How can i prioritize PBX over Router? (PBX and Router plug directly into Modem)
I work for a small ISP and i just got hired here a couple months ago. I've been tasked to figure out a solution to this problem. We have customers that have a network, and they also have a phone system. Both devices (router and PBX box) have a static IP address and plug directly into the modem. The issue we see is that the internal network is hogging the bandwidth and this kills the phone systems quality. What i tried was putting a 2960 in between the modem and router/PBX system. Then rate limiting the port to the internal network but it doesn't work out so well. I have it set to use 8mb/800bk. Which should dedicate 2mb/200kb for their phone system at all times. But when i do speed tests i get 2mb down and 200kb up. My download speeds are not right, yet when i do a "no mls qos" the download goes to the 8mb i have set, but then my upload doesnt work correctly. Does anyone have an idea to fix this? Or any better ideas?
no aaa new-model system mtu routing 1500 ! ip domain-name XXXXX.com ! mls qos ! spanning-tree mode pvst spanning-tree extend system-id ! vlan internal allocation policy ascending ! ip tftp source-interface Vlan1 ! class-map match-all RATE_LIMIT_CLASS match access-group name RATE_LIMIT_ACL ! policy-map RATE_LIMIT_POLICY class RATE_LIMIT_CLASS police 800000 8000 exceed-action drop ! interface FastEthernet0/1 description Internal Network speed 10 duplex full srr-queue bandwidth limit 80 service-policy input RATE_LIMIT_POLICY ! interface FastEthernet0/2
description PBX Box ! ip http server ip http secure-server ! ip access-list extended RATE_LIMIT_ACL permit ip any any access-list 50 permit X.X.X.X 0.0.2.255 ! ! line con 0 logging synchronous line vty 0 4 access-class 50 in logging synchronous login local line vty 5 15 access-class 50 in logging synchronous login local ! end
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