[cisco-voip] Troubleshooting Resources?

Todd Simons tsimons at delphi-tech.com
Thu Mar 27 09:35:23 EDT 2008


Information removed to protect the innocent, Sprint has the same CoS setting on their side of the MultilinkPPP

!<generic information cut>
version 12.4
service timestamps debug datetime msec
service timestamps log datetime localtime show-timezone
service password-encryption
!
hostname <REMOVED>
!
boot-start-marker
boot system flash c2801-ipvoicek9-mz.124-18.bin
boot-end-marker
!
card type t1 0 2
card type t1 0 3
!
no aaa new-model
clock timezone EST -5
clock summer-time est recurring
network-clock-participate wic 2 
network-clock-participate wic 3 
network-clock-select 9 T1 0/3/1
network-clock-select 10 T1 0/2/1
ip cef
!
isdn switch-type primary-4ess
isdn logging
!
voice-card 0
!
!
!
controller T1 0/2/0
 framing esf
 linecode b8zs
 cablelength long 0db
 channel-group 0 timeslots 1-24
 description SprintLink Circuit 1
!
controller T1 0/2/1
 framing esf
 linecode b8zs
 cablelength long 0db
 ds0-group 1 timeslots 1-4 type e&m-wink-start
 description PBX - Nortel T1
!
controller T1 0/3/0
 framing esf
 linecode b8zs
 cablelength long 0db
 channel-group 0 timeslots 1-24
 description SprintLink Circuit 2
!
controller T1 0/3/1
 framing esf
 linecode b8zs
 cablelength long 0db
 pri-group timeslots 1-9,24
 description PBX - Nortel PRI
!
class-map match-any delphiCOS-Platinum
 match access-group 2014
class-map match-any delphiCOS-Silver
 match access-group 2016
class-map match-any delphiCOS-Gold
 match access-group 2015
!
!
policy-map ipcos-delphiCOS
 class delphiCOS-Platinum
   police rate percent 17
     conform-action transmit 
  priority percent 17
 class delphiCOS-Silver
  bandwidth percent 25
 class delphiCOS-Gold
  bandwidth percent 33
!
!         
!
!
interface Loopback0
 description dtiNJ-VoIP
 ip address <removed-addr1>
 h323-gateway voip bind srcaddr <removed-addr1>
!
interface Loopback1
 no ip address
!
interface Multilink1
 description Sprintlink
 ip address <removed-addr2>
 no ip route-cache cef
 no ip route-cache
 no ip mroute-cache
 load-interval 30
 no peer neighbor-route
 no cdp enable
 ppp multilink
 ppp multilink group 1
 service-policy output ipcos-delphiCOS
!
interface FastEthernet0/0
 ip address <removed-addr3>
 speed 100
 full-duplex
!
interface FastEthernet0/1
 shutdown
!
interface Serial0/2/0:0
 description Sprint Circuit 1
 bandwidth 1536
 ip unnumbered Multilink1
 encapsulation ppp
 no fair-queue
 ppp multilink
 ppp multilink group 1
!
interface Serial0/3/0:0
 description Sprint Circuit 2
 bandwidth 1536
 ip unnumbered Multilink1
 encapsulation ppp
 no fair-queue
 ppp multilink
 ppp multilink group 1
!
interface Serial0/3/1:23
 description NJ Nortel PBX Client Side DCH 4ESS, requires Clock
 no ip address
 encapsulation hdlc
 logging event subif-link-status
 isdn switch-type primary-4ess
 isdn protocol-emulate network
 isdn incoming-voice voice
 isdn supp-service name calling
 isdn ie oli 28
 no cdp enable
!
access-list 2014 permit udp any any range 3248 16384
access-list 2014 permit tcp any any eq 1790
access-list 2015 permit tcp any any eq 443
access-list 2015 permit udp any any eq isakmp
access-list 2015 permit udp any any eq 768
access-list 2015 permit esp any any
access-list 2016 permit tcp any any eq ftp-data
access-list 2016 permit tcp any any eq ftp
access-list 2016 permit tcp any any eq 2456
!
!
!         
control-plane
!
disable-eadi
!
!
voice-port 0/0/0
 station-id name FXS 0/0/0
 station-id number 3000
 caller-id format e911
!
voice-port 0/0/1
 station-id name FXS 0/0/1
 station-id number 3001
 caller-id enable
!
voice-port 0/2/1:1
 station-id name NJPBX VoIP T1
 station-id number 732xxxxxxx
!
voice-port 0/3/1:23
!
!
!
!
!
dial-peer voice 195 voip
 destination-pattern 5...
 session target dns:dtiSH-VoIP
!
dial-peer voice 190 pots
 description NJPBX Tie Line
 preference 1
 destination-pattern [3-4][1-9]..
 direct-inward-dial
 port 0/3/1:23
 forward-digits all
!
dial-peer voice 193 voip
 preference 1
 destination-pattern [1,2]...
 session target dns:dtiMA-VoIP
!
!
gateway 
 timer receive-rtp 1200
!
telephony-service
 max-conferences 4 gain -6


-----Original Message-----
From: Paul [mailto:asobihoudai at yahoo.com] 
Sent: Wednesday, March 26, 2008 8:15 PM
To: Todd Simons; Jorge L. Rodriguez Aguila; cisco-voip at puck-nether.net
Subject: Re: [cisco-voip] Troubleshooting Resources?

Let's see your router's configuration.

--- Todd Simons <tsimons at delphi-tech.com> wrote:

> Yes, the "internet" traffic remains on the
> SprintLink backbone between their NYC NOC and their
> Springfield, MA NOC, which are 5~6 hops apart and
> not much more than 10ms latency
> 
>  
> 
> From: Jorge L. Rodriguez Aguila
> [mailto:jorge.rodriguez at netxar.com] 
> Sent: Wednesday, March 26, 2008 6:56 PM
> To: Todd Simons; cisco-voip at puck-nether.net
> Subject: RE: [cisco-voip] Troubleshooting Resources?
> 
>  
> 
> Do you mean you are running Voice via the internet?
> 
>  
> 
> Jorge
> 
>  
> 
> From: Todd Simons [mailto:tsimons at delphi-tech.com] 
> Sent: Wednesday, March 26, 2008 5:28 PM
> To: Jorge L. Rodriguez Aguila;
> cisco-voip at puck-nether.net
> Subject: RE: [cisco-voip] Troubleshooting Resources?
> 
>  
> 
> I'm new to this.
> 
>  
> 
> I have PRI's to our non-VoIP PBXs, to Cisco 2801
> routers (our data internet routers), and then
> dialpeers (pots/voip) defined from there, very
> basic.
> 
>  
> 
> From: Jorge L. Rodriguez Aguila
> [mailto:jorge.rodriguez at netxar.com] 
> Sent: Wednesday, March 26, 2008 4:56 PM
> To: Todd Simons; cisco-voip at puck-nether.net
> Subject: RE: [cisco-voip] Troubleshooting Resources?
> 
>  
> 
> Are you doing CAC? Can you give some more info on
> Codecs, Bandwidth on LLQ for voice, etc.
> 
>  
> 
>  
> 
> Jorge Rodríguez Aguila
> 
> CCNA,CCVP
> 
> Senior Voice/Data Network Consultant
> 
> Netxar Technologies
> 
> jorge.rodriguez at netxar.com
> 
> Office 787-765-0058
> 
> PCS 787-688-8530
> 
>  
> 
>  
> 
>  
> 
>  
> 
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On
> Behalf Of Todd Simons
> Sent: Wednesday, March 26, 2008 4:50 PM
> To: cisco-voip at puck-nether.net
> Subject: [cisco-voip] Troubleshooting Resources?
> 
>  
> 
> Hello All
> 
>  
> 
> Does anyone have any links for troubleshooting
> procedures?  We have everything from reduced call
> quality to voice dropping off.
> 
>  
> 
> We are running on Sprint's internet backbone with
> CoS assigned, 6 hops between the routers and about
> 10ms latency, both sides have multilink ppp
> connections (2xT1)
> 
>  
> 
> ~Todd




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