Tuesday, February 28, 2017

Huawei S2300 series Switch (1)

Chassis Overview

Huawei S2300 series Ethernet switches integrate the access and transmission functions to provide
reliable access/aggregation and high-quality transmission of services on wide area networks.
The switches are built on an integrated hardware platform, and the hardware system consists of
the chassis, power module, fan module, and Switch Control Unit (SCU).

The S2300 series are available in a variety of models for you to choose based on your network
requirements.

The S2300 series includes the S2300-SI, S2300-EI (S2309TP-EI-AC), and S2350-EI subseries, all of which are Layer 2 switches.

Naming Conventions

S2350-20TP-PWR-EI-AC
ABC D E F G H I
S2326TP-SI

ABC E F H


More related:

MA5600T Multicast Feature Glance
MA5600T Series Maintenance Feature Glance
MA5600T&MA5603T&MA5608T 10G GPON Feature Glance
How to Configure the H.248-based Voice Service?
How to Login Huawei Equipment Through the Local Serial Port



Monday, February 27, 2017

BMS R11 TL1 create ONT with error in SQL

Issue Description
When the customer tries to create Huawei ONT trough TL1 in BMS R11, there is SQL error:
ADD-ONT::DEV=PRT45-1_OLT-HW_1,FN=0,SN=1,PN=0,ONTID=1:44422::NAME=devil,ALIAS=djdj,CAPABPROF=ONT_PROFILE_HW_HG850,SERIALNUM=2011-2E0A4C41, AUTH=SN,ALMPROF=alarm-profile_1;
    0 2008-04-11 14:12:00
M  SN COMPLD
   EN=1610614891   ENDESC=Failed to execute SQL
Eventhough, the ONT is created:
OLTHW-TestPLant1(config-if-gpon-0/1)#display ont info 0 1
  ----------------------------------------------------------------------------
  F/S/P           : 0/1/0
  ONT-ID          : 1
  Control flag    : active
  Run state       : up
  Config state    : normal
  Match state     : match
  DBA type        : SR
  Loop mode       : disable
  ONT RTD(us)     : -
  Transparent     : disable
  Ont Profile ID  : 6
  Authentic type  : SN-auth
  SN              : 323031312E0A4C41(2011-2E0A4C41)
  Description     : ONT_NO_DESCRIPTION
  Alarm profile-ID: 1
  ----------------------------------------------------------------------------
  ----------------------------------------------
  T-CONT-ID     DBA-profile     Alloc-ID
  ----------------------------------------------
          0               1            1
- ----------------------------------------------
This problems seems to happen in the case we had previously an ONT with the same ONT_ID in the same port.
If we create the Huawei ONT with a ONT_ID that was never used, the problem does not happen.
It seems that when we delete the ONT in the BMS, some information is not deleted in one of the tables.
      
Alarm Information
Null
Handling Process
CLI deleting leads to in-consistence between the device and BMS, syn can solve the problem.
Root Cause
Null
Suggestions
 Null
More related:

Telephone: 852-30623083
           Supports@Thunder-link.com            




Sunday, February 26, 2017

The Service port Cannot Display Normally When Double-clicking the MA5600 Network Element to Enter the Board

Issue Description
Q: 
In the NMS topology, the serviceport cannot display normally when double-clicking the network element to enter the board.
Alarm Information
Null
Handling Process
A:
The status of Huawei MA5600 serviceport is the status of the traffic. Only when the single end PVC, the state machine of the traffic and the ADSL port are all  in Up status, the status of the serviceport is Up. Click the Synchronize Network Element in the Serviceport in the Serviceport Plane.




If the board is in position, generally the status of the single end PVC is Up.
The status of the ADSL port is Up after connecting to the modem.
The status of the service port is Up, indicating the normal condition.
Root Cause
1. The MA5600 database is full and the data space and the log space are normal.
2. MA5600 process is abnormal and no boot record. 
3. Other ports of Huawei MA5600 are normal. Only the service port is abnormal.
4. The MA5600 version is matched with the NMS version.
Suggestions
Null

Thursday, February 23, 2017

iManager U2000B V100R006C02SPC301 MA5603T GPON system NE Data synchronisation Failure

Issue Description
Software Version : iManager U2000-B (Access Devices) Version: V100R006C02SPC301
NE Device: MA5603T -MA5600V800R013  ( Huawei GPON System )

Situation :
U2000 Server was deployed to monitor the Access devices MA5603T and corresponding Huawei ONT in order to guarantee the stability of the GPON System.

At Ma5603T, Management IP address through the Meth0/0 was used to connect with the U2000 Server with the specified IP address.

Problem: Customer reported that they cannot achieve the synchronisation of the NE Data on the MA5603T in order to view the current situation of equipment, including the interface boards panel situations and traffic utilization . Customer also reported that they are unable to receive the alarms on the device. they want to resume the monitoring services on the Huawei MA5603T and corresponding devices. 
Alarm Information
Upon synchronisation of the NE Data on U2000 Client, Alarm displayed as follow:
"The frame's data is null, please synchroize device" .

Detailed Alarm of Synchronisation NE Data Failure: 
" Operation failed. Data collection failed.Please check the status of the FTP(SFTP) service and the user rights and root directory configurations. The Networks of NAT, Multi network cards and High Available System need config the XFTP file which is iptable_ne2nms.cfg." 
Handling Process
Troubleshooting logic :

a. Troubleshooting  of the origins leading to the failure synchronisation of NE data
b. Verification of the SNMP Setting
c. Verification of the FTP Server Settings in U2000,including the service testing on FTP and SFTP.
(Service side FTP service Verification )
d. Verification of the FTP client service in MA5603Tby manualy creating a backup task to U2000 server
(Client Side FTP Service Verification)
e. Reset of the FTP service again.
f.Initate the FTP service on both the MA5603T and U2000 Server.
Root Cause
Abnormality on FTP service in both the U2000 Server and Ma5603T
.FTP service cannot establish the FTP connection successfully. Xftp Watcher should also be reset again.
Solution
The FTP service on both the MA5603T and U2000 server have to be reconfigure and initiate again .

At U2000 Server, click Service-> FTP Setting
a. Verification of the Transfer Protocol and File Transfer Service Setting.
b. Configure FTP and SFTP  by default , UserName ftpuser, Password: "Changeme_123". FTP Port is 20 .
c. At FTP Server Setting, reset the Username, password , and the FTP service Status.

At Huawei MA5603T,
a. Activate the FTP
b. Manually start the FTP service by "FTP SET" command. Manually create a Backup task by " Backup configuration ftp x.x.x.x ac.cfg"

Check whether the panel from the equipment can be seen after the synchronization of the NE data , the alarm should also be displayed accordingly.
Suggestions

Our customer can set up routine schedule on backup configuration through snmp and ftp service daily, so that the service can be guarantee to perform normally.

Wednesday, February 22, 2017

Unable to configure VAS profile because of missing configuration on Huawei OLT

Issue Description
Customers try to configure VAS profile for ONT like Huawei HG8310M, HG8326R through U2000, but task doesn't start, after some time, it times out and fail.
U2000 V100R002C01SPC100
MA5600T V800R006C02SPC100
ONT HG850a V100R007SPC008
Alarm Information
Null.
Handling Process
1. Check FTP account on Huawei OLT, it was not set, so I set it to be similar to that on U2000.
FTP must be set on OLT as it will download XML file from U2000 then configure ONT through OMCI.
2. Check SNMP parameters on OLT HUAWEI MA5683T , found trap port set to 161, it should be set to 162.
Traps must be configured correctly as OLT will report to U2000 the status of XML file transfer.
Test again, problem solved and VAS can be configured.
Root Cause
Causes of such case are:
1. FTP is not set on OLT such as Huawei MA5683T
2. SNMP parameters are not configured correctly between OLT & U2000.
Suggestions

Null.

Tuesday, February 21, 2017

Huawei S7700 Series Smart Routing Switches (4)

Huawei S7700 series switch has service slots, which can support GE, 10GE, 40GE, 100GE and POE Interfaces.

ES0DG48CEAT0, 36-Port 10/100/1000BASE-T and 12-Port 100/1000BASE-X Interface Card (EA,
RJ45/SFP)

ES0D0X4UXA00, 4-Port 10GBASE-X Interface Card (EA, XFP)

ES1D2L02QFC0, 2-Port 40GBASE-X Interface Card (FC,QSFP+)

ES1D2C02FEE0, 2-Port 100GBASE-X Interface Card(EE,CFP)

ES0D0G48VA00, 48-Port 10/100/1000BASE-T POE Interface Card (EA, RJ45, POE)

S7700 Applications

Large-Scale Campus Networks

The S7700 can be used as an aggregation switch on a large-scale campus network, helping to build a highly reliable, scalable, and manageable enterprise network. With hardware-based CPU queue scheduling and firewall modules, the S7700 enhances security at the aggregation layer and protects the enterprise's core network from DDoS attacks and other security threats.


Small - and Medium-sized Campus Networks

Huawei S7700 can work at the core layer of small- and medium-sized campus networks. It provides a cost effective, reliable, and easy-to-deploy network solution for small- and medium-sized enterprises.



The most popular Huawei S6700 switch as below:

S6720-30C-EI-24S-AC


Monday, February 20, 2017

Huawei S7700 Series Smart Routing Switches (3)

Huawei S7703, S7706, S7712 Routing Switches is high-end switch, they have below features:



Enhanced QoS mechanism, improving the voice and video experience

  • The S7700's H-QoS control mechanisms classify traffic based on information from the link layer to the application layer. With advanced queue scheduling and congestion control algorithms, Huawei S7700 performs accurate multi-level scheduling for data flows, satisfying enterprises' QoS requirements for a variety of services and user terminals.
  • The S7700 supports hardware-based low delay queues for multicast packets so that the video service can be processed with high priority and low delay. This feature guarantees the high quality of key services in an enterprise, such as video conference and surveillance.
  • The S7700 uses innovative priority scheduling algorithms to optimize the QoS queue scheduling mechanism for voice and video services. The improved scheduling mechanism shortens the delay of the VoIP service and eliminates the pixelation effect in the video service, improving user experience.
High-performance IPv6 service processing, resulting in a smooth transition from IPv4 to IPv6

  • Both the hardware platform and software platform of the S7700 support IPv6. The S7700 has earned the IPv6 Ready Phase 2 (Gold) designation.
  • The S7700 supports IPv4/IPv6 dual stack, various tunneling technologies, IPv6 static routing, RIPng, OSPFv3, BGP+, IS-ISv6, and IPv6 multicast. These features meet the demand for IPv6 networking and combined IPv4 and IPv6 networking.
Superb traffic analysis capability, resulting in real-time network performance monitoring

  • The S7700 supports NetStream for the real-time collection and analysis of network traffic statistics.
  • The S7700 supports the V5, V8, and V9 Netstream formats and provides aggregation traffic templates to reduce the burden on the network collector system. In addition, the S7700 supports real-time traffic collection, dynamic report generation, traffic attribute analysis, and traffic exception trap.
  • NetStream monitors network traffic in real time and analyzes the device's throughput, providing data for network structure optimization and capacity expansion.

Comprehensive security mechanisms, protecting enterprises from internal and external security threats
  • NGFW is a next-generation firewall card that can be installed on an S7700. In addition to the traditional defense functions such as firewall, identity authentication, and Anti-DDoS, the NGFW supports IPS, antispam, web security, and application control functions.
  • The S7700 provides comprehensive NAC solutions for enterprise networks. It supports MAC address authentication, Portal authentication, 802.1x authentication, and DHCP snooping-triggered authentication. These authentication methods ensure the security of various access modes, such as dumb terminal access, mmobile access, and centralized IP address allocation.
  • Additionally, the S7700 defends against DoS attacks, prevents unauthorized access, and prevents control plane overloading.
Innovative energy-saving chips, allowing for intelligent power consumption control
  • The S7700 uses innovative energy-saving chips, which can dynamically adjust power on all ports based on 
    traffic volume. An idle port enters a sleep mode to reduce power consumption.
  • The S7700 supports Power over Ethernet (PoE) and uses different energy management modes according 
    to the powered device (PD) type, ensuring flexible energy management.
  • The S7700 supports IEEE 802.3az Energy Efficient Ethernet and provides the low power idle mode for the 
    PHY line card. If the link utilization is low, the S7700 switches to a lower speed or power PHY to reduce 
    power consumption.
The most popular Huawei S2700EI switch as below:

Telephone: 852-30623083
           Supports@Thunder-link.com            



Thursday, February 16, 2017

Huawei S7700 Series Smart Routing Switches (2)

Huawei S7703, S7706, S7712 Routing Switches is high-end switch, they have below features:

Agile Switch, Enabling Networks to Be More Agile for Services

  • The S7700 series' native ACs allow enterprises to build a wireless network without additional AC hardware. S7700 switch can manage up to 1K APs and 16K users. It is the core switch that provides T-bit AC capabilities, avoiding the performance bottleneck on independent AC devices. The native T-bit AC capabilities help organizations better cope with challenges in the high-speed wireless era.
  • The S7700 series' unified user management function authenticates both wired and wireless users, ensuring a consistent user experience no matter whether they are connected to the network through wired or wireless access devices. The unified user management function supports various authentication methods, including 802.1x, MAC address, and Portal authentication, and is capable of managing users based on user groups, domains, and time ranges. These functions control user and service management and enable the transformation from device-centered management to user-centered management.
  • Super Virtual Fabric (SVF) technology can not only virtualize fixed-configuration switches into S7700 switch line cards but also virtualize APs as switch ports. With this virtualization technology, a physical network with core/aggregation switches, access switches, and APs can be virtualized into a "super switch", offering the simplest network management solution.
  • Packet Conservation Algorithm for Internet (iPCA) changes the traditional method that uses simulated traffic for fault location. iPCA technology monitors network quality for any service flow at any network node, at any time, and without extra costs. It can detect temporary service interruptions within one second and can identify faulty ports accurately. This cutting-edge fault detection technology turns "extensive management" into "fine granular management."
  • The Service Chain feature virtualizes the value-added service processing capabilities, such as firewall, so that campus networks can utilize these capabilities in an undifferentiated manner. That is, these capabilities can be used without location constraint.
Powerful service processing capabilities

  • Huawei's advanced switching architecture permits rapid bandwidth expansion. The highly expansible backplane enables ports to be upgraded to a rate of 40 Gbit/s, and is compatible with the currently used cards, helping enterprises maximize their ROI.
  • The S7700 provides high-density 10GE ports and 100G ports, Each S7712 chassis can provide a maximum of 480 x 10GE ports as ES1D2X40SFC0-40-Port 10GBASE-X Interface Card (FC, SFP+) or 24 x 100GE ports, meeting the requirements of bandwidth consuming applications, such as multimedia conferencing and data access.
  • The S7700's multi-service routing and switching platform meets requirements for service bearing at the access layer, aggregation layer, and core layer of enterprise networks. The S7700 provides wireless access along with voice, video, and data services, helping enterprises build integrated full-service networks with high availability and low latency.
  • The S7700 supports distributed Layer 2/Layer 3 MPLS VPN functions, including MPLS, VPLS, HVPLS, and VLL, implementing VPN access for enterprise users.
  • The S7700 supports various Layer 2 and Layer 3 multicast protocols such as PIM SM, PIM DM, PIM SSM, MLD, and IGMP snooping. It can provide enterprises with multi-terminal high definition video surveillance and video conferencing services.
    Carrier-class reliability and visual fault diagnosis
    • Huawei's high reliability design ensures that the S7700 is 99.999% reliable. The S7700's rack structure uses a passive backplane design. The S7700 provides redundant backup for key components, including MPUs, power supply units, and fans trays, all of which are hot swappable.
    • The S7700 innovatively implements the CSS function through switch fabrics, and packets are only switched once when they are forwarded between chassis. This addresses the problem of low switching efficiency caused by multiple switching processes during inter-chassis forwarding in clusters established using line cards. In addition, inter-chassis link aggregation can be used to improve link use efficiency and prevent single-point failures.
    • The S7700 can use service ports as cluster ports, so that cluster members can be connected through optical fibers. This substantially expands the clustering distance
    • The S7700 has a dedicated fault detection subcard that provides hardware-based OAM function conforming to IEEE 802.3ah, 802.1ag, and ITU-Y.1731. The S7700 can also work with an NMS. The NMS provides a graphical fault diagnosis interface and traverses all network elements and links automatically to help users detect and locate faults quickly.
    • The S7700 implements seamless switchover between the master and slave MPUs and supports graceful restart to ensure nonstop forwarding.

          Wednesday, February 15, 2017

          Huawei S7700 Series Smart Routing Switches (1)

          Product Overview

          Huawei S7700 series switches (S7700 for short) are high-end smart routing switches designed for next generation enterprise networks. The S7700 design is based on Huawei's intelligent multi-layer switching technology to provide intelligent service optimization methods, such as MPLS VPN, traffic analysis, comprehensive H-QoS policies, controllable multicast, load balancing, and security, in addition to high performance Layer 2 to Layer 4 switching services. The S7700 also features scalability and reliability.

          Huawei S7700 can function either as an aggregation or core node on a campus network or in a data center to provide integrated wireless access. The S7700 also offers voice, video, and data services, helping enterprises build an integrated cost-effective end-to-end network.

          An S7700 running the V2R5C00 or later system software can be upgraded to an agile switch by using an X1E card, which is equipped with the first Ethernet Network Processor (ENP) of Huawei. Customers can enjoy the benefits brought by the agile switch.

          Product Appearance

          The S7700 series is available in three models: Huawei S7703, S7706, and S7712. The switching capacity and port density of all three models is expandable. The S7700 is based on a new hardware platform, which adopts a left-to-rear ventilation channel to achieve better energy efficiency. Key components work in redundancy mode to minimize risks of system breakdown and service interruption. Using innovative energy-saving chips, the S7700 provides an industry-leading solution for a sustainable energy-saving network.





          Telephone: 852-30623083
                     Supports@Thunder-link.com            





          Tuesday, February 14, 2017

          What is the difference of main control boards on Huawei OLT MA5683T and MA5680T?


          Brief introduction:

          SCUN and SCUH are main control card of Huawei MA5680T, MA5683T; They are the core of the system control and service switching and aggregation.

          Then what is the difference between SCUN and SCUH?


          SCUN Overview:



          • Supports integrated optical copper access for GPON, P2P, xDSL, and voice services.
          • Supports 480 Gbit/s (active/standby mode), 960 Gbit/s (load sharing mode) switching capacity.
          • Supports active/standby mode and load sharing mode, doubling processing performance.
          • Supports ISSU, saving the upgrade interruption time.
          • Supports 1588v2, and 1588 ACR by working together with the H801CKMD daughter board.
          • Supports interfaces CON (RJ-45), ETH (RJ-45), ESC (RJ-45).
          • Supports Communication Interfaces TX0 RX0 to TX3 RX3 (4 x SFP GE ports).
          SCUH Overview:

          • Supports up to 1920 Gbit/s switching capacity
          • Supports active/standby mode and load sharing mode, doubling processing performance
          • Supports ISSU, saving the upgrade interruption time
          • Supports synchronization Ethernet
          Below is the comparison of their parameters:






















          The most popular Huawei OLT as below:

          MA5683T Platinum Line


          Monday, February 13, 2017

          How should we do when client doesn't start on server after installing U2000V100R001C00CP0202 for Linux?

          Issue Description

          Verion information:
          OS: Linux Suse 10
          Database: Sybase 12.5
          NMS: U2000V100R001C00
          Single System.
          After install a patch U2000V100R001C00CP0202 we try to start the client on the server and we receive the next error, and the client doesn't start:
          U2KT20001MA11:/opt/U2000/client/bin # sh U2KClient_linux.sh
          U2KClient_linux.sh: line 11: @{UserRoot}/.profile: No such file or directory
          Alarm Information
          No alarm, but after execute the client, the server show the next error:
          U2KT20001MA11:/opt/U2000/client/bin # sh U2KClient_linux.sh
          U2KClient_linux.sh: line 11: @{UserRoot}/.profile: No such file or directory
          Handling Process
          For solve the problem we should modify the "U2KClient_linux.sh". If the problem appear is because the file have in the line 11 the next information:
              . @{UserRoot}/.profile
          And we should modify to:
               . /nmsuser/.profile
          After the modification the client can start on the server.
          Root Cause
          I check the file "U2KClient_linux.sh" and I have seen the problem. We should change the profile on the own file for have the correct one.
          Suggestions
          After finish the patch check the executable client file and check all is correct.

          The most popular Huawei OLT as below:

          MA5683T Platinum Line