11-07-2013 08:58 AM - edited 03-07-2019 04:28 PM
Have a bit of a dilemma on my hands, let me paint the picture:
I have two offices connected by two bonded point to point T1s
I’m on old 1841 routers with 2 WIC-1DSU-T1V2 cards
Data connection seems to be great, T1s bond and give me whopping 3megs of bandwidth
Problem comes in when I have two of Adtran MX408e Pseudowire Gateways hooked up to the second Ethernet port on those routers – these gateways provide phone functionality between the two offices as we have a really old phone switch that we have to use(no VoIP).
More info on Adtrans -
http://www.adtran.com/web/page/portal/Adtran/product/1189608L1/255
I’m trying to get some sort of QoS going to reserve some(512 k) of bandwidth for these gateways as if I don’t, when traffic increases or pegs the bandwidth limitation I have with only 3megs, the voice calls get static on the lines and become unbearable at times.
I’m attaching parts of the config for both routers and I hope I implemented the QoS properly.
Please let me know if you have the same scenario or if there’s something you could suggest to fix my issue…or if I made a mistake in what I configured.
Thanks in advance
Solved! Go to Solution.
11-07-2013 10:57 AM
policy-map VOICE
class VOICE
priority 512
class class-default
fair-queue
interface Multilink1
ip address 10.1.2.61 255.255.255.252
ppp multilink
ppp multilink group 1
service-policy output VOICE
tx-ring-limit 2
11-07-2013 09:53 AM
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It looks to me you're on the right path. You might want to add class-default with fair-queue and you also might want to reduce tx-ring-limit on your MLPPP interface.
11-07-2013 10:49 AM
Could you give me specific commands for what you're suggesting - my QoS experience is novice at best
11-07-2013 10:57 AM
policy-map VOICE
class VOICE
priority 512
class class-default
fair-queue
interface Multilink1
ip address 10.1.2.61 255.255.255.252
ppp multilink
ppp multilink group 1
service-policy output VOICE
tx-ring-limit 2
11-07-2013 12:40 PM
This needs to be done on both routers i'm assuming?
Also, wanted to make sure that it should be
service-policy output VOICE
on both and not input on one...right?
11-07-2013 01:04 PM
yes and yes
11-07-2013 02:47 PM
made the changes, it did add an extra command
ip address 10.1.2.62 255.255.255.252
tx-ring-limit 2
tx-queue-limit 2
ppp multilink
ppp multilink group 1
service-policy output VOICE
is that ok?
11-07-2013 05:31 PM
yep
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