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Example for Configuring G.SHDSL Interfaces
Networking Requirements
As shown in Figure 19-2, Enterprise A requires a carrier to provide a data access solution that is easy to deploy and provides high-speed upstream and downstream transmission to meet service requirements of security, VPN, and video conferences.
Enterprise A requires a higher bandwidth for data transmission.
Configuration Roadmap
The configuration roadmap is as follows:
- Configure the same transmission mode as G.SHDSL interfaces on the DSLAM for G.SHDSL interfaces on the device.
- Deactivate G.SHDSL interfaces.
- Set parameters for these G.SHDSL interfaces. The parameters include the interface binding mode, transmission standard, PSD mode, and line probing function. All the parameters except the line probing function must be the same as those on the DSLAM. Otherwise, the G.SHDSL interfaces cannot be activated.
- Activate the G.SHDSL interfaces.
In this section, the configuration of G.SHDSL interfaces working in ATM transmission mode is used as an example. The configuration of G.SHDSL interfaces working in PTM transmission mode is similar except for the transmission mode and interface binding mode.
Procedure
- Set the transmission mode for G.SHDSL interfaces on the device to ATM.
<Huawei> system-view [Huawei] sysname Router [Router] set workmode slot 1 shdsl atm Warning: Changing the working mode will reset the board in slot 1. Continue? [y/ n]:y INFO: Resetting board[1] succeeded.
By default, G.SHDSL interfaces work in ATM mode.
- Deactivate G.SHDSL interfaces.
# Deactivate ATM1/0/0.
[Router] interface atm 1/0/0 [Router-Atm1/0/0] shutdown [Router-Atm1/0/0] quit
# Deactivate ATM1/0/1.
[Router] interface atm 1/0/1 [Router-Atm1/0/1] shutdown [Router-Atm1/0/1] quit
# Deactivate ATM1/0/2.
[Router] interface atm 1/0/2 [Router-Atm1/0/2] shutdown [Router-Atm1/0/2] quit
- Set parameters for G.SHDSL interfaces.
# Set the interface binding mode to M-Pair binding and bind three G.SHDSL interfaces.
[Router] interface atm 1/0/0 [Router-Atm1/0/0] shdsl bind m-pair 3
# Set the transmission standard to G.991.2 Annex B on ATM1/0/0.
[Router-Atm1/0/0] shdsl annex b# Set the PSD mode to symmetric PSD on ATM1/0/0.
[Router-Atm1/0/0] shdsl psd symmetry# Enable the line probing function on ATM1/0/0.
[Router-Atm1/0/0] shdsl line-probing enable - Activate ATM1/0/0.
[Router-Atm1/0/0] undo shutdown [Router-Atm1/0/0] quit
- Verify the configuration.
# Check whether G.SHDSL interfaces on the device are activated and whether uplink parameters are set for these interfaces correctly.
[Router] display dsl interface atm 1/0/0 ------------------------------------------------------------------- Port admin status :Active Port running status :Activated Port bind status :MPair-3 Bind group master port :0 Port transmission mode :G.991.2 Annex B Port power spectral density :Symmetric Port line probe :Enable Line Status of SHDSL port 0 Current line rate(unit:kbps) :5704 Current transmission mode :G.991.2 Annex B Actual attainable payload line rate(unit:kbps) :17088 Current modulation mode :TCPAM-32 Current PBO downstream(unit:dB) :6.0 Current PBO upstream(unit:dB) :0.0 Current loop attenuation downstream(unit:dB) :0 Current loop attenuation upstream(unit:dB) :0 Current SNR margin downstream(unit:dB) :19 Current SNR margin upstream(unit:dB) :0 Inventory of SHDSL port 0 Vendor ID :Infineon Vendor mode :SOCRATES Vendor serial :4e_2e_1e EOC version :0 Standard version :8 Vendor list :- Vendor issue :1 Software code :1.6.3 Equipment code :- Information of other vendor :B01D01 Transmission mode capability :G.991.2 Annex A&B Current 15 minutes statistic of SHDSL port 0 Total seconds counted in 15 minutes :254 ES count in 15 minutes (unit:Second) :0 SES count in 15 minutes (unit:Second) :0 CRC anomaly count in 15 minutes :0 LOSW count in 15 minutes (unit:Second) :0 UAS count in 15 minutes (unit:Second) :254 -------------------------------------------------------------------# Check information about the G.SHDSL interfaces on the device.
[Router] display interface atm 1/0/0 Atm1/0/0 current state : UP Line protocol current state : UP Last line protocol up time : 2012-12-31 17:46:13 Description:HUAWEI, Series, Atm1/0/0 Interface Route Port,The Maximum Transmit Unit is 1500 Internet Address is 1.1.1.1/24 AAL enabled: AAL5, Maximum PVCs: 8 PVCs on main-interface: 8 (Total PVCs: 8) Last physical up time : 2012-12-31 17:46:13 Last physical down time : 2012-12-31 17:43:48 Current system time: 2013-01-06 14:06:38 Port PHY type : G.SHDSL Total seconds counted in 15 minutes :400 ES count in 15 minutes (unit:Second) :0 SES count in 15 minutes (unit:Second) :0 CRC anomaly count in 15 minutes :0 LOSW count in 15 minutes (unit:Second) :0 UAS count in 15 minutes (unit:Second) :0 Last 300 seconds input rate 1059904 bits/sec, 1232 packets/sec Last 300 seconds output rate 1016080 bits/sec, 1221 packets/sec Input: 622961422 packets, 66968337586 bytes 0 error, 0 discard, 0 crc Output: 617299079 packets, 64198983080 bytes 0 error, 0 discard Input bandwidth utilization : 0% Output bandwidth utilization : 0%