Get online meetings, chat, file sharing, and more with microsoft teams in office 365. See how lync server workloads facilitate communication across an organization. How skype for business differs from lync 20 or not today at the office 365 summit, microsoft gave us a sneak peak at some of the new and improved features that skype for business will bring to enterprises. In a previous article discussing lync mobility an important behavior of the 20 mobile clients was pointed out which was the fact that 20 mobile clients are effectively hardcoded to always connect to the external ucwa service in lync. But without knowing some of the basic functionality provided it can be confusing at times to understand what traffic is going where in the topology.
Lync im traffic always passes through the server, using the sip protocol. This document is an update to the previous paper titled microsoft lync 20 and skype for business 2015 on view in vmware horizon 7. This diagram is important in any lync discussion as it shows exactly the ports and protocols required for lync edge servers and reverse proxy, and the traffic flow between the dmz and the lan. However, there are significant changes in the way lync server 20 provides logging and analysis for troubleshooting. Nov 11, 20 getting started with lync and wireshark. Lync 20 topology with high availability pools, dns lb. Scaled consolidated edge with hardware load balancers in lync server 20 topic last modified.
Oct 19, 2016 download this poster to understand the capabilities and requirements of lync 20, lync phone, lync web app, lync for mac, and lync mobile w. Microsoft lync 20 and skype for business on vmware. Features supported in view with microsoft lync 20 and skype for business 2015. Mitchell derrey, silver fox productions formatting. Oct 14, 2016 when you connect to an external network and want to connect to external servers, lync 20 skype for business always connects through the directaccess tunnel. Deploying the bigip system with microsoft lync server.
The lync client does an srv lookup to find an edge server to register against and then performs a sip register. Lync server 20 connectivity issues solutions experts. Some of the newer ciphers make this blog post impossible without removing them diffe hellman for example and leaving rsa. Mobile device at the wireless vlan attempt to route the traffic via the access edge server. Nov 07, 2016 microsoft skype for business call flow. Im trying to trouble shoot an issue with voip flow between a 20 mobile. Adds a policy setting from inband provisioning to disable. When you deploy directaccess to connect to microsoft lync 20 microsoft skype for business, media traffic that is set up over ipv6 may be unreliable and drops easily. You can use prime infrastructure to monitor the microsoft lync traffic in your network. Sep 10, 2015 lync 20 firewall diagram v2 recently while on a lync project i was asked by the network manager for a better explanation of the firewall rules that needed to be added. Users at our main office have full lync functionality while on the office network. Federated access will be unavailable for the duration of the outage. To do this you will have to add a 20 front end first as the 20 edge server role relies on it for a number of things. The server provides a 200 ok which includes in band provisioning details, including mras media relay authentication services which tells the.
This privacy supplement addresses the deployment and use of microsoft lync 20 communications software deployed within your enterprise. In lync 2010 you can still use the sbs for rgs or conferencing dialins, but all this features are temporarily out of order, if the main lync pool is not reachable, also the user presence. Microsoft lync server 20 protocol workloads poster. Get your team on the same page with group chat, online meetings, calling, and web conferencing. I stood up a lync 20 server on a single 2012 r2 virtual machine in a datacenter. I added an edge server also on 2012r2 not on the domain and network discovery fixed and i will not work outside the internal network. Skype for business new differences between lync 20 and. Lync and skype for business sip, media and call flows.
Aug 11, 2015 when you deploy directaccess to connect to microsoft lync 20 microsoft skype for business, media traffic that is set up over ipv6 may be unreliable and drops easily. Also on this page is the the external ip address of this edge pool is translated by nat option if you dont use public ip addresses on the external network interface. The port used for traffic between internal web conferencing servers and the web conferencing edge server. For remote access to work for any edge service, it is mandatory that sip traffic is allowed to flow bidirectionally as shown in the inboundoutbound edge traffic figure. Mar 14, 2014 download this poster to understand the capabilities and requirements of lync 20, lync phone, lync web app, lync for mac, and lync mobile w. In a previous article, we discussed the steps to deploy a new lync20 edge server into a lync20 fe pool that was coexisting with a legacy lync2010 pool with lync2010 edge. Analyzing xml file content written by lync server storage service lyss sri todi on 05202019 05. Lync server 20 supports mobility services for lync 2010 mobile and lync 20 mobile clients. Starting with the mediation server, the mediation server has two sites and one of them is associated with the isdn gateway. Stated another way, the sip messaging to and from the access edge service is involved in instant messaging im, presence, web conferencing, audiovideo av and federation. In my last post upgrading to skype for business server 2015 i showed how easy it was to take a standard edition lync 20 frontend and upgrade it inplace to skype for business server 2015. Using hardware load balancers in lync can be a costly endeavour for many reasons.
Access edge service the access edge service provides a single, trusted connection point for both outbound and inbound session initiation protocol sip traffic. Lync and skype for business sip, media and call flows recently i have been asked a lot how the sip and media flow among sfb users based on various scenarios, such as lyncskye for business users in the office, out of office, in the. Microsoft dedicated a whole breakout session towards upgrading from lync to skype for business. Troubleshoot media flow for calls going to um online. Microsoft lync 20 and skype for business on vmware horizon. Aug 15, 2014 this diagram is important in any lync discussion as it shows exactly the ports and protocols required for lync edge servers and reverse proxy, and the traffic flow between the dmz and the lan. This article takes a look at the services and network traffic which travels to, and through. The lync edge server is an often misunderstood server role that in theory is not all that complicated. Dec 20, 2012 new in lync server 20 is the option to use ipv6 on the internal and the external interface so if you have an ipv6 infrastructure you can use it with lync server 20.
A directory synchronization server planning for lync server 20 hybrid deployments various kinds of distribution are supported for the lync onpremises see topology requirements in the aforementioned technet article. Although having both the legacy edge and the 20 edge providing. The av authentication service is an internal lync component related to the internal deployment which authenticates media traffic coming from internal and travelling to external destinations. Edge servers forward accessconferencingav traffic to lync front end or director servers where applicable. Next i will run the second step setup or remove lync server components. Survivable branch server design and configuration lync.
In lync, there is an extensive number of ports used for various application services. Qos config for microsoft lync 20 extreme networks support. Jun 24, 2011 lync traffic flow diagrams lync workloads and ports by nathan lasnoski in working with lync, especially enterprise topologies, one of the most valuable skills is the ability to understand the flow of traffic within the infrastructure. Download microsoft lync server 20 protocol workloads poster. Ive found that if i understand the flow of traffic, i can quickly diagnose a problem and. This update adds a new client policy setting from inband provisioning in the endpointconfiguration provisioning group to disable media traffic over ipv6. Oct 29, 2014 wireshark or netmon is two of the best network traffic sniffing tools out there, learn how to use them and they will help you big deal with troubleshooting lync lync mvp matt landis has a great article on using wireshark to troubleshoot lync give it a try. When users connect to the corporate network using a vpn client, lync media traffic is sent through the vpn tunnel. How does microsoft lync 20 connect between clients during. I had sent the usual spreadsheettable you get from the planning tool and in the lync 20 detailed design calculator tool by alessio gio. Lync 20 topology with high availability pools, dns lb vs hlb.
Lync 20 firewall diagram v2 recently while on a lync project i was asked by the network manager for a better explanation of the firewall rules that needed to be added. Media will pass p2p if possible, otherwise it will go through a different component of the server as well. Flip your lync 20 edge to sfb posted by greig sheridan on 5 may 2015, 4. Port summary scaled consolidated edge with hardware load. So lync mediation service is listening on the default sip port 5060. Hello can anyone point me in the direction of documentation to do with how lync mobile 20 client manages voip call flow.
At the moment microsoft are saying no and plan to use the lync 20 phone edition software for all lync to skype for business upgrades until further notice. Lync and skype for business sip, media and call flows recently i have been asked a lot how the sip and media flow among sfb users based on various scenarios, such as lync skye for business users in the office, out of office, in the. I have a lync 20 installed on 2012r2 on the domain install that works perfectly on the inside network. The internal bigip ltm sends requests for simple urls, lync mobility, and the lync address book service to front end or director. Lync traffic flow diagrams lync workloads and ports. Some seemed flummoxed how they flow once an sfb users homing environment. Wireshark or netmon is two of the best network traffic sniffing tools out there, learn how to use them and they will help you big deal with troubleshooting lync lync mvp matt landis has a great article on using wireshark to troubleshoot lync give it a try. Learn how to troubleshoot lync skype for business the. Lync 2010 mobile uses the mobility service known as mcx, introduced with the cumulative update for lync server. One key factor is whether the client device is logged in remotely via an edge server, since this affects the address space that the device can access. May 29, 2014 access edge service the access edge service provides a single, trusted connection point for both outbound and inbound session initiation protocol sip traffic.
Since this means internally connected mobile clients will hairpin all signaling traffic through a reverse proxy service, it also. In working with lync, especially enterprise topologies, one of the most valuable skills is the ability to understand the flow of traffic within the infrastructure. Lync and skype for business sip, media and call flows recently i have been asked a lot how the sip and media flow among sfb users based on various scenarios, such as lync skye for business users in the office, out of office, in the cloud, onpremise and so on. Lync server 20 connectivity issues solutions experts exchange. There is a vpn from the main office to the datacenter network the lync server is on. The server provides a 200 ok which includes in band provisioning details, including mras media relay authentication services which tells the client there is an edge server service deployed. New in lync server 20 is the option to use ipv6 on the internal and the external interface so if you have an ipv6 infrastructure you can use it with lync server 20.
The traffic needs to be routed from lync edge to lync front end through the dmz to the local lan to front end server. Privacy supplement for microsoft lync server 20 lync. In lync 20 we have several components elements in the ip flow. However, i find it a little outdated office web apps missing and sometimes i need a little more space to draw some stuff and write down ip addresses. The command will export all the ports status on the server including each of the lync services. Download this poster to understand the capabilities and requirements of lync 20, lync phone, lync web app, lync for mac, and lync mobile w. Most of us who have done troubleshooting and analyzed sip traces on lync2010 will be familiar with the lync server logging tool and snooper. Most vpns require specially configuration to allow lync traffic to flow as it should. Jun 27, 20 in a production environment, changing the federation route and media traffic route requires downtime for the lync server 20 and lync server 2010 edge servers. Lync 20 with edge server solutions experts exchange. The question burning in my mind before this event was is this just a rebranding exercise.
Dscp is the lowest or second lowest in priority for qos examination. Lync 20 diagrams, diagrams, and more diagrams lync 20 vdi plugin traffic flow diagrams, diagrams, and more diagrams lync 20 vdi plugin traffic flow. If you change this port setting, make a corresponding change on your internal web conferencing servers by using the web conferencing edge server tab of web conferencing properties for each standard. The microsoft lync software defined network sdn api provides an interface for network management systems to access microsoft lync network diagnostic data for monitoring lync network traffic and optimizing microsoft lync quality of service. Users homed on the lync20 fe pool continued to use the legacy edge server for remote access and federation. Can anyone point me in the direction of documentation to do with how lync mobile 20 client manages voip call flow. Edge server is not included here but regardless of the model the edge server may be involved in. In addition to deploying lync server 20 or skype for business server 2015, you must deploy lync or skype for business software components on virtual machines and client devices. There is are significant differences between lync 2010 and lync 20, but in general the voice resiliency is still the same. For a full hlb solution for a single lync site with edge services, you would need an hlb for the frontend pool, an hlb for the internal interfaces on your edge pools and an hlb for the external interfaces on your edge pool. Some of the newer ciphers make this blog post impossible without removing them. You also need to add lync frontends fqdn and ip in your edge servers host file and make sure that you can ping your lync front ends ip from edge server. We will considered a scenario with an edge and a next hop based on. Its now easier to connect, share, and collaborate with others across devices and locations with microsoft teams.
Resolution to fix this issue, use one of the following methods. How does microsoft lync 20 connect between clients. Both clients use the lync server 20 autodiscover service to find its mobility entry point, but differ on which mobility service they use. Use lync server 20 topology builder, lync 2010 topology builder cannot be used.
Nov 28, 20 lync mobility media paths november 28, 20 by jeff schertz 21 comments in a previous article discussing lync mobility an important behavior of the 20 mobile clients was pointed out which was the fact that 20 mobile clients are effectively hardcoded to always connect to the external ucwa service in lync. Deploying the bigip system with microsoft lync server 2010. Understanding how lync establishes audiovideo paths using. This does not mean we need two dedicated nics, but it is in some circumstances possible or even necessary. No modification should be needed for a specific environment. Web conferencing edge service the web conferencing edge service enables external users to join meetings that are hosted on your internal lync server 20 deployment.