- Tags: Network technology, Routers & switches, NETWORKING, rjcla@..., router, IP, IP address
- Discussion threads 2007-04-23
- Tech Tip: Stop file-sharing applications on your network
- By Mike MullinsPeer-to-peer (P2P) software is an escalatingtechnology: Kazaa Media Desktop is currently the most populardownload on CNET Network's Download.com. It's been ranked on theMost Popular chart for 57 weeks and was downloaded 2,774,309 timesin the past week. Other popular P2P downloads on the site includeiMesh, Morpheus, and Grokster. ...
- Tags: file-sharing, network, P2P, P2P Applications, software
- Technical articles 2003-12-08
- What can Cisco's Network-Based Application Recognition (NBAR) do for you?
- In 2005, in an article about Cisco IOS 12.3, I wrote that Cisco's Network-Based Application Recognition NBAR was one of the best features of the IOS. Two years later, it still is. Let's look at what NBAR can do for you and find out how to configure it. What...
- Tags: Application, Cisco IOS, Router, Network, Traffic, Cisco Systems Inc., Network Based Application Recognition, Routers & Switches, Network Technology, Networking, David Davis
- Blog posts 2007-11-29
- Learn the benefits of Cisco AutoQoS
- Configuring quality of service QoS can be very complex. To help make network administrators' lives easier, Cisco has developed AutoQoS, which configures QoS settings for you. In this edition of Cisco Routers and Switches, David Davis introduces you to AutoQoS, discusses its benefits, and tells you how to configure it....
- Tags: QoS, Cisco Systems Inc., Cisco AutoQoS, benefit, David Davis CCIE, MCSE+I, SCSA, Cisco Routers and Management Newsletter, Cisco IOS, Router, Traffic, Command, David Davis, AutoQoS Configuration, Policy-map
- Technical articles 2006-11-09
- Wireless and "wired" networking
- I'm trying to setup my previously working home network using a new wireless router. Router 1 - SMC (2804wbrp-g) It has 4 ethernet ports on the back and one uplink DSL ModemRouter 2 - DLink (DI-604) 5 ethernet ports and one uplink portComputer 1 - Windows XP Home SP2Computer 2...
- Tags: computer, DLink, karma1, network, networking, PC, router, SMC, windows, wireless
- Q&A 2004-12-02
- Packet Prioritization/QoS
- I am looking for a reasonably affordable and reliable way to provide packet prioritization within my LAN, based on TCP/UDP port.For example, I want VoIP traffic to flow through my network uninterrupted, without being squelched by somone copying a large file to the server.I think this would be accomplished by...
- Tags: Cisco Systems Inc., LAN, networking, Susu, VLAN, VoIP, VoIP traffic
- Q&A 2005-03-04
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