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watchgaurd QOS setup

can somebody explain to me the process of setting up QOS on a watchguard. at present there are 2 sites both with an xtm330. these sites are linked with a fiber lan extension (so effectively 100mbps lan connection). port 0 is for adsl conections, port 1 is lans and port 2 is the link. the main reason for this is to ensure the phone system isnt affected by other network traffic during busy times or when burst large data is transferred.
Network SecurityNetworking ProtocolsNetwork Management

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8/22/2022 - Mon
Paul Solovyovsky

Are you doing extended LAN or are you having all traffic go through the Watchguard and using VPN?

Three part that will be relevant to achieve it.
See below overview. For setup, I see mainly as "Define a Traffic Management action"

http://www.watchguard.com/help/docs/wsm/11/en-US/index_Left.html#CSHID=en-US%2Fqos_trafficmanagement%2Fconnection_bandwidth_set_limits_c.html|StartTopic=Content%2Fen-US%2Fqos_trafficmanagement%2Fconnection_bandwidth_set_limits_c.html|SkinName=WSM (en-US)

A traffic management queue with reserved bandwidth and low priority can give bandwidth to real-time applications with higher priority when necessary without disconnecting. Other traffic management queues can take advantage of unused reserved bandwidth when it becomes available.

You can use QoS Marking on a per-interface or per-policy basis. When you define QoS Marking for an interface, packets leaving that interface are marked. QoS Marking for a policy marks traffic that uses the policy.

Traffic prioritization at the firewall allows you to manage multiple class of service (CoS) queues and reserve the highest priority for real-time or streaming data. A policy with high priority can take bandwidth away from existing low priority connections when the link is congested and traffic is competing for bandwidth.

Also see this EE on watchguard

the phone system is on say on one site and on the other site so the traffic management needs to be applied to any traffic between these 2 ip addresses across sites, the link is port 2 on both wguards, which is obviously sharing the connection with data traffic so this needs to take priority over any other traffic so do i need to setup a policy on the port or create some rules for these ip's on each wguard with a policy applied??
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William Peck

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