Configuring Ethernet Over SDH in MLTN

Ericsson Internal OPERATING INSTRUCTIONS Prepared (also subject responsible if other)

1 ( 11 )

No.

EAB/FBM/LN Mattias Alm

16/1543-CSH 109 32/1-V1 Uen

Approved

Checked

EAB/FBM/LN (Maria Johansson A)

Date

Rev

2011-05-20

G

Reference

Configuring Ethernet over SDH MINI-LINK TN ETSI Copyright © Ericsson AB 2009–2011. All rights reserved. No part of this document may be reproduced in any form without the written permission of the copyright owner.

Disclaimer The contents of this document are subject to revision without notice due to continued progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. Contents

A4 XSEIF R5

Page

1

Introduction . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. .. . .

2

2

Safety Information . . . . .. .. . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .... . . . .. .. . . .. . . . . .. . . . . . .. .. . . . .. .. . . .. . . . . .. ..

2

3 3.1

Preparations . . .. .. . .. . . . .. .. . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. . . . .. . . .. . . . .. . . .. . . . .. .. . . Additional Preparations . . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . .

2 2

4 4.1 4.2

Configuring Ethernet over SDH . . . .. .. . . . .. .. . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. .. . . Hardware Configurations . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . Basic Workflow . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. .. . .

2 4 5

5 5.1 5.2 5.3 5.4

Configuring the VCG Interfaces . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . 6 Configuring the VCG Parameters . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . 6 Configuring the VCG Capacity . . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . .. .. . . . . . . . . . . . 7 Configuring the VCG Cross-connection and SNCP ...... ........... .......... 8 Configuring the Assigned VC Channel Interfaces ... .... .... .... .... ..... .... . 10

6

References . . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . .. . . . . . .. .. . . .. . . . . 11


No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


1

2 ( 11 )

Date

Rev

2011-05-20

G

Reference

Introduction This instruction describes how to configure Ethernet over Synchronous Digital Hierarchy (SDH) in the SXU3 B.

2

Safety Information Make sure that the information in the following documents has been understood by the persons performing the procedures:  Personal Health and Safety Information, Reference [6] • System Safety Information, Reference [8] • Supplementary Safety Information for MINI-LINK, Reference [7]

3

Preparations This section presents the preparations needed for a successful completion of the procedures in this instruction.

3.1

Additional Preparations Consider the following additional preparations:

4

•

Make sure the documents in Page 11 are available.

•

Make sure you have access to the NE using MINI-LINK Craft. For more information, see Accessing a Network Element, Reference [1].

Configuring Ethernet over SDH Figure 1 shows an overview of the Ethernet services.


3 ( 11 )

No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


Date

Rev

2011-05-20

G

Reference

Network Element

Network Element

Layer 2 Connection

Layer 2 Connection

Ethernet Switch

Ethernet Switch

Switch Port

Switch Port

Switch Port

Layer 1 Connection

LAN

Switch Port

Layer 1 Connection

WAN

WAN

VCG-VC-x

VCG-VC-x

LAN

Radio-link

LAN

LAN

11816

Figure 1

Ethernet Overview A configuration of ethernet is set up for Ethernet over SDH. WAN and LAN is configured, and for the connection between them either of the following is used: •

Ethernet Switch (Layer 2 Connection)

•

Layer 1 Connection

If an Ethernet Switch is used, a VLAN is also configured. The node must be equipped with the following hardware: •

NPU3 B or NPU3 C

•

SXU3 B

•

MMU2 E/F


4 ( 11 )

No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


Date

Rev

2011-05-20

G

Reference

See also the following for overview information: Ethernet over SDH Configuration Flowchart, Reference [5].

4.1

Hardware Configurations Figure 2 shows a hardware configuration.

STM-1 via PtP

MMU2 E/F VCG via

4×E1

PtP

MMU2 E/F NPU3 B/C

SXU3 B MMU2 E/F 21×E1

MMU2 E/F TDM

PDH Units

11817

Figure 2

Hardware Configuration

Mapping of Ethernet over SDH is performed with a maximum of eight Virtual Concatenation Groups (VCGs) configured on the SXU3 B. Each VCG is connected towards the ethernet switch on the NPU3 B or NPU3 C via a WAN interface. A VCG can have a maximum of 63 VC-12 Trail Termination Points (TTPs), or a maximum of three VC-3 TTPs, or one VC-4 TTP. To optimize the capacity usage, it is recommended to first configure the VC-4 type VCGs, then the VC-3 type VCGs, and lastly the VC-12 type VCGs. Up to four MMU2 E/Fs can be connected to the SXU3 B through the Point To Point (PTP) bus. The radio terminals can be run in 1+0 or 1+1. From the SXU3 B it is possible to drop 21×E1 to the TDM bus. Through the TDM traffic routing, the E1s from other PDH units can be mapped over SDH.


No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


4.2

5 ( 11 )

Date

Rev

2011-05-20

G

Reference

Basic Workflow This is an overview of how a configuration is set up and connected. Figure 3 shows how the different units are used together to provide Ethernet over SDH.

NPU3 B/C

MMU2 E/F

Eth

SXU3 B

Switch

MMU2 E/F

10530

Figure 3

Units Involved in Ethernet over SDH Ethernet over SDH is configured with up to eight VCGs, whereof seven can be connected via WAN ports through the PTP bus to the Ethernet switch on the NPU3 B or NPU3 C. However, if any of the WAN interfaces are used for ETU3/ETU2 B or configured for packet link, they are not available for VCGs. The Ethernet interfaces on the front of NPU3 B or NPU3 C, and the Ethernet interface on the bit-pipe modem can also be added to the Ethernet switch. For a complete configuration, the following steps are performed. However, only Step 3 Page 6 is described in this document. 1.

On NPU3 B or NPU3 C: Configure the Ethernet switch (VLAN and RSTP) and the Ethernet switch ports. See Configuring Ethernet, Reference [2].

2.

On MMU2 E/F:


6 ( 11 )

No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


Date

Rev

2011-05-20

G

Reference

Configure the MMU2 E/F radio terminals, including protection mode and ADM service. See Configuration Management Operations, Reference [3]. 3.

On SXU3 B: Configure the VCG Interfaces, see Section 5 on page 6 .

4.

On NPU3 B or NPU3 C: Connect the VCG WAN interfaces to Ethernet ports on Ethernet switch. See Configuring SDH Cross-connects, Reference [4].

5

Configuring the VCG Interfaces A VCG interface is configured on the SXU3 B in four steps: 1.

Configure VCG parameters, see Section 5.1 on page 6 . Set Ethernet On/Off, concatenation type for VCG (VC-x), Trail Trace Identifier, Signal Label, LCAS, and GFP. Note:

2.

The GFP used here is GFP-F.

Configure VCG Capacity, see Section 5.2 on page 7 . Set the number of VC-x that will be used in the respective VCG. Note:

3.

To optimize the capacity usage, it is recommended to first configure the VC-4 type VCGs, then the VC-3 type VCGs, and lastly the VC-12 type VCGs.

Configure VCG cross-connection and SNCP, see Section 5.3 on page 8 . Connect the configured VCGs to the physical VC-4/VC-3/VC-12 (VC-x) assigned to the MMU. Note:

4.

When changing from VC-4 to VC-3 or VC-12, the structure in the modem must be changed accordingly. See Configuration Management Operations, Reference [3].

Configure the assigned VC channel interfaces, see Section 5.4 on page 10. Set the parameters of the VC-4, VC-3, and VC-12 channels.

5.1

Configuring the VCG Parameters 1.

In the Management Tree, below the SXU3, select the VCG for which the configuration parameters shall be viewed or modified.


7 ( 11 )

No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


Date

Rev

2011-05-20

G

2.

Select the Configure General view.

3.

Modify the parameters and click Save.

5.2

Configuring the VCG Capacity

5.2.1

Basic Flow

Reference

The basic flow describes the retrieval of the VC assignments to the selected VCG, the adding and removal of VCs and the modification of VC related VCG parameters. 1.

In the Management Tree, select one of the VCGs below the SXU3B for which the VC assignment shall be made or modified.

2.

Select the Configure VCG Capacity view. The system retrieves the list of available and assigned VCs which includes only VCs of the same type as the VCG Type attribute of the selected VCG. If the VC Type has the value None, both lists are empty. Select the Configure General view to modify its value.

3.

Select one or more VCs and click the arrow buttons to add them to or remove them from the VCG. Select the checkboxes for Received_Trail_Trace and Received_Signal_Label, otherwise there will be no traffic.

4.

Click Save.

5.

The new VCs are now visible under the selected VCG below the SXU3 B in the Management Tree.

The following error messages with the corresponding conditions may be encountered: •

Selected VC channel is part of a cross-connection. Remove the cross-connection before the interface can be deleted from the VCG.

A VCG-VC-x has been removed from its VCG and this VCG-VC-x is currently cross-connected to a VC-x. •

Not possible to delete a VC channel that is marked as “Received Trail Trace”. Mark another VC channel as Received Trail Trace before the desired VC channel can be deleted.

A VCG-VC-x has been removed from its VCG and the Path Trace Received VcN attribute of its VCG points to this VCG-VC-x (the Radio Button Selector Received Trail Trace is marked for this VCG-VC-x).


8 ( 11 )

No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


•

Date

Rev

2011-05-20

G

Reference

Not possible to delete a VC channel that is marked as “Received Signal Label”. Mark another VC channel as Received Signal Label before the desired VC channel can be deleted.

A VCG-VC-x has been removed from its VCG and the Signal Label Received VcN attribute of its VCG points to this VCG-VC-x (the Radio Button Selector Received Signal Label is marked for this VCG-VC-x). •

Mark one of the VC channels as “Received Signal Label” and “Received Trail Trace”.

None of the Radio Button Selectors Received Trail Trace or none of the Radio Button Selectors Received Signal Label has been selected. If there were no errors, all VC entries that have been added or removed are updated, as well as for the VCG.

5.2.2

Alternative Flows After Step 3 of the Basic Flow, complete information about the current usage of the VCG-VCs (of different types) available on the SXU3 B card and how they are assigned to the eight VCGs may obtain in the following way:

5.3

1.

Click Assigned VCG-VC-x.

2.

The substructure of all VCG-VC-4s are displayed, as well as whether they are currently used (busy, assigned to a VCG) or free.

3.

The VCG-VC-4 nodes can be expanded, to inspect the usage of the underlying VCG-VC-3 nodes. Expanding those in turn, the underlying VCG-VC-12 nodes may likewise be inspected.

4.

Click Back to go back to Step 3 of the Basic Flow.

Configuring the VCG Cross-connection and SNCP This section describes how to cross-connect the VC channel members of the VCG to VC channels of the same capacity in the STM-1 interfaces from the MMUs. If desired, the cross-connection (VC-4 and VC-12) can also be protected with Sub-Network Connection Protection (SNCP).

5.3.1

Configure VCG Cross-connection 1.

In the Management Tree, righ-click one of the VCG interfaces and select Ethernet over SDH.

2.

The system presents a window with the following information:


9 ( 11 )

No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


•

Date

Rev

2011-05-20

G

Reference

A cross-connection list of all Trail Termination Points (TTPs) that currently are assigned to the VCG (in the Ethernet over SDH part of the window). For each TTP the following parameters are displayed: A: TTPs assigned to the VCG. B: B side of current cross-connection. BProt: Protection interface for B. Description: User defined name of the cross-connection. SeqNo: Automatically calculated sequence number.

•

A TP list of available interfaces with the same capacity structure as the VCG (Available TPs). Available TPs are only selected from the structured STM-1 interfaces from the MMUs.

5.3.2

3.

Select one or more of the VCG members in the cross-connection list. Select one or more of the available interfaces in the TP list, and click Set B.

4.

The cross-connection list is updated with the selected TPs in the B column. New unsaved connections in the cross-connection list are marked with a separate color. The B interface of the graphical illustration in the lower left corner is updated according to the selected row in the cross-connection list.

5.

Click Save to make the connection permanent. Used TPs are removed from the available TP list and previously unsaved connections in the mapping list are shown in normal color.

Configure SNCP for the VCG If a VCG member shall be protected with another interface: 1.

Select the VCG member in the cross-connection list, select one of the available interfaces in the TP list, and click Set B prot.

2.

The Bprot column is updated with the selected interface. New unsaved connections in the cross-connection list are marked with a separate color. The Bprot interface of the graphical illustration in the lower left corner is updated accordingly.

3.

Click Save to confirm the protection.

4.

The color on the updated rows in the mapping list is changed to normal and corresponding interfaces are removed from the TP list.


No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


5.

5.4

10 ( 11 )

Date

Rev

2011-05-20

G

Reference

Select one of the protected connections in the cross-connection list and click Configure SNCP.

Configuring the Assigned VC Channel Interfaces The assigned VC channels can be of the types VC-4, VC-3 and VC-12.

5.4.1

Configure a VC-4 Interface This section describes how to configure a VC-4 interface that has been assigned to a VCG. 1.

Mark the VC4 interface under VCG in the Navigation Tree and select Configure for the interface.

2.

Enter the desired configuration and click Save The LCT updates the MIB with changed parameters. When SD Mode = Poisson Distribution, DEG Threshold and DEG Monitoring Period shall be disabled (grayed). When SD Mode = Bursty Distribution, SD Threshold and EXC Threshold shall be disabled (grayed)

5.4.2


Mark the VC-3 interface under the VCG in the Navigation Tree and select Configure for the interface.

2.

Enter the desired configuration and click Save. When SD Mode = Poisson Distribution, DEG Threshold and DEG Monitoring Period are disabled (grayed). When SD Mode = Bursty Distribution, SD Threshold and EXC Threshold are disabled (grayed).

5.4.3


Mark the VC-12 interface under the VCG in the Navigation Tree and select Configure for the interface.

2.

Enter the desired configuration and click Save.


No.


16/1543-CSH 109 32/1-V1 Uen

Approved

Checked


6

Date

Rev

2011-05-20

G

References [1] Accessing a Network Element 3/1543-CSH 109 32/1-V1 [2] Configuring Ethernet Switch 18/1543-CSH 109 32/1-V1 [3] Configuration Management Operations 6/1543-CSH 109 32/1-V1 [4] Configuring SDH Cross-connects 17/1543-CSH 109 32/1-V1 [5] Ethernet over SDH Configuration Flowchart 9/1553-CSH 109 32/1-V1 [6] Personal Health and Safety Information 124 46-2885 [7] Supplementary Safety Information for MINI-LINK 124 46-HSD 101 16/1 [8] System Safety Information 124 46-2886

Reference

11 ( 11 )

Configuring Ethernet Over SDH in MLTN

Recommend Documents