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Practical Exercise 8-1 Solution
Examples 8-31 through 8-35 show the PPPoA configurations for the DSL CPEs, Cisco 6160 DSLAM, and Cisco 6400.
Example 8-31. Configuration Output for lab-827A
lab-827A#show running-config
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname lab-827A
!
ip subnet-zero
!
interface Ethernet0
no ip address
shutdown
hold-queue 100 out
!
interface ATM0
no ip address
no atm ilmi-keepalive
pvc 0/35
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
dsl operating-mode auto
dsl power-cutback 0
!
interface Dialer1
ip address negotiated
encapsulation ppp
dialer pool 1
ppp chap hostname cisco
ppp chap password 0 cisco
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
ip http server
!
!
!
call rsvp-sync
!
voice-port 1
!
voice-port 2
!
voice-port 3
!
voice-port 4
!
!
line con 0
stopbits 1
line vty 0 4
login
!
scheduler max-task-time 5000
end
Example 8-32. Configuration Output for lab-827B
lab-827B#show running-config
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname lab-827B
!
!
ip subnet-zero
!
!
!
!
!
interface Ethernet0
no ip address
shutdown
hold-queue 100 out
!
interface ATM0
no ip address
no atm ilmi-keepalive
pvc 0/35
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
dsl operating-mode auto
!
interface Dialer1
ip address negotiated
encapsulation ppp
dialer pool 1
ppp chap hostname cisco
ppp chap password 0 cisco
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
ip http server
ip pim bidir-enable
!
!
!
!
line con 0
stopbits 1
line vty 0 4
login
!
scheduler max-task-time 5000
end
In Example 8-33, two DSL profiles, premium and standard, are defined. As you can see, each of them is configured with different downstream and upstream speeds.
Example 8-33. Configuration Output for lab-6160
lab-6160#show running-config
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname lab-6160
!
slot 1 ATUC-4FLEXIDMT
slot 10 NI-2-155SM-DS3
!
!
dsl-profile default
!
dsl-profile premium
dmt bitrate maximum fast downstream 8064 upstream 864
dmt bitrate maximum interleaved downstream 0 upstream 0
!
dsl-profile standard
dmt bitrate maximum fast downstream 6400 upstream 640
dmt bitrate maximum interleaved downstream 0 upstream 0
!
network-clock-select 1 ATM0/1
redundancy
ip subnet-zero
!
!
no atm oam intercept end-to-end
atm address 47.0091.8100.0000.0030.96fe.db01.0030.96fe.db01.00
atm router pnni
no aesa embedded-number left-justified
node 1 level 56 lowest
redistribute atm-static
!
!
!
!
interface ATM0/0
no ip address
atm maxvp-number 0
atm maxvc-number 4096
atm maxvci-bits 12
!
interface Ethernet0/0
no ip address
shutdown
!
interface ATM0/1
no ip address
no atm ilmi-keepalive
!
interface ATM0/2
no ip address
no atm ilmi-keepalive
!
interface ATM0/3
no ip address
no atm ilmi-keepalive
!
interface ATM1/1
no ip address
dsl profile premium
no atm ilmi-keepalive
atm pvc 0 35 interface ATM0/1 1 35
!
interface ATM1/2
no ip address
dsl profile standard
no atm ilmi-keepalive
atm pvc 0 35 interface ATM0/1 2 35
!
interface ATM1/3
no ip address
no atm ilmi-keepalive
!
interface ATM1/4
no ip address
no atm ilmi-keepalive
!
ip classless
no ip http server
ip pim bidir-enable
!
!
!
line con 0
line aux 0
line vty 0 4
!
end
Example 8-34. Configuration Output for lab-6400NSP
lab-6400NSP#show running-config
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname lab-6400NSP
!
facility-alarm intake-temperature major 49
facility-alarm intake-temperature minor 40
facility-alarm core-temperature major 53
facility-alarm core-temperature minor 45
ip subnet-zero
!
ip cef
!
atm address 47.0091.8100.0000.0050.7359.3581.0050.7359.3581.00
atm router pnni
no aesa embedded-number left-justified
node 1 level 56 lowest
redistribute atm-static
!
interface ATM0/0/0
no ip address
atm maxvp-number 0
!
interface Ethernet0/0/0
no ip address
bridge-group 1
!
interface ATM1/0/0
no ip address
no atm ilmi-keepalive
!
interface ATM1/0/1
no ip address
no atm ilmi-keepalive
!
interface ATM2/0/0
no ip address
no atm ilmi-keepalive
!
interface ATM2/0/1
no ip address
no atm ilmi-keepalive
!
interface ATM3/0/0
no ip address
no atm ilmi-keepalive
atm pvc 1 35 interface ATM1/0/1 1 35
atm pvc 2 35 interface ATM1/0/1 2 35
!
!
!
ip classless
ip http server
ip pim bidir-enable
!
line con 0
line 1 16
line aux 0
line vty 0 4
!
end
Example 8-35. Configuration Output for lab-6400NRP
lab-6400NRP#show running-config
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname lab-6400NRP
!
logging rate-limit console 10 except errors
no logging console
!
username cisco password 0 cisco
redundancy
main-cpu
auto-sync standard
no secondary console enable
ip subnet-zero
!
!
!
!
!
!
interface Loopback1
ip address 20.1.1.1 255.255.255.255
!
interface ATM0/0/0
no ip address
no atm ilmi-keepalive
hold-queue 500 in
!
interface ATM0/0/0.135 point-to-point
pvc 1/35
encapsulation aal5mux ppp Virtual-Template1
!
!
interface ATM0/0/0.235 point-to-point
pvc 2/35
encapsulation aal5mux ppp Virtual-Template1
!
!
interface Ethernet0/0/1
ip address negotiated
!
interface Ethernet0/0/0
no ip address
shutdown
!
interface FastEthernet0/0/0
no ip address
half-duplex
!
interface Virtual-Template1
mtu 1460
ip unnumbered Loopback1
peer default ip address pool ccnp
ppp authentication chap
!
ip local pool ccnp 20.1.1.2 20.1.1.10
ip classless
ip http server
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
login
!
end
Example 8-36 shows that lab-827A has successfully passed the PPP negotiation and authentication. An IP address is assigned to the DSL connection.
Example 8-36. Output of show ip interface brief for lab-827A
lab-827A#show ip interface brief
Interface IP-Address OK? Method Status Protocol
Ethernet0 unassigned YES NVRAM administratively down down
ATM0 unassigned YES NVRAM up up
Dialer1 20.1.1.3 YES BOOTP up up
Virtual-Access1 unassigned YES unset up up
Virtual-Access2 unassigned YES unset up up
Virtual-Access3 unassigned YES unset up up
Example 8-37 shows that lab-827B has successfully passed the PPP negotiation and authentication. An IP address is assigned to the DSL connection.
Example 8-37. Output of show ip interface brief for lab-827B
lab-827B#show ip interface brief
Interface IP-Address OK? Method Status Protocol
Ethernet0 unassigned YES NVRAM administratively down down
ATM0 unassigned YES NVRAM up up
Dialer1 20.1.1.2 YES BOOTP up up
Virtual-Access1 unassigned YES unset up up
Virtual-Access2 unassigned YES unset up up
Virtual-Access3 unassigned YES unset up up
In Example 8-38, two virtual interfaces are cloned from the virtual template. They are served as Layer 3 termination for the DSL CPEslab-827A and lab-827B. Examples 8-39 and 8-40 show the details of two virtual interfaces.
Example 8-38. Output of show ip interface brief for lab-6400NRP
lab-6400NRP#show ip interface brief
Interface IP-Address OK? Method Status Protocol
ATM0/0/0 unassigned YES NVRAM up up
ATM0/0/0.135 unassigned YES unset up up
ATM0/0/0.235 unassigned YES unset up up
Ethernet0/0/1 unassigned YES NVRAM up up
Ethernet0/0/0 unassigned YES NVRAM administratively down down
FastEthernet0/0/0 unassigned YES NVRAM up up
Virtual-Access1 20.1.1.1 YES TFTP up up
Virtual-Template1 20.1.1.1 YES TFTP down down
Virtual-Access2 20.1.1.1 YES TFTP up up
Loopback1 20.1.1.1 YES NVRAM up up
Example 8-39. Verifying the Virtual Interface for lab-827A
lab-6400NRP#show interface virtual-access1
Virtual-Access1 is up, line protocol is up
Hardware is Virtual Access interface
Interface is unnumbered. Using address of Loopback1 (20.1.1.1)
MTU 1460 bytes, BW 100000 Kbit, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 5 seconds on reset
LCP Open
Open: IPCP
Bound to ATM0/0/0.135 VCD: 1, VPI: 1, VCI: 35
Cloned from virtual-template: 1
Last input 00:00:03, output never, output hang never
Last clearing of "show interface" counters 00:12:13
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
100 packets input, 1841 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
200 packets output, 49806 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Example 8-40. Verifying the Virtual Interface for lab-827B
lab-6400NRP#show interface virtual-access2
Virtual-Access2 is up, line protocol is up
Hardware is Virtual Access interface
Interface is unnumbered. Using address of Loopback1 (20.1.1.1)
MTU 1460 bytes, BW 100000 Kbit, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 5 seconds on reset
LCP Open
Open: IPCP
Bound to ATM0/0/0.235 VCD: 2, VPI: 2, VCI: 35
Cloned from virtual-template: 1
Last input 00:00:00, output never, output hang never
Last clearing of "show interface" counters 00:12:51
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
107 packets input, 1499 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
210 packets output, 53645 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Example 8-41 displays the DSL profile status for the default profile, premium profile, and standard profile. Keep in mind that the premium and standard profiles are created in this exercise. You can use show dsl profile [profile-name] to display a specific profile, all ports to which the profile is currently attached, and those port settings.
Example 8-41. Output of show dsl profile
lab-6160#show dsl profile
dsl profile default:
Link Traps Enabled: NO
Alarms Enabled: NO
ATM Payload Scrambling: Enabled
DMT profile parameters
Maximum Bitrates:
Interleave Path: downstream: 640 kb/s, upstream: 128 kb/s
Fast Path: downstream: 0 kb/s, upstream: 0 kb/s
Minimum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 0 kb/s, upstream: 0 kb/s
Margin: downstream: 6 dB, upstream: 6 dB
Interleaving Delay: downstream: 16000 usecs, upstream: 16000 usecs
Check Bytes (FEC):
Interleave Path: downstream: 16, upstream: 16
Fast Path: downstream: 0, upstream: 0
R-S Codeword Size: downstream: auto, upstream: auto
Trellis Coding: Disabled
Overhead Framing: Mode 3
Operating Mode: Automatic
Training Mode: Quick
Minrate blocking: Disabled
SNR Monitoring: Disabled
Power Management Additional Margin:
downstream: 0 dB, upstream: 0 dB
dsl profile premium:
Link Traps Enabled: NO
Alarms Enabled: NO
ATM Payload Scrambling: Enabled
DMT profile parameters
Maximum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 8064 kb/s, upstream: 864 kb/s
Minimum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 0 kb/s, upstream: 0 kb/s
Margin: downstream: 6 dB, upstream: 6 dB
Interleaving Delay: downstream: 16000 usecs, upstream: 16000 usecs
Check Bytes (FEC):
Interleave Path: downstream: 16, upstream: 16
Fast Path: downstream: 0, upstream: 0
R-S Codeword Size: downstream: auto, upstream: auto
Trellis Coding: Disabled
Overhead Framing: Mode 3
Operating Mode: Automatic
Training Mode: Quick
Minrate blocking: Disabled
SNR Monitoring: Disabled
Power Management Additional Margin:
downstream: 0 dB, upstream: 0 dB
dsl profile standard:
Link Traps Enabled: NO
Alarms Enabled: NO
ATM Payload Scrambling: Enabled
DMT profile parameters
Maximum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 6400 kb/s, upstream: 640 kb/s
Minimum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 0 kb/s, upstream: 0 kb/s
Margin: downstream: 6 dB, upstream: 6 dB
Interleaving Delay: downstream: 16000 usecs, upstream: 16000 usecs
Check Bytes (FEC):
Interleave Path: downstream: 16, upstream: 16
Fast Path: downstream: 0, upstream: 0
R-S Codeword Size: downstream: auto, upstream: auto
Trellis Coding: Disabled
Overhead Framing: Mode 3
Operating Mode: Automatic
Training Mode: Quick
Minrate blocking: Disabled
SNR Monitoring: Disabled
Power Management Additional Margin:
downstream: 0 dB, upstream: 0 dB
lab-827A is patched to port 1/1, and lab-827B is patched to port 1/2. Example 8-42 displays the status of the DSL subscriber ports on a 6160 chassis.
Example 8-42. Using the show dsl status Command to Display the Status of DSL Ports
lab-6160#show dsl status
Subtend Node ID: 0
DOWNSTREAM UPSTREAM SUBSCRIBER CIRCUIT ID
NAME ADMIN/OPER (Kb) (Kb) (truncated) (truncated)
---- ---------- -------- -------- ----------- -----------
ATM1/1 UP/ UP 8064 864
ATM1/2 UP/ UP 6400 640
ATM1/3 UP/DOWN 0 0
ATM1/4 UP/DOWN 0 0
The show dsl interface atm slot#/port# command allows you to display DSL, DMT, and ATM status for a port, as shown in Example 8-43.
Example 8-43. Displaying DSL, DMT, and ATM Status for Port 1/1
lab-6160#show dsl interface atm 1/1
Port Status:
Subscriber Name: Circuit ID:
IOS admin: UP oper: UP Card status: ATUC-4FLEXIDMT
Last Change: 00 days, 00 hrs, 50 min, 28 sec No. of changes: 12
Line Status: TRAINED
Test Mode: NONE
ADSL Chipset Self-Test: NONE
CO Modem Firmware Version: 5.38
Configured:
DMT Profile Name: premium
Link Traps Enabled: NO
Alarms Enabled: NO
ATM Payload Scrambling: Enabled
DMT profile parameters
Maximum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 8064 kb/s, upstream: 864 kb/s
Minimum Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 0 kb/s, upstream: 0 kb/s
Margin: downstream: 6 dB, upstream: 6 dB
Interleaving Delay: downstream: 16000 usecs, upstream: 16000 usecs
Check Bytes (FEC):
Interleave Path: downstream: 16, upstream: 16
Fast Path: downstream: 0, upstream: 0
R-S Codeword Size: downstream: auto, upstream: auto
Trellis Coding: Disabled
Overhead Framing: Mode 3
Operating Mode: Automatic
Training Mode: Quick
Minrate blocking: Disabled
SNR Monitoring: Disabled
Power Management Additional Margin:
downstream: 0 dB, upstream: 0 dB
Status:
Bitrates:
Interleave Path: downstream: 0 kb/s, upstream: 0 kb/s
Fast Path: downstream: 8064 kb/s, upstream: 864 kb/s
Attainable Aggregate
Bitrates:
downstream: 9440 kb/s, upstream: 928 kb/s
Margin: downstream: 12 dB, upstream: 11 dB
Attenuation: downstream: 1 dB, upstream: 2 dB
Interleave Delay: downstream: 0 usecs, upstream: 0 usecs
Transmit Power: downstream: 9.5 dB, upstream: 12.1 dB
Check Bytes (FEC):
Interleave Path: downstream: 0, upstream: 0
Fast Path: downstream: 0, upstream: 0
R-S Codeword Size: downstream: 1, upstream: 1
Trellis Coding: In Use
Overhead Framing: Mode 3
Line Fault: NONE
Operating Mode: ITU G dmt Issue 1
Line Type: Fast Only
Alarms:
status: NONE
ATM Statistics:
Interleaved-Path Counters:
Cells: downstream: 20 upstream: 154
HEC errors: downstream: 0 upstream: 2
LOCD events: near end: 1 far end: 0
Fast-Path Counters:
Cells: downstream: 1729 upstream: 660
HEC errors: downstream: 1 upstream: 1
LOCD events: near end: 1 far end: 0
DSL Statistics:
Init Events: 4
Far End LPR Events: 0
Transmitted Superframes: near end: 161749170 far end: 0
Received Superframes: near end: 161748691 far end: 0
Corrected Superframes: near end: 176 far end: 0
Uncorrected Superframes: near end: 369 far end: 1
LOS Events: near end: 2 far end: 0
LOF/RFI Events: near end: 0 far end: 0
ES Events: near end: 10 far end: 1
CPE Info:
Version Number: 0
Vendor ID: 34
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