About minh_hieu

minh_hieu · 10-29-2013

Hi community,Can you share your idea can we prevent VOIP traffic like skype, kakaotalk, wechat, line...? If we can, how to do it, in general?. Because as far as I know these applications are peer-2-peer and use dynamic ports and update version very q...

minh_hieu · 09-16-2013

Hi community,Our customer have many VLANs which have our router subinterfaces as default gateways to the Internet. Now for security reason, our customer want to prevent traffic between hosts in a VLAN. Of course we can divide VLANs into small subnets...

minh_hieu · 07-01-2013

Hi community,It is said that a switch detects if its neighbor switches belong to the same mstp region by comparing its parameter with the neighbor ones. "An MSTP switch can also detect that a port is at the boundary of a region when it receives a le...

minh_hieu · 04-10-2013

Hi community,In Cisco, we can support both BFD Hello and demand mode. But I don't know how to configure to select one of this mode. For example, if I want to configure my Cisco router to run in Demand mode, how can I do? In the document, it only guid...

minh_hieu · 04-03-2013

Hi community,We know that inside one MSTP region, all switches should have the common mapping vlans to instances. However I wonder what happens if some switches have the different mapping such as instead of adding all VLANs, they only add some. Our ...

minh_hieu · 09-17-2013

Thank you all. Can you give me few ways of using ACL to do it? Because as far as I know layer 2 traffic will go directly from host to host using MAC forwarding table, not transit through our router. So how can our router apply ACL for it?

minh_hieu · 07-04-2013

Thank Peter.It is very useful information. Highly appreciate your comment Br,Hieu

minh_hieu · 04-04-2013

Hi Inayath,What you mention is about using 2 separate MSTP regions which is out of my ability at the moment (I may ask about it into another topic later). Here I'm concerning if we can use the only one MSTP region but some switches define few mstp in...

minh_hieu · 04-04-2013

Thank Paul for your help. A further discussion is that in case all VLANs of the customer switches belong to a separate instance, do they still need to define the other instances and VLAN of them (of course, they are still define the instance 0). t...

minh_hieu · 12-20-2012

Hi,Do you have it in the real network? I have to ask this question because I need to confirm for the customer, then they will order for CAT-6 cable.

Member Since	‎08-14-2012 08:52 PM
Date Last Visited	‎10-19-2017 05:42 AM
Posts	14

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Prevent OTT traffic like kakaotalk, wechat

Can we prevent traffic in a LAN

How switches detect different mstp regions

BFD Hello mode and Demand mode

MSTP vlan-map-to-instance

Re: Can we prevent traffic in a LAN

How switches detect different mstp regions

Re: MSTP vlan-map-to-instance

Re: MSTP vlan-map-to-instance

Can Cisco 1000BASE-T SFP work with CAT-6 cable