使用多個BRI介面配置多鏈路PPP

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已更新: 2005 年 9 月 9 日

文件 ID:10308

無偏見用語

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關於此翻譯

思科已使用電腦和人工技術翻譯本文件，讓全世界的使用者能夠以自己的語言理解支援內容。請注意，即使是最佳機器翻譯，也不如專業譯者翻譯的內容準確。Cisco Systems, Inc. 對這些翻譯的準確度概不負責，並建議一律查看原始英文文件（提供連結）。

簡介

本文檔提供了具有多個BRI介面的路由器的配置示例，該路由器撥打具有多個BRI介面的路由器，並建立多鏈路PPP(MPPP)連線。撥號的路由器必須確定遠端BRI上不再有可用通道，然後撥打下一個遠端BRI電話號碼以建立其他通道。

兩台路由器都使用撥號器配置檔案繫結物理BRI介面。您還可以使用撥號器旋轉組配置此設定，如使用旋轉組為多個BRI配置MPPP中所述。

有關撥號程式設定檔的詳細資訊，請參閱設定和疑難排解撥號程式設定檔。

必要條件

需求

本文件沒有特定需求。

採用元件

本文中的資訊係根據以下軟體和硬體版本：

Cisco 3640，帶運行Cisco IOS??的四埠BRI模組軟體版本12.1(4)。
Cisco 4000，具有四個執行Cisco IOS軟體版本12.1(4)的BRI介面。
兩端BRI電路。這些BRI未在尋線組中配置。

本文中的資訊是根據特定實驗室環境內的裝置所建立。文中使用到的所有裝置皆從已清除（預設）的組態來啟動。如果您在即時網路中工作，請確保在使用任何命令之前瞭解其潛在影響。

慣例

如需文件慣例的詳細資訊，請參閱思科技術提示慣例。

設定

本節提供用於設定本文件中所述功能的資訊。

注意：要查詢有關本文檔中使用的命令的其他資訊，請使用命令查詢工具(僅限註冊客戶)

網路圖表

本檔案會使用以下網路設定：

組態

本檔案會使用以下設定：

melanie（思科3640）
torito(Cisco 4000)

melanie（思科3640）
Current configuration: version 12.1 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname melanie ! enable password ww ! username torito password 0 ww !--- Username for remote router (torito) and shared secret (used for !--- Challenge Handshake Authentication Protocol (CHAP) authentication). !--- Shared secret must be the same on both sides. isdn switch-type basic-net3 ! interface Loopback0 ip address 10.10.10.1 255.255.255.0 ! interface BRI0/0 no ip address shutdown ! interface BRI2/0 no ip address shutdown ! interface BRI2/1 !--- First BRI interface. description ISDN number 6104 !--- Phone number of this BRI. no ip address encapsulation ppp dialer pool-member 1 !--- Member of dialer pool 1. isdn switch-type basic-net3 no cdp enable ppp authentication chap !--- Use CHAP authentication. ppp multilink !--- Enable multilink on the physical interface. ! interface BRI2/2 !--- Second BRI interface. description ISDN number 6103 !--- Phone number of this BRI. no ip address encapsulation ppp dialer pool-member 1 !--- Member of dialer pool 1. isdn switch-type basic-net3 no cdp enable ppp authentication chap !--- Use CHAP authentication. ppp multilink !--- Enable multilink on the physical interface. ! interface BRI2/3 no ip address shutdown ! interface Dialer2 !--- Dialer interface used for dialout. ip unnumbered Loopback0 !--- Use the loopback0 address. !--- Static route on remote router points to this Loopback0 address. encapsulation ppp dialer pool 1 !--- Defines dialer pool 1. !--- BRI 2/1 and BRI 2/2 are members of this pool. dialer string 6113 !--- Dial 6113 first . dialer string 6114 !--- If 6113 fails, dial 6114 . !--- Both numbers are required. Otherwise, the third call encounters a busy signal. dialer load-threshold 1 either !--- Load level (in either direction) for traffic at which additional !--- connections will be added to the MPPP bundle. !--- Load level values range from 1 (unloaded) to 255 (fully loaded). dialer-group 1 !--- Apply interesting traffic definition from dialer-list 1. no cdp enable ppp authentication chap !--- Use CHAP authentication. ppp multilink !--- Allow MPPP for the four BRI channels. ! ip route 10.10.12.1 255.255.255.255 Dialer2 !--- Static route to remote router. !--- All traffic destined for the remote router must use int Dialer2 ! dialer-list 1 protocol ip permit !--- All IP traffic is designated as interesting. !--- This is applied to interface dialer2 with the help of dialer-group 1. line con 0 transport input none line 97 114 modem InOut transport input all line aux 0 line vty 0 4 login ! end

melanie（思科3640）

Current configuration:

version 12.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname melanie
!
enable password ww
!
username torito password 0 ww

!--- Username for remote router (torito) and shared secret (used for !--- Challenge Handshake Authentication Protocol (CHAP) authentication). !--- Shared secret must be the same on both sides.

isdn switch-type basic-net3
!
interface Loopback0
ip address 10.10.10.1 255.255.255.0
!
interface BRI0/0
no ip address
shutdown
!
interface BRI2/0
no ip address
shutdown
!
interface BRI2/1

!--- First BRI interface.

description ISDN number 6104

!--- Phone number of this BRI.

no ip address
encapsulation ppp
dialer pool-member 1

!--- Member of dialer pool 1.

isdn switch-type basic-net3
no cdp enable
ppp authentication chap

!--- Use CHAP authentication.

ppp multilink

!--- Enable multilink on the physical interface.

!
interface BRI2/2

!--- Second BRI interface.

description ISDN number 6103

!--- Phone number of this BRI.

no ip address
encapsulation ppp
dialer pool-member 1

!--- Member of dialer pool 1.

isdn switch-type basic-net3
no cdp enable
ppp authentication chap

!--- Use CHAP authentication.

ppp multilink

!--- Enable multilink on the physical interface.

!
interface BRI2/3
no ip address
shutdown
!
interface Dialer2

!--- Dialer interface used for dialout.

ip unnumbered Loopback0

!--- Use the loopback0 address. !--- Static route on remote router points to this Loopback0 address.

encapsulation ppp
dialer pool 1

!--- Defines dialer pool 1. !--- BRI 2/1 and BRI 2/2 are members of this pool.

dialer string 6113

!--- Dial 6113 first
.
dialer string 6114

!--- If 6113 fails, dial 6114 . !--- Both numbers are required. Otherwise, the third call encounters a busy signal.

dialer load-threshold 1 either

!--- Load level (in either direction) for traffic at which additional !--- connections will be added to the MPPP bundle. !--- Load level values range from 1 (unloaded) to 255 (fully loaded).

dialer-group 1

!--- Apply interesting traffic definition from dialer-list 1.

no cdp enable
ppp authentication chap

!--- Use CHAP authentication.

ppp multilink

!--- Allow MPPP for the four BRI channels.

!
ip route 10.10.12.1 255.255.255.255 Dialer2

!--- Static route to remote router. !--- All traffic destined for the remote router must use int Dialer2

!
dialer-list 1 protocol ip permit

!--- All IP traffic is designated as interesting. !--- This is applied to interface dialer2 with the help of dialer-group 1.

line con 0
transport input none
line 97 114
modem InOut
transport input all
line aux 0
line vty 0 4
login
!
end

請注意Cisco 3640(melanie)配置中的以下幾點：

該配置使用撥號器配置檔案。BRI介面是撥號器池的成員。特定於目標的所有配置設定均在介面撥號器2配置中配置。
撥號器介面有兩個撥號器字串。請記住，遠端路由器上有兩個BRI介面(torito)。由於這些BRI未在Telco的尋線組中配置，因此路由器melanie必須單獨撥打每個BRI。使用多個撥號器串時，第一個電話號碼總是被撥打。只有當呼叫失敗時，撥號器介面才會嘗試第二個撥號器字串。我們可以根據需要定義許多按順序使用的撥號器字串。
MPPP的撥號器負載閾值設定為1，這是最小值。該值可根據您的流量模式和要求更改。但是，如果定義更高的負載閾值，則只有在負載超過該定義時才新增其他連結。有關如何控制將通道新增到多重連結套件組合中的詳細資訊，請參閱調節和可選命令一節。
遠端路由器的靜態主機路由指向介面撥號器2。然後將流量從池的物理成員（BRI 2/1和BRI 2/2）轉發出去。為應使用多鏈路連線的目標流量建立靜態路由（或使用路由協定）。

torito(Cisco 4000)
Current configuration: ! version 12.1 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname torito ! username melanie password 0 ww !--- Username for remote router (melanie) and shared secret !--- (used for CHAP authentication). !--- Shared secret must be the same on both sides. ! isdn switch-type basic-net3 interface Loopback0 ip address 10.10.12.1 255.255.255.0 ! interface BRI0 no ip address shutdown ! interface BRI1 !--- Phone number is 6113. no ip address encapsulation ppp dialer pool-member 1 !--- Member of dialer pool 1. isdn switch-type basic-net3 ppp authentication chap !--- Use CHAP authentication. ppp multilink !--- Enable multilink on the physical interface. !--- Unless you use CLID/DNIS based binding, this command is required. !--- See Configuring and Troubleshooting Dialer Profiles for more information. ! interface BRI2 !--- Phone number is 6114. no ip address encapsulation ppp dialer pool-member 1 !--- Member of dialer pool 1. isdn switch-type basic-net3 ppp authentication chap !--- Use CHAP authentication. ppp multilink !--- Enable multilink on the physical interface. !--- Unless you use CLID/DNIS based binding, this command is required. !--- See Configuring and Troubleshooting Dialer Profiles for more information. ! interface BRI3 no ip address shutdown ! interface Dialer1 ip unnumbered Loopback0 !--- Use the Loopback0 address. !--- The static route on remote router points to this Loopback0 address. encapsulation ppp dialer pool 1 !--- Defines Dialer pool 1. !--- BRI 1 and BRI 2 are members of this pool. dialer remote-name melanie !--- Specifies the name of the remote router. !--- This name matches the name used by the remote router to authenticate itself. dialer-group 1 !--- Apply interesting traffic definition from dialer-list 1. ppp authentication chap !--- Use CHAP authentication. ppp multilink !--- Allow MPPP for the 4 BRI channels. ! ip route 10.10.10.1 255.255.255.255 Dialer1 !--- Static route to remote router. !--- All traffic destined for the remote router must use int Dialer1. dialer-list 1 protocol ip permit !--- All IP traffic is designated as interesting. !--- This is applied to interface dialer2 using dialer-group 1. line con 0 exec-timeout 0 0 transport input none line aux 0 exec-timeout 0 0 transport input all line vty 0 4 password ww login ! end

torito(Cisco 4000)

Current configuration:
!
version 12.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname torito
!
username melanie password 0 ww

!--- Username for remote router (melanie) and shared secret !--- (used for CHAP authentication). !--- Shared secret must be the same on both sides.

!
isdn switch-type basic-net3

interface Loopback0
ip address 10.10.12.1 255.255.255.0
!
interface BRI0
no ip address
shutdown
!
interface BRI1

!--- Phone number is 6113.

no ip address
encapsulation ppp
dialer pool-member 1

!--- Member of dialer pool 1.

isdn switch-type basic-net3
ppp authentication chap

!--- Use CHAP authentication.

ppp multilink

!--- Enable multilink on the physical interface. !--- Unless you use CLID/DNIS based binding, this command is required. !--- See Configuring and Troubleshooting Dialer Profiles for more information.

!
interface BRI2

!--- Phone number is 6114.

no ip address
encapsulation ppp
dialer pool-member 1

!--- Member of dialer pool 1.

isdn switch-type basic-net3
ppp authentication chap

!--- Use CHAP authentication.

ppp multilink

!--- Enable multilink on the physical interface. !--- Unless you use CLID/DNIS based binding, this command is required. !--- See Configuring and Troubleshooting Dialer Profiles for more information.

!
interface BRI3
no ip address
shutdown
!
interface Dialer1
ip unnumbered Loopback0

!--- Use the Loopback0 address. !--- The static route on remote router points to this Loopback0 address.

encapsulation ppp
dialer pool 1

!--- Defines Dialer pool 1. !--- BRI 1 and BRI 2 are members of this pool.

dialer remote-name melanie

!--- Specifies the name of the remote router. !--- This name matches the name used by the remote router to authenticate itself.

dialer-group 1

!--- Apply interesting traffic definition from dialer-list 1.

ppp authentication chap

!--- Use CHAP authentication.

ppp multilink

!--- Allow MPPP for the 4 BRI channels.

!
ip route 10.10.10.1 255.255.255.255 Dialer1

!--- Static route to remote router. !--- All traffic destined for the remote router must use int Dialer1.

dialer-list 1 protocol ip permit

!--- All IP traffic is designated as interesting. !--- This is applied to interface dialer2 using dialer-group 1.

line con 0
exec-timeout 0 0
transport input none
line aux 0
exec-timeout 0 0
transport input all
line vty 0 4
password ww
login
!
end

調整和可選命令

您可以使用本節中的命令調整MPPP連線的行為。您可以通過仔細調整此類引數來控制成本，這樣有助於避免資料鏈路的浪費和不必要的使用。這些命令必須在發起撥號的一側實施。

dialer load-threshold load [outbound |入站 |任一]???您可以配置MPPP，以便在主通道建立後立即啟動其他通道。在這種情況下，請在dialer load-threshold load命令中將load threshold設定為1。因此，會調出其他通道，這些通道將繼續保持（即，它們不會翻動）。如果負載閾值設定為較高值，則多個通道可能會基於鏈路上的負載翻動。如果您希望根據需要新增其他通道，請根據流量將負載閾值設定為介於1和255之間的適當值。例如，如果附加通道將達到總容量的50%，則閾值應設定為128(0.50*255)。
ppp timeout multilink link remove seconds???使用此命令可防止負載變化時多鏈路連線抖動。例如，當負載閾值設定為15（即，15/255 = 6%）且流量超過閾值時，就會出現額外的線路。當流量低於閾值時，會丟棄額外的線路。在資料速率具有高度可變性的情況下，有利的是多通道保持運行指定時間段，即使負載閾值低於指定值。將此多鏈路超時分配給小於dialer idle-timeout指定的時間，該時間控制所有鏈路的超時。
ppp timeout multilink link add seconds???使用此命令可防止向MP捆綁包新增多個鏈路，直到在指定間隔內接收到高流量。這可防止突發流量不必要地增加線路。
dialer max-link number ???要指定撥號程式配置檔案可以隨時啟動的遠端目標的最大鏈路數，請在介面配置模式下使用dialer max-link命令。在本例中，我們在melanie上為撥出配置了兩個BRI（或四個B通道）。因此，預設情況下，所有四個通道都在MPPP連線中啟動。但是，如果只想建立三個B通道，則可以使用dialer max-link命令限制鏈路數。

驗證

本節提供的資訊可用於確認您的組態是否正常運作。

show命令

使用以下命令驗證連線：

輸出直譯器工具(僅供註冊客戶使用)支援某些show命令，此工具可讓您檢視show命令輸出的分析。

show isdn status-???示路由器是否與ISDN交換機正確通訊。在輸出中，您需要驗證第1層狀態是否為ACTIVE，並顯示第2層狀態是否為MULTIPLE_FRAME_ESTABLISHED。此命令還顯示活動呼叫的數量。有關詳細資訊，請參閱使用show isdn status命令進行BRI故障排除。
show ppp multilink -???示有關處於活動狀態的多鏈路捆綁包的資訊。使用此命令驗證多鏈路連線。
show dialer [interface type number]顯???為DDR配置的介面的常規診斷資訊。如果撥號器正常啟動，Dialer state is data link layer up消息必須出現。如果顯示實體層啟動，則表示線路通訊協定已啟動，但網路控制通訊協定(NCP)未啟動。發起撥號的資料包的源地址和目的地址顯示在撥號原因行中。此show命令還會顯示計時器的配置以及連線超時之前的時間。
show caller user username detail???顯示特定使用者的引數，例如分配的IP地址、PPP和PPP捆綁引數等。如果您的Cisco IOS版本不支援此命令，請使用show user命令。

show命令輸出

show ppp multilink命令會顯示連結連線後每台路由器上多重連結套件組合的成員。請注意，在路由器melanie上，套件組合名稱是torito，而在路由器torito上，套件組合名稱是melanie。還指出了屬於該捆綁的BRI介面和B通道。

melanie#show ppp multilink 
   
   Dialer2, bundle name is torito 
   0 lost fragments, 0 reordered, 0 unassigned 
   0 discarded, 0 lost received, 1/255 load 
   0x8 received sequence, 0x8 sent sequence 
   Member links: 4 (max not set, min not set) 
   BRI2/1:1 
   BRI2/1:2 
   BRI2/2:1 
   BRI2/2:2 

   torito#show ppp multilink
   Dialer1, bundle name is melanie 
   0 lost fragments, 0 reordered, 0 unassigned 
   0 discarded, 0 lost received, 1/255 load 
   0x8 received sequence, 0x8 sent sequence 
   Member links: 4 (max not set, min not set) 
   BRI1:1 
   BRI1:2 
   BRI2:1 
   BRI2:2

疑難排解

本節提供的資訊可用於對組態進行疑難排解。

疑難排解指令

注意：發出debug指令之前，請先參閱有關Debug指令的重要資訊。

debug dialer -???示有關撥號器介面上接收的資料包的DDR調試資訊。此資訊有助於確儲存在可以使用撥號器介面的相關流量。
debug isdn q931???顯示ISDN網路連線（第3層）的呼叫建立和斷開。
debug ppp negotiation???在協商鏈路控制協定(LCP)、身份驗證和網路控制協定(NCP)時顯示有關PPP流量和交換的資訊。成功的PPP協商將首先開啟LCP狀態，然後進行身份驗證，最後協商NCP。進行LCP協商時，會建立諸如最大接收重建單元(MRRU)等多鏈路引數。
debug ppp authentication -???示PPP身份驗證協定消息，包括CHAP資料包交換和口令身份驗證協定(PAP)交換。
debug ppp error — 顯???與PPP連線協商和操作相關的協定錯誤和錯誤統計資訊。

debug指令輸出

有關如何對每個BRI的多鏈路進行故障排除的資訊，請參閱排除ISDN BRI鏈路上的第二個B通道呼叫故障。當您在1個BRI（2個b通道）上擁有多鏈路功能時，可以將BRI新增到捆綁包中。

啟用疑難排解命令一節中描述的調試，然後ping遠端路由器的地址。ping必須啟動撥號並連線到遠端路由器。每個附加鏈路啟動後，都會將其新增到MPPP捆綁包中。

melanie#show debug 
   Dial on demand: 
   Dial on demand events debugging is on 
   PPP: 
   PPP authentication debugging is on 
   PPP protocol negotiation debugging is on 
   ISDN: 
   ISDN Q931 packets debugging is on 
   ISDN Q931 packets debug DSLs. (On/Off/No DSL:1/0/-) 

   melanie#ping 10.10.12.1 
   Type escape sequence to abort. 
   Sending 5, 100-byte ICMP Echos to 10.10.12.1, timeout is 2 seconds: 
   *Mar 1 05:30:45.502: BR2/1 DDR: rotor dialout [priority] 

 !--- Use BRI 2/1 to dial out.

   *Mar 1 05:30:45.502: BR2/1 DDR: Dialing cause ip (s=10.10.10.1, d=10.10.12.1)

 !--- DDR dialing cause is a ping to the remote router. 

   *Mar 1 05:30:45.502: BR2/1 DDR: Attempting to dial 6113 

 !--- Dial the first number (6113) configured with dialer string command. !--- This number corresponds to the first BRI on torito. 

   *Mar 1 05:30:45.506: ISDN BR2/1: TX -> SETUP pd = 8 callref = 0x77 
   *Mar 1 05:30:45.506: Bearer Capability i = 0x8890 
   *Mar 1 05:30:45.506: Channel ID i = 0x83 
   *Mar 1 05:30:45.506: Called Party Number i = 0x80, '6113', Plan:Unknown, 
   Type:Unknown    
   *Mar 1 05:30:45.574: ISDN BR2/1: RX <- CALL_PROC pd = 8 callref = 0xF7 
   *Mar 1 05:30:45.574: Channel ID i = 0x89 
   *Mar 1 05:30:46.026: ISDN BR2/1: RX <- CONNECT pd = 8 callref = 0xF7 
   *Mar 1 05:30:46.030: ISDN BR2/1: TX -> CONNECT_ACK pd = 8 callref = 0x77  
   
!--- Call connects. 

   *Mar 1 05:30:46.030: %LINK-3-UPDOWN: Interface BRI2/1:1, changed state to up    
   *Mar 1 05:30:46.034: BR2/1:1: interface must be fifo queue, force fifo 
   *Mar 1 05:30:46.034: %DIALER-6-BIND: Interface BR2/1:1 bound to profile Di2   
   
!--- Call is bound to interface Dialer 2.
  
   *Mar 1 05:30:46.034: BR2/1:1 PPP: Treating connection as a callout 
   *Mar 1 05:30:46.034: BR2/1:1 PPP: Phase is ESTABLISHING, Active Open 
   
!--- LCP negotiation begins.

   *Mar 1 05:30:46.034: BR2/1:1 LCP: O CONFREQ [Closed] id 116 len 29 
   *Mar 1 05:30:46.034: BR2/1:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.034: BR2/1:1 LCP: MagicNumber 0x513DE606 (0x0506513DE606) 
   *Mar 1 05:30:46.034: BR2/1:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.034: BR2/1:1 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:30:46.074: BR2/1:1 LCP: I CONFREQ [REQsent] id 11 len 28 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: MagicNumber 0x00B3729B (0x050600B3729B) 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:30:46.074: BR2/1:1 LCP: O CONFACK [REQsent] id 11 len 28 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: MagicNumber 0x00B3729B (0x050600B3729B) 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.074: BR2/1:1 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:30:46.086: BR2/1:1 LCP: I CONFACK [ACKsent] id 116 len 29 
   *Mar 1 05:30:46.086: BR2/1:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.086: BR2/1:1 LCP: MagicNumber 0x513DE606 (0x0506513DE606) 
   *Mar 1 05:30:46.086: BR2/1:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.086: BR2/1:1 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:30:46.086: BR2/1:1 LCP: State is Open 
   
!--- LCP negotiation is complete.

   *Mar 1 05:30:46.090: BR2/1:1 PPP: Phase is AUTHENTICATING, by both 

 !--- PPP authentication by both sides begins.

   *Mar 1 05:30:46.090: BR2/1:1 CHAP: O CHALLENGE id 39 len 28 from "melanie"    
   *Mar 1 05:30:46.110: BR2/1:1 CHAP: I CHALLENGE id 7 len 27 from "torito"    
   *Mar 1 05:30:46.110: BR2/1:1 CHAP: O RESPONSE id 7 len 28 from "melanie"    
   *Mar 1 05:30:46.126: BR2/1:1 CHAP: I SUCCESS id 7 len 4 
   *Mar 1 05:30:46.134: BR2/1:1 CHAP: I RESPONSE id 39 len 27 from "torito"    
   *Mar 1 05:30:46.138: BR2/1:1 CHAP: O SUCCESS id 39 len 4 
   
!--- CHAP authentication is successful

   *Mar 1 05:30:46.138: BR2/1:1 PPP: Phase is VIRTUALIZED 
   *Mar 1 05:30:46.138: Di2 PPP: Phase is UP 
   *Mar 1 05:30:46.138: Di2 IPCP: O CONFREQ [Closed] id 14 len 10 
   *Mar 1 05:30:46.138: Di2 IPCP: Address 10.10.10.1 (0x03060A0A0A01) 
   *Mar 1 05:30:46.142: BR2/1:1 MLP: torito, multilink up, first link 
   *Mar 1 05:30:46.162: Di2 IPCP: I CONFREQ [REQsent] id 7 len 10 
   *Mar 1 05:30:46.162: Di2 IPCP: Address 10.10.12.1 (0x03060A0A0C01) 
   *Mar 1 05:30:46.162: Di2 IPCP: O CONFACK [REQsent] id 7 len 10 
   *Mar 1 05:30:46.162: Di2 IPCP: Address 10.10.12.1 (0x03060A0A0C01) 
   *Mar 1 05:30:46.166: Di2 CDPCP: I CONFREQ [Not negotiated] id 7 len 4 
   *Mar 1 05:30:46.166: Di2 LCP: O PROTREJ [Open] id 14 len 10 protocol CDPCP 
   (0x820701070004)    
   *Mar 1 05:30:46.182: Di2 IPCP: I CONFACK [ACKsent] id 14 len 10 
   *Mar 1 05:30:46.182: Di2 IPCP: Address 10.10.10.1 (0x03060A0A0A01) 
   *Mar 1 05:30:46.182: Di2 IPCP: State is Open 
   *Mar 1 05:30:46.182: Di2 DDR: dialer protocol up 
   *Mar 1 05:30:46.182: Di2 IPCP: Install route to 10.10.12.1 
   *Mar 1 05:30:46.186: BR2/1 DDR: rotor dialout [priority] 
   *Mar 1 05:30:46.186: BR2/1 DDR: Attempting to dial 6113

 !--- Dial the first number (6113) configured with dialer string command. !--- This number corresponds to the first BRI on torito. !--- Remember there is one B-channel available on the remote BRI.

   *Mar 1 05:30:46.186: ISDN BR2/1: TX -> SETUP pd = 8 callref = 0x78 
   *Mar 1 05:30:46.186: Bearer Capability i = 0x8890 
   *Mar 1 05:30:46.190: Channel ID i = 0x83 
   *Mar 1 05:30:46.190: Called Party Number i = 0x80, '6113', Plan:Unknown, 
   Type:Unknown
   *Mar 1 05:30:46.274: ISDN BR2/1: RX <- CALL_PROC pd = 8 callref = 0xF8 
   *Mar 1 05:30:46.274: Channel ID i = 0x8A 
   *Mar 1 05:30:46.726: ISDN BR2/1: RX <- CONNECT pd = 8 callref = 0xF8 
   *Mar 1 05:30:46.730: ISDN BR2/1: TX -> CONNECT_ACK pd = 8 callref = 0x78    
   *Mar 1 05:30:46.730: %LINK-3-UPDOWN: Interface BRI2/1:2, changed state to up  
   
!--- Second B-channel is connected. 
 
   *Mar 1 05:30:46.730: BR2/1:2: interface must be fifo queue, force fifo 
   *Mar 1 05:30:46.734: %DIALER-6-BIND: Interface BR2/1:2 bound to profile Di2    
   *Mar 1 05:30:46.734: %ISDN-6-CONNECT: Interface BRI2/1:1 is now connected to 
   6113 torito 
   *Mar 1 05:30:46.734: BR2/1:2 PPP: Treating connection as a callout 
   *Mar 1 05:30:46.734: BR2/1:2 PPP: Phase is ESTABLISHING, Active Open 
   *Mar 1 05:30:46.734: BR2/1:2 LCP: O CONFREQ [Closed] id 31 len 29 
   *Mar 1 05:30:46.734: BR2/1:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.734: BR2/1:2 LCP: MagicNumber 0x513DE8C4 (0x0506513DE8C4) 
   *Mar 1 05:30:46.734: BR2/1:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.734: BR2/1:2 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:30:46.774: BR2/1:2 LCP: I CONFREQ [REQsent] id 12 len 28 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: MagicNumber 0x00B37556 (0x050600B37556) 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:30:46.774: BR2/1:2 LCP: O CONFACK [REQsent] id 12 len 28 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: MagicNumber 0x00B37556 (0x050600B37556) 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.774: BR2/1:2 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:30:46.786: BR2/1:2 LCP: I CONFACK [ACKsent] id 31 len 29 
   *Mar 1 05:30:46.786: BR2/1:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:30:46.786: BR2/1:2 LCP: MagicNumber 0x513DE8C4 (0x0506513DE8C4) 
   *Mar 1 05:30:46.786: BR2/1:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:30:46.786: BR2/1:2 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:30:46.786: BR2/1:2 LCP: State is Open 
   *Mar 1 05:30:46.786: BR2/1:2 PPP: Phase is AUTHENTICATING, by both 
   *Mar 1 05:30:46.786: BR2/1:2 CHAP: O CHALLENGE id 14 len 28 from "melanie"    
   *Mar 1 05:30:46.806: BR2/1:2 CHAP: I CHALLENGE id 7 len 27 from "torito"    
   *Mar 1 05:30:46.806: BR2/1:2 CHAP: O RESPONSE id 7 len 28 from "melanie"    
   *Mar 1 05:30:46.822: BR2/1:2 CHAP: I SUCCESS id 7 len 4 
   *Mar 1 05:30:46.834: BR2/1:2 CHAP: I RESPONSE id 14 len 27 from "torito"    
   *Mar 1 05:30:46.834: BR2/1:2 CHAP: O SUCCESS id 14 len 4 
   
!--- PPP authentication is complete.

   *Mar 1 05:30:46.834: BR2/1:2 PPP: Phase is VIRTUALIZED 
   *Mar 1 05:30:46.834: BR2/1:2 MLP: torito, multilink up 
   *Mar 1 05:30:47.138: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI2/1:1,
   changed state to up 
   *Mar 1 05:30:47.834: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI2/1:2,
   changed state to up 
   *Mar 1 05:30:52.734: %ISDN-6-CONNECT: Interface BRI2/1:2 is now connected to 
   6113 torito 
   
!--- Both B-channels are up. 
  
   melanie# 
   *Mar 1 05:31:16.186: BR2/2 DDR: rotor dialout [priority] 
   
!--- Dialout using BRI 2/2.

   *Mar 1 05:31:16.186: BR2/2 DDR: Attempting to dial 6113 

 !--- Dial the first number (6113) configured with dialer string command. !--- This number corresponds to the first BRI on torito. !--- Remember there are no B-channels available on the remote BRI.

   *Mar 1 05:31:16.186: ISDN BR2/2: TX -> SETUP pd = 8 callref = 0x79 
   *Mar 1 05:31:16.186: Bearer Capability i = 0x8890 
   *Mar 1 05:31:16.186: Channel ID i = 0x83 
   *Mar 1 05:31:16.190: Called Party Number i = 0x80, '6113', Plan:Unknown, 
   Type:Unknown
   *Mar 1 05:31:16.274: ISDN BR2/2: RX <- CALL_PROC pd = 8 callref = 0xF9 
   *Mar 1 05:31:16.274: Channel ID i = 0x89 
   *Mar 1 05:31:16.298: ISDN BR2/2: RX <- PROGRESS pd = 8 callref = 0xF9 
   *Mar 1 05:31:16.302: Progress Ind i = 0x8188 - In-band info or appropriate 
   now available 
   *Mar 1 05:31:16.318: ISDN BR2/2: RX <- DISCONNECT pd = 8 callref = 0xF9 
   *Mar 1 05:31:16.318: Cause i = 0x8191 - User busy 

 !--- We receive a user busy signal, because there are no available !--- B-channels on that BRI, and melanie must dial the next BRI on torito.

   *Mar 1 05:31:16.322: BRI2/2: wait for isdn carrier timeout, call id=0x8079 
   *Mar 1 05:31:16.322: BR2/2 DDR: Attempting to dial 6114 

 !--- Dial the second number (6114) configured with dialer string command. !--- This number corresponds to the second BRI on torito. !--- Remember both B-channels are available on that remote BRI.

   *Mar 1 05:31:16.326: ISDN BR2/2: TX -> RELEASE pd = 8 callref = 0x79 
   *Mar 1 05:31:16.326: Cause i = 0x8091 - User busy 

 !--- Release message from the previous failed call.

   *Mar 1 05:31:16.346: ISDN BR2/2: TX -> SETUP pd = 8 callref = 0x7A 
   
!--- Setup message for next call.

   *Mar 1 05:31:16.346: Bearer Capability i = 0x8890 
   *Mar 1 05:31:16.346: Channel ID i = 0x83 
   *Mar 1 05:31:16.346: Called Party Number i = 0x80, '6114', Plan:Unknown, 
   Type:Unknown  
   *Mar 1 05:31:16.362: ISDN BR2/2: RX <- RELEASE_COMP pd = 8 callref = 0xF9    
  
 !--- Release acknowledgement for previous failed call.

   *Mar 1 05:31:16.422: ISDN BR2/2: RX <- CALL_PROC pd = 8 callref = 0xFA 
  
 !--- ISDN call progress message.

   *Mar 1 05:31:16.426: Channel ID i = 0x89 
   *Mar 1 05:31:16.878: ISDN BR2/2: RX <- CONNECT pd = 8 callref = 0xFA 
   *Mar 1 05:31:16.882: ISDN BR2/2: TX -> CONNECT_ACK pd = 8 callref = 0x7A    
   *Mar 1 05:31:16.882: %LINK-3-UPDOWN: Interface BRI2/2:1, changed state to up 

 !--- Call is connected on BRI 2/2 B-channel 1. 
  
   *Mar 1 05:31:16.882: BR2/2:1: interface must be fifo queue, force fifo 
   *Mar 1 05:31:16.882: %DIALER-6-BIND: Interface BR2/2:1 bound to profile Di2    

 !--- Call is bound to interface Dialer 2. 

   *Mar 1 05:31:16.886: BR2/2:1 PPP: Treating connection as a callout 
   *Mar 1 05:31:16.886: BR2/2:1 PPP: Phase is ESTABLISHING, Active Open 
   *Mar 1 05:31:16.886: BR2/2:1 LCP: O CONFREQ [Closed] id 31 len 29 
   *Mar 1 05:31:16.886: BR2/2:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:16.886: BR2/2:1 LCP: MagicNumber 0x513E5E8D (0x0506513E5E8D) 
   *Mar 1 05:31:16.886: BR2/2:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:16.886: BR2/2:1 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)   
   *Mar 1 05:31:16.926: BR2/2:1 LCP: I CONFREQ [REQsent] id 11 len 28 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: MagicNumber 0x00B3EB20 (0x050600B3EB20) 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:31:16.926: BR2/2:1 LCP: O CONFACK [REQsent] id 11 len 28 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: MagicNumber 0x00B3EB20 (0x050600B3EB20) 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:16.926: BR2/2:1 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:31:16.938: BR2/2:1 LCP: I CONFACK [ACKsent] id 31 len 29 
   *Mar 1 05:31:16.938: BR2/2:1 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:16.938: BR2/2:1 LCP: MagicNumber 0x513E5E8D (0x0506513E5E8D) 
   *Mar 1 05:31:16.938: BR2/2:1 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:16.938: BR2/2:1 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:31:16.938: BR2/2:1 LCP: State is Open 
   *Mar 1 05:31:16.938: BR2/2:1 PPP: Phase is AUTHENTICATING, by both 
   *Mar 1 05:31:16.938: BR2/2:1 CHAP: O CHALLENGE id 14 len 28 from "melanie"    
   *Mar 1 05:31:16.958: BR2/2:1 CHAP: I CHALLENGE id 6 len 27 from "torito"    
   *Mar 1 05:31:16.958: BR2/2:1 CHAP: O RESPONSE id 6 len 28 from "melanie"    
   *Mar 1 05:31:16.974: BR2/2:1 CHAP: I SUCCESS id 6 len 4 
   *Mar 1 05:31:16.986: BR2/2:1 CHAP: I RESPONSE id 14 len 27 from "torito"    
   *Mar 1 05:31:16.986: BR2/2:1 CHAP: O SUCCESS id 14 len 4 

 !--- CHAP authentication is successful.

   *Mar 1 05:31:16.986: BR2/2:1 PPP: Phase is VIRTUALIZED 
   *Mar 1 05:31:16.990: BR2/2:1 MLP: torito, multilink up 
   *Mar 1 05:31:17.986: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI2/2:1, 
   changed state to up 
   *Mar 1 05:31:22.886: %ISDN-6-CONNECT: Interface BRI2/2:1 is now connected to 
   6114 torito 

 !--- Call connection is complete.

   melanie#
   *Mar 1 05:31:46.186: BR2/2 DDR: rotor dialout [priority] 
   *Mar 1 05:31:46.186: BR2/2 DDR: Attempting to dial 6113 

 !--- Dial the first number (6113) configured with dialer string command. !--- This number corresponds to the first BRI on torito. !--- Remember there are no B-channels available on the remote BRI.

   *Mar 1 05:31:46.186: ISDN BR2/2: TX -> SETUP pd = 8 callref = 0x7B 
   *Mar 1 05:31:46.186: Bearer Capability i = 0x8890 
   *Mar 1 05:31:46.186: Channel ID i = 0x83 
   *Mar 1 05:31:46.190: Called Party Number i = 0x80, '6113', Plan:Unknown, 
   Type:Unknown
   *Mar 1 05:31:46.274: Channel ID i = 0x8A 
   *Mar 1 05:31:46.302: ISDN BR2/2: RX <- PROGRESS pd = 8 callref = 0xFB 
   *Mar 1 05:31:46.302: Progress Ind i = 0x8188 - In-band info or appropriate 
   now available 
   *Mar 1 05:31:46.318: ISDN BR2/2: RX <- DISCONNECT pd = 8 callref = 0xFB 
   *Mar 1 05:31:46.322: Cause i = 0x8191 - User busy

 !--- We receive a user busy signal, since there are no available B-channels. !--- on that BRI melanie must dial the next BRI on torito.

   *Mar 1 05:31:46.322: BRI2/2: wait for isdn carrier timeout, call id=0x807B 
   *Mar 1 05:31:46.326: BR2/2 DDR: Attempting to dial 6114 
   
!--- Dial the second number (6114) configured with dialer string command. !--- This number corresponds to the second BRI on torito. !--- Remember there is one B-channels available on that remote BRI.

   *Mar 1 05:31:46.326: ISDN BR2/2: TX -> RELEASE pd = 8 callref = 0x7B 
   *Mar 1 05:31:46.326: Cause i = 0x8091 - User busy 

 !--- Release message from the previous failed call.

   *Mar 1 05:31:46.346: ISDN BR2/2: TX -> SETUP pd = 8 callref = 0x7C 
  
 !--- Setup message for next call. 
  
   *Mar 1 05:31:46.346: Bearer Capability i = 0x8890 
   *Mar 1 05:31:46.346: Channel ID i = 0x83 
   *Mar 1 05:31:46.346: Called Party Number i = 0x80, '6114', Plan:Unknown, 
   Type:Unknown
   *Mar 1 05:31:46.362: ISDN BR2/2: RX <- RELEASE_COMP pd = 8 callref = 0xFB

 !--- Release acknowledgement for previous failed call.

   *Mar 1 05:31:46.422: ISDN BR2/2: RX <- CALL_PROC pd = 8 callref = 0xFC 
   *Mar 1 05:31:46.426: Channel ID i = 0x8A 
   *Mar 1 05:31:46.878: ISDN BR2/2: RX <- CONNECT pd = 8 callref = 0xFC 
   *Mar 1 05:31:46.882: ISDN BR2/2: TX -> CONNECT_ACK pd = 8 callref = 0x7C    
   *Mar 1 05:31:46.882: %LINK-3-UPDOWN: Interface BRI2/2:2, changed state to up   

 !--- Call is connected on BRI 2/2 B-channel 2. 
   
   *Mar 1 05:31:46.882: BR2/2:2: interface must be fifo queue, force fifo 
   *Mar 1 05:31:46.882: %DIALER-6-BIND: Interface BR2/2:2 bound to profile Di2  

 !--- Call is bound to interface Dialer 2. 
   
   *Mar 1 05:31:46.886: BR2/2:2 PPP: Treating connection as a callout 
   *Mar 1 05:31:46.886: BR2/2:2 PPP: Phase is ESTABLISHING, Active Open 
   *Mar 1 05:31:46.886: BR2/2:2 LCP: O CONFREQ [Closed] id 24 len 29 
   *Mar 1 05:31:46.886: BR2/2:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:46.886: BR2/2:2 LCP: MagicNumber 0x513ED3BF (0x0506513ED3BF) 
   *Mar 1 05:31:46.886: BR2/2:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:46.886: BR2/2:2 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:31:46.922: BR2/2:2 LCP: I CONFREQ [REQsent] id 10 len 28 
   *Mar 1 05:31:46.922: BR2/2:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: MagicNumber 0x00B46053 (0x050600B46053) 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:31:46.926: BR2/2:2 LCP: O CONFACK [REQsent] id 10 len 28 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: MagicNumber 0x00B46053 (0x050600B46053) 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:46.926: BR2/2:2 LCP: EndpointDisc 1 Local (0x130901746F7269746F)    
   *Mar 1 05:31:46.938: BR2/2:2 LCP: I CONFACK [ACKsent] id 24 len 29 
   *Mar 1 05:31:46.938: BR2/2:2 LCP: AuthProto CHAP (0x0305C22305) 
   *Mar 1 05:31:46.938: BR2/2:2 LCP: MagicNumber 0x513ED3BF (0x0506513ED3BF) 
   *Mar 1 05:31:46.938: BR2/2:2 LCP: MRRU 1524 (0x110405F4) 
   *Mar 1 05:31:46.938: BR2/2:2 LCP: EndpointDisc 1 Local (0x130A016D656C616E6965)    
   *Mar 1 05:31:46.938: BR2/2:2 LCP: State is Open 
   *Mar 1 05:31:46.938: BR2/2:2 PPP: Phase is AUTHENTICATING, by both 
   *Mar 1 05:31:46.938: BR2/2:2 CHAP: O CHALLENGE id 11 len 28 from "melanie"    
   *Mar 1 05:31:46.958: BR2/2:2 CHAP: I CHALLENGE id 6 len 27 from "torito"    
   *Mar 1 05:31:46.958: BR2/2:2 CHAP: O RESPONSE id 6 len 28 from "melanie"    
   *Mar 1 05:31:46.974: BR2/2:2 CHAP: I SUCCESS id 6 len 4 
   *Mar 1 05:31:46.982: BR2/2:2 CHAP: I RESPONSE id 11 len 27 from "torito"    
   *Mar 1 05:31:46.986: BR2/2:2 CHAP: O SUCCESS id 11 len 4 
   
!--- CHAP authentication is successful.

   *Mar 1 05:31:46.986: BR2/2:2 PPP: Phase is VIRTUALIZED 
   *Mar 1 05:31:46.986: BR2/2:2 MLP: torito, multilink up 
   *Mar 1 05:31:47.986: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI2/2:2,
   changed state to up 
   *Mar 1 05:31:52.886: %ISDN-6-CONNECT: Interface BRI2/2:2 is now connected to 
   6114 torito 
   
!--- Call connection is complete.

   melanie#ping 10.10.12.1 
   
   Type escape sequence to abort. 
   Sending 5, 100-byte ICMP Echos to 10.10.12.1, timeout is 2 seconds: 
   !!!!! 
   Success rate is 100 percent (5/5), round-trip min/avg/max = 24/24/24 ms 
   
!--- Successful ping.

   melanie#

使用多個BRI介面配置多鏈路PPP

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疑難排解

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