Troubleshooting VoIP

[tuyenvna]

Nhờ mọi người check dùm cấu hình VoIP trên kênh Leased-line 256kbps. R3661 dùng IOS 12.2(5) ENTERPRISE PLUS. Đường đã thông nhưng VoIP chạy không ổn định, có tiếng nhại khi thực hiện cuộc gọi. Data thỉnh thoảng bị mất, fải reload router. Có cần thiết fải upgrade IOS không?

Xin cảm ơn!

[sinhvienngheo]

Hi,

Xin được paste cấu hình của anh lên đây cho mọi người tiện tham khảo:

Anh thử tăng volum của cuộc gọi lên nhé. Thử và báo cho em biết kết quả:


voice-port 3/0/0
input gain 12

mến,


------------------------------------------------------
Building configuration...

Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname rhcm
!
enable password
!
!
class-map voice
match access-group 100
!
!
policy-map voice
class voice
priority 128
!
ip subnet-zero
!
--More--  isdn voice-call-failure 0
!
!
!
!
controller E1 5/0
!
!
!
interface FastEthernet0/0
ip address 130.21.33.34 255.255.0.0
ip helper-address 172.16.34.10
ip helper-address 172.16.40.100
ip helper-address 172.16.60.160
ip helper-address 172.16.60.11
no ip directed-broadcast
duplex auto
speed auto
!
interface FastEthernet1/0
ip address 10.1.1.254 255.255.255.0
no ip directed-broadcast
duplex auto
speed auto
!
interface Serial1/0
bandwidth 256
ip address 130.23.44.90 255.255.0.0
no ip directed-broadcast
no ip route-cache
no ip mroute-cache
keepalive 1
service-policy output voice
ip rtp header-compression
ip rtp compression-connections 100
!
interface BRI1/0
no ip address
no ip directed-broadcast
shutdown
isdn guard-timer 0 on-expiry accept
!
interface Serial1/1
no ip address
no ip directed-broadcast
shutdown
clockrate 2000000
!
interface FastEthernet5/0
no ip address
no ip directed-broadcast
shutdown
duplex auto
speed auto
!
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
ip route 130.44.0.0 255.255.0.0 Serial1/0 130.23.44.99
ip route 172.16.0.0 255.255.0.0 130.23.44.99
ip route 172.16.32.0 255.255.252.0 130.23.44.99
ip route 172.16.40.0 255.255.252.0 130.23.44.99
ip route 172.16.60.0 255.255.255.0 130.23.44.99
ip route 172.16.61.0 255.255.255.0 130.23.44.99
ip route 172.16.62.0 255.255.255.0 130.23.44.99
ip route 220.31.43.0 255.255.255.0 FastEthernet0/0 130.21.33.1
no ip http server
!
access-list 1 permit 172.16.59.0 0.0.0.255
access-list 1 deny any log
--More--  access-list 100 permit udp any any range 16384 32767 precedence critical
snmp-server engineID local 0000000902000007502171A0
snmp-server community adminvna RW 1
!
voice-port 2/0/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/0/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/1/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/1/1
operation 4-wire
type 5
!
--More--  voice-port 3/0/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/0/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/1/0
operation 4-wire
type 5
!
voice-port 3/1/1
no echo-cancel enable
operation 4-wire
type 5
!
dial-peer voice 81 pots
destination-pattern +8...
port 2/0/0
prefix 8
--More--  !
dial-peer voice 82 pots
destination-pattern +8...
port 2/0/1
prefix 8
!
dial-peer voice 83 pots
destination-pattern +8...
port 2/1/0
prefix 8
!
dial-peer voice 84 pots
destination-pattern +8...
port 2/1/1
prefix 8
!
dial-peer voice 85 pots
destination-pattern +8...
port 3/0/0
prefix 8
!
dial-peer voice 86 pots
destination-pattern +8...
--More--   port 3/0/1
prefix 8
!
dial-peer voice 87 pots
destination-pattern +8...
port 3/1/0
prefix 8
!
dial-peer voice 88 pots
destination-pattern +8...
port 3/1/1
prefix 8
!
dial-peer voice 96 pots
destination-pattern +9
port 3/0/0
prefix 9
!
dial-peer voice 97 pots
destination-pattern +9
port 3/0/1
prefix 9
!
--More--  dial-peer voice 98 pots
destination-pattern +9
port 3/1/0
prefix 9
!
dial-peer voice 99 pots
destination-pattern +9
port 3/1/1
prefix 9
!
dial-peer voice 102 voip
destination-pattern +2...
session target ipv4:130.23.44.99
req-qos controlled-load
ip precedence 5
!
dial-peer voice 103 voip
destination-pattern +3...
session target ipv4:130.23.44.99
req-qos controlled-load
ip precedence 5
!
!
--More--  line con 0
exec-timeout 0 0
transport input none
line 129 140
line aux 0
line vty 0 4
exec-timeout 0 0
password rhcm
login
!
end

rhcm#
Building configuration...

Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname rhcm
!
logging buffered 4096 debugging
enable password rhcm
!
username phanxapnam password 0 ttxvn
username pvcdhcm password 0 ttxvn
username kthcm password 0 tech123
username baodaipnam password 0 ttxvn
!
class-map voice
match access-group 100
!
!
policy-map voice
--More--   class voice
priority 128
!
ip subnet-zero
!
isdn voice-call-failure 0
chat-script MICA ABORT ERROR ATZ OK AT&FSO=1 OK EOT
chat-script MICA-init %
modemcap entry MICA:FD=AT&F:MSC=&FS0=1
modemcap entry 129 140
!
!
!
!
controller E1 5/0
framing NO-CRC4
ds0-group 1 timeslots 1-15,17-31 type r2-digital r2-compelled ani
cas-custom 1
country vietnam use-defaults
metering
!
!
!
--More--  interface Loopback0
ip address 192.168.2.254 255.255.255.0
no ip directed-broadcast
ip nat inside
!
interface FastEthernet0/0
no ip address
no ip directed-broadcast
duplex auto
speed auto
!
interface FastEthernet0/0.1
encapsulation dot1Q 1
ip address 172.17.1.33 255.255.255.224
ip access-group 9 out
no ip directed-broadcast
!
interface FastEthernet0/0.2
encapsulation dot1Q 2
ip address 172.17.2.1 255.255.255.0
ip helper-address 172.16.34.10
ip helper-address 172.16.40.100
ip helper-address 172.16.60.160
--More--   ip helper-address 172.16.60.11
no ip directed-broadcast
!
interface FastEthernet1/0
no ip address
no ip directed-broadcast
duplex auto
speed auto
!
interface Serial1/0
bandwidth 256
ip address 130.23.44.90 255.255.0.0
no ip directed-broadcast
no ip route-cache
no ip mroute-cache
keepalive 1
service-policy output voice
ip rtp header-compression
ip rtp compression-connections 100
!
interface BRI1/0
no ip address
no ip directed-broadcast
--More--   shutdown
isdn guard-timer 0 on-expiry accept
!
interface Serial1/1
no ip address
no ip directed-broadcast
shutdown
clockrate 2000000
!
interface FastEthernet5/0
no ip address
no ip directed-broadcast
shutdown
duplex auto
speed auto
!
interface FastEthernet5/0.1
no ip directed-broadcast
!
interface FastEthernet5/0.2
no ip directed-broadcast
!
interface Group-Async1
--More--   ip unnumbered Loopback0
no ip directed-broadcast
ip nat inside
encapsulation ppp
ip tcp header-compression
async mode interactive
peer default ip address pool REMOTE
ppp authentication chap
group-range 129 140
!
ip local pool REMOTE 192.168.2.1 192.168.2.12
ip nat inside source list 8 interface FastEthernet0/0 overload
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
ip route 130.44.0.0 255.255.0.0 Serial1/0 130.23.44.99
ip route 172.16.0.0 255.255.0.0 130.23.44.99
no ip http server
!
logging history debugging
access-list 1 permit 172.16.59.0 0.0.0.255
access-list 1 deny any log
access-list 8 permit 192.168.2.0 0.0.0.255
access-list 9 permit 172.16.59.0 0.0.0.255
--More--  access-list 9 permit 172.16.68.0 0.0.0.255
access-list 100 permit udp any any range 16384 32767 precedence critical
snmp-server engineID local 0000000902000007502171A0
snmp-server community adminvna RW 1
!
voice-port 2/0/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/0/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/1/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/1/1
no echo-cancel enable
operation 4-wire
--More--   type 5
!
voice-port 3/0/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/0/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/1/0
operation 4-wire
type 5
!
voice-port 3/1/1
no echo-cancel enable
operation 4-wire
type 5
!
dial-peer voice 81 pots
destination-pattern +8...
--More--   port 2/0/0
prefix 8
!
dial-peer voice 82 pots
destination-pattern +8...
port 2/0/1
prefix 8
!
dial-peer voice 83 pots
destination-pattern +8...
port 2/1/0
prefix 8
!
dial-peer voice 84 pots
destination-pattern +8...
port 2/1/1
prefix 8
!
dial-peer voice 85 pots
destination-pattern +8...
port 3/0/0
prefix 8
!
--More--  dial-peer voice 86 pots
destination-pattern +8...
port 3/0/1
prefix 8
!
dial-peer voice 87 pots
destination-pattern +8...
port 3/1/0
prefix 8
!
dial-peer voice 88 pots
destination-pattern +8...
port 3/1/1
prefix 8
!
dial-peer voice 96 pots
destination-pattern +9
port 3/0/0
prefix 9
!
dial-peer voice 97 pots
destination-pattern +9
port 3/0/1
--More--   prefix 9
!
dial-peer voice 98 pots
destination-pattern +9
port 3/1/0
prefix 9
!
dial-peer voice 99 pots
destination-pattern +9
port 3/1/1
prefix 9
!
dial-peer voice 102 voip
destination-pattern +2...
session target ipv4:130.23.44.99
req-qos controlled-load
ip precedence 5
!
dial-peer voice 103 voip
destination-pattern +3...
session target ipv4:130.23.44.99
req-qos controlled-load
ip precedence 5
--More--  !
!
line con 0
exec-timeout 0 0
password rhcm
login
transport input none
line 129 140
session-timeout 30
autoselect arap
autoselect during-login
autoselect ppp
session-disconnect-warning 1500
login local
modem answer-timeout 20
modem InOut
modem autoconfigure type MICA
transport input all
autohangup
stopbits 1
flowcontrol hardware
line aux 0
line vty 0 4
--More--   exec-timeout 0 0
password rhcm
login
!
end

rhcm#
Building configuration...

Current configuration : 4951 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname rhcm
!
no logging buffered
enable password 7 00161B0509
!
username phanxapnam password 7 15061F141224
username baodaipnam password 7 083558561F17
username kthcm password 7 071B244F46584B56
username pvcdhcm password 7 15061F141224
ip subnet-zero
!
!
no ip domain-lookup
ip host rhanoi 172.18.1.1
!
--More--  !
class-map match-all voice
match access-group 100
!
!
policy-map voice
class voice
priority 128
!
isdn voice-call-failure 0
call rsvp-sync
!
!
!
!
!
fax interface-type modem
mta receive maximum-recipients 0
!
controller E1 5/0
framing NO-CRC4
ds0-group 1 timeslots 1-15,17-31 type r2-digital r2-compelled ani
cas-custom 1
country vietnam use-defaults
metering
!
!
!
interface Loopback0
ip address 192.168.2.254 255.255.255.0
ip nat inside
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
!
interface FastEthernet0/0.1
encapsulation dot1Q 1 native
ip address 172.17.1.33 255.255.255.224
ip access-group 9 out
!
interface FastEthernet0/0.2
encapsulation dot1Q 2
ip address 172.17.2.1 255.255.255.0
ip access-group 180 in
--More--   ip helper-address 172.16.60.160
ip helper-address 172.16.60.11
ip helper-address 172.16.40.100
ip helper-address 172.16.34.10
ip helper-address 172.16.44.10
ip helper-address 172.16.38.10
ip helper-address 172.16.62.79
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface Serial1/0
bandwidth 256
ip address 172.18.1.2 255.255.255.248
no ip route-cache
no ip mroute-cache
keepalive 1
no fair-queue
ip rtp header-compression
ip rtp compression-connections 100
--More--  !
interface BRI1/0
no ip address
shutdown
!
interface Serial1/1
no ip address
shutdown
clockrate 2000000
!
interface FastEthernet5/0
no ip address
shutdown
duplex auto
speed auto
!
interface Group-Async1
ip unnumbered Loopback0
ip nat inside
encapsulation ppp
ip tcp header-compression
async mode dedicated
peer default ip address pool REMOTE
--More--   ppp authentication chap
group-range 129 140
!
ip local pool REMOTE 192.168.2.1 192.168.2.12
ip nat inside source list 8 interface FastEthernet0/0 overload
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
ip route 172.16.0.0 255.255.0.0 Serial1/0
ip http server
ip pim bidir-enable
!
access-list 8 permit 192.168.2.0 0.0.0.255
access-list 9 permit 172.18.1.1
access-list 9 permit 172.16.59.0 0.0.0.255
access-list 9 permit 172.16.68.0 0.0.0.255
access-list 100 permit udp any any range 16384 32767 precedence critical
access-list 180 deny tcp 172.17.2.0 0.0.0.255 host 172.17.2.1 eq www
access-list 180 permit ip any any
!
snmp-server engineID local 00000009020000070EEBDA90
snmp-server community adminvna RW 9
!
voice-port 2/0/0
--More--   no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/0/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/1/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 2/1/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/0/0
no echo-cancel enable
operation 4-wire
type 5
voice-port 3/0/1
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/1/0
no echo-cancel enable
operation 4-wire
type 5
!
voice-port 3/1/1
no echo-cancel enable
operation 4-wire
type 5
!
dial-peer cor custom
!
!
!
dial-peer voice 81 pots
destination-pattern +8...
port 2/0/0
prefix 8
!
dial-peer voice 82 pots
destination-pattern +8...
port 2/0/1
prefix 8
!
dial-peer voice 83 pots
destination-pattern +8...
port 2/1/0
prefix 8
!
dial-peer voice 84 pots
destination-pattern +8...
port 2/1/1
prefix 8
!
dial-peer voice 85 pots
destination-pattern +8...
port 3/0/0
prefix 8
!
dial-peer voice 86 pots
+8...
port 3/0/1
prefix 8
!
dial-peer voice 87 pots
destination-pattern +8...
port 3/1/0
prefix 8
!
dial-peer voice 88 pots
destination-pattern +8...
port 3/1/1
prefix 8
!
dial-peer voice 96 pots
destination-pattern +9
port 3/0/0
prefix 9
!
dial-peer voice 97 pots
destination-pattern +9
port 3/0/1
prefix 9
dial-peer voice 98 pots
destination-pattern +9
port 3/1/0
prefix 9
!
dial-peer voice 99 pots
destination-pattern +9
port 3/1/1
prefix 9
!
dial-peer voice 102 voip
destination-pattern +2...
session target ipv4:172.18.1.1
req-qos controlled-load
ip precedence 5
!
dial-peer voice 103 voip
destination-pattern +3...
session target ipv4:172.18.1.1
req-qos controlled-load
ip precedence 5
!
line con 0
password 7 111B11061A
login
line 129 140
session-timeout 30
session-disconnect-warning 1500
login local
modem answer-timeout 20
modem InOut
modem autoconfigure type mica
transport input all
autoselect during-login
autoselect ppp
autohangup
line aux 0
modem InOut
modem autoconfigure discovery
transport input all
stopbits 1
speed 2400
flowcontrol hardware
line vty 0 4
access-class 9 in
password 7 071D294F43
login
!
end

rhcm#

[cccp]

Khi gặp vấn đề về voip với sản phẩm Cisco, việc đầu tiên (sau khi check qua cấu hình) là copy IOS mới vào. Mình dùng từ copy vì đôi khi IOS có lỗi, copy chính version đang sử dụng từ ngoài vào lại thấy chayk rất ngon.

[danguyennhi]

ANh Tuyenvna có thể dùng LLQ để ưu tiên voice-traffic nếu các cách trện không hiệu quả.

[p_tuyenvoip]

Hi TUYEN, Minh thay trong cau hinh cac voice-port :
voice-port 3/1/1
no echo-cancel enable -----> Ban hay enable no nen
operation 4-wire
type 5

[tuyenvna]

Cảm ơn mọi người đã quan tâm, minh sẽ thử xem sao. Mặt khác, mọi người có ý kiến gì IOS 12.2(5) ENTERPRISE PLUS không? Mình mới Upload IOS này (trước dùng 12.0(7)). Mình nghe nói IOS 12.2T chạy VoIP rất ổn định?

[p_tuyenvoip]

Dung la 12.2T chay cho VoIP thi on dinh , Ban nen chay 12.2T5.

[tuyenvna]

Cảm ơn bạn.Hiện minh có IOS 12.2-11T không biết có dùng được không?

[p_tuyenvoip]

Minh cung da dung 12.2-11T IOS nay chay tot cho Voice , ban co the dung . Nhung chu y neu chay cho AS 53xx thi co the bi loi oneway audio.