Cisco Router 826 Routers Software Configuration Guide

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring Low-Latency Queuing and Link Fragmentation and Interleaving
Configuration Example
The following example shows a configuration of a PPPoE client.
vpdn enable
no vpdn logging
!
vpdn-group 1
 request-dialin
  protocol pppoe
!
interface Ethernet0
 ip address 192.168.100.1 255.255.255.0
 ip tcp adjust-mss 1452
 ip nat...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring Low-Latency Queuing and Link Fragmentation and Interleaving
Configuring LLQ
Follow these steps to configure the router for LLQ:
Step 1Ensure that the voice and data packets have different IP precedence values so that the router can 
differentiate between them. Normally, data packets should have an IP precedence of...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring Class-Based Traffic Shaping to Support Low Latency Queuing
dialer interface configuration mode. If you have two or more permanent virtual circuits (PVCs) sharing 
the same DSL connection, the bandwidth configured for the dialer interface must be the same as the 
bandwidth allocated to its assigned PVC.
Step...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring Class-Based Traffic Shaping to Support Low Latency Queuing
b.Now in class configuration mode, enter the match ip precedence 5 command to match all IP voice 
traffic with a precedence of 5. Cisco Architecture for Voice, Video and Integrated Data (AVVID) 
documentation specifies a precedence value of 5 for...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
78-14565-03
Chapter 4      Advanced Router Configuration
Configuring Class-Based Traffic Shaping to Support Low Latency Queuing
Configuration Example
The following example shows how a Cisco router can be configured to connect to a broadband modem 
with limited bandwidth, while ensuring voice line quality. Two policy maps are configured: 
Policy map LLQ
Policy map shape
Policy map...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring the Length of the PVC Transmit Ring
Configuring the Length of the PVC Transmit Ring
The length of the PVC transmit ring can be configured on the following Cisco routers:
Cisco 826 and Cisco 836
Cisco 827, Cisco 827H, Cisco 827-4V, and Cisco 837
Cisco 828
Cisco SOHO 77, Cisco SOHO 77H, Cisco SOHO 78, Cisco...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring DHCP Server Import
 ppp multilink fragment-delay 10
 ppp multilink interleave
!
ip classless
no ip http server
!
access-list 101 permit ip any any precedence 5
!
voice-port 1
!
voice-port 2
!
voice-port 3
!
voice-port 4
dial-peer voice 110 pots
 destination-pattern 1105555
 port 1
!
dial-peer voice 210 voip...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring DHCP Server Import
Step 3Create a dialer interface.
a.Enter configuration mode for the dialer interface.
b.Specify the MTU size as 1492.
c.Assign ip address negotiated to the dialer interface.
d.Configure the dialer group number. 
e.Configure PPP encapsulation and (if needed) Challenge Handshake Authentication...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring DHCP Server Import
call rsvp-sync
!
interface Ethernet0
ip address 192.150.2.100 255.255.255.0
ip nat inside
!
interface ATM0
no ip address
no atm ilmi-keepalive
pvc 0/16 ilmi
!
pvc 1/40 
protocol pppoe
pppoe-client dial-pool-number 1
!
bundle-enable
dsl operating-mode auto
!
interface Dialer0
ip address...

  
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Cisco 826, 827, 828, 831, 836, and 837 and Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers Software Configuration Guide
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Chapter 4      Advanced Router Configuration
Configuring DHCP Server Import
memory-size iomem 10
ip subnet-zero
!
no ip finger
!
ip address-pool dhcp-proxy-client
ip dhcp-server 192.150.1.101
vpdn enable
no vpdn logging
!
vpdn-group 1
accept-dialin
protocol pppoe
virtual-template 1
!
call rsvp-sync
cns event-service server
!
interface Ethernet0/0
ip address...