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New Member

voip issue

Hi All

Anyone can help me to resolv some of voice issue ?

I had MC3810 with T1 module , recently increase more and more voice utilization between internal and branch via lease line .But MC3810 cpu loading up to 90%, the impact voice performance

I boos tell me change to best performance device ,So i just survey 3745 with 2 T1module,anyone can tell me 3745 can support 2*T1 and don't impact performance( very stable)

Qos type very variant(DSCP , LLQ RSVP,CBFWQ) , anyone can tell me which manner is suit for 3745 voip?

2 REPLIES
Cisco Employee

Re: voip issue

The cpu of 90% on MC3810 can be because of the IOS issue. Ideally with one T1 and at max use of it, the cou should not be at 90%.

Pl. issue "sh proc cpu" and see which process is spiking the cpu on MC3810.

So ios change can fix the issue.

Now as far as 3745 goes, it does supports 2T1 and any QoS method should work fine with it.

New Member

Re: voip issue

Hi Sir:

I am appreciate you reponse , could you tell me which IOS can fix the problem

Headquarter IOS is :12.0(3)T1 , Brach Office IOS is 12.0(7)T1

Both side used "vohdlc"

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