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Configuration Guide - Virtualization

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of virtualization, including stack and VS.

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Licensing Requirements and Limitations for VSs

Licensing Requirements and Limitations for VSs

Involved Network Elements

No other network elements (NEs) are required.

Licensing Requirements

The VS function is controlled by a license and is disabled on a new device by default. To use the VS function, apply for and purchase the license from the equipment supplier.

Version Requirements

Table 2-2 Products and minimum version supporting VSs

Product

Minimum Version Required

CE12804/CE12808/CE12812

V100R002C00

CE12816

V100R003C00

CE12804S/CE12808S

V100R005C00

CE12800E (equipped with ED-E, EG-E, and EGA-E series cards)

V200R002C50

Feature Limitations

Precautions

When configuring VSs, pay attention to the following points:
  • A physical system (PS) supports a maximum of 16 VSs (including the Admin-VS). By default, seven VSs in group mode can be created. To create more VSs in group mode, adjust the number of VLANs occupied by VSs.

  • It is recommended that at most four VSs with the routing calculation function be deployed on a PS.

  • VSs in port mode support only basic features including Layer 2 features (MAC, VLAN, and Eth-Trunk), Layer 3 IPv4 features (RIP, OSPF, IS-IS, and BGP), ACL, QoS, and attack defense. VSs in port group mode are recommended.

    For feature support of VSs in port mode and VSs in group mode, see Table 2-3.

  • Only the PS administrator can create VSs and allocate resources to VSs.

  • VSs can be created only when the PS has sufficient physical and logical resources to be allocated.

  • Only physical ports on LPUs can be assigned to VSs. However, stack member ports and Eth-Trunk member ports cannot be assigned to VSs.

  • After a physical port is assigned to a VS, the port cannot be configured as a stack member port.

  • There is no mapping between a logical resource template and a VS. After a logical resource template is loaded on a VS, modifying the logical resource template does not affect the VS. The modified logical resource template takes effect only after it is loaded to the VS again.

  • Different IP addresses need to be configured for the management interfaces of different VSs.

  • In V100R005C00 and later versions, other ports on the forwarding chip where stack member ports reside can be allocated to VSs in group mode (stack member ports will not be assigned to VSs). This configuration is not supported in versions earlier than V100R005C00.

    When V100R005C00 or later versions have the configuration in this scenario, it is not recommended to downgrade the software to a version earlier than V100R005C00. If the software needs to be downgraded, before the downgrade, configure the next startup configuration file as the backup configuration file used before a version upgrade.

  • Before upgrading the switch from V100R002C00 to a later version, you must load the license if the switch uses the VS function and does not have the license loaded. Otherwise, the VS function cannot work normally.

  • If multiple VSs are created on the switch, routing entry specifications of the CE-L36CQ-FG, CE-L48XS-FG or CE-L08CF-FG1 card will be reduced.

  • On the CE12800E, all VSs share the flash storage space. Therefore, the flash storage space occupied by a specific VS cannot be independently allocated. If the switch displays the hwStorageUtilizationRisingAlarm, indicating that the flash usage exceeds the threshold, check the flash usage of all VSs (including the Admin-VS) and delete unnecessary files as required.

Support for Features in a VS

Support for most service features in a VS is the same as that on a physical device, except for the features listed in Table 2-3.
Table 2-3 Support for features in a VS

Feature

Support in a VS

Hardware management

Hardware operations, such as device restart, card reset, and e-label backup, can be performed only in the Admin-VS and are not supported in non-Admin-VSs. VS information such as CPU and memory usage can be viewed in non-Admin-VSs.

Patch

Only the Admin-VS can have patches installed.

License

Only the Admin-VS can have the license activated.

Agile Controller-DCN

Only the Admin-VS can connect to the Agile Controller-DCN.

Number of VTY users

The Admin-VS supports a maximum of 21 VTY users.

In V100R003C00 and earlier versions, a non-Admin-VS supports a maximum of 5 VTY users. In versions later than V100R003C00, a non-Admin-VS supports a maximum of 20 VTY users.

Port split

Ports assigned to non-Admin-VSs cannot be split.

CSS

  • CSS can only be configured in the Admin-VS.
  • VSs can be created in a CSS. Configure the CSS before creating VSs. If VSs are created before configuring the CSS, the configuration may be lost.

  • Similar to a single switch, a CSS supports a maximum of 16 VSs.

MPLS, GRE, L3VPN, VLL, PWE3, VPLS, EVN and multicast

  • Among all VSs in port mode, MPLS, GRE, L3VPN, VLL, PWE3, VPLS, EVN and multicast functions can only be configured in the Admin-VS.

  • MPLS, GRE, L3VPN, VLL, PWE3, VPLS, EVN and multicast functions can be configured in any VS in group mode.

MPLS TE

In V100R003C00 and earlier versions, MPLS TE functions can only be configured in the Admin-VS.

In V100R003C10 and later versions:
  • Among all VSs in port mode, MPLS TE functions can only be configured in the Admin-VS.

  • MPLS TE functions can be configured in any VS in group mode.

SR-TE

  • Among all VSs in port mode, SR-TE functions can only be configured in the Admin-VS.

  • SR-TE functions can be configured in any VS in group mode.

TRILL

  • Transparent Interconnection of Lots of Links (TRILL) can be configured in the Admin-VS if there is no VS in port mode. No VS in port mode can be configured after TRILL is configured in the Admin-VS.

  • If VSs in port mode are configured, TRILL cannot be configured in any VS in port mode, including the Admin-VS.

  • All VSs in group mode support TRILL configuration.

VXLAN

In V100R003C10 and V100R005C00, VXLAN takes effect only in the Admin-VS.

From V100R005C10:
  • Among all VSs in port mode, VXLAN function can only be configured in the Admin-VS.

  • VXLAN functions can be configured in any VS in group mode.

M-LAG

  • Among all VSs in port mode, M-LAG can only be configured in the Admin-VS.

  • M-LAG can be configured in any VS in group mode.

TCAM ACL customization

  • All VSs in group mode support TCAM ACL customization.
  • In earlier versions of V100R006C00, among VSs in port mode, only the admin-VS supports TCAM ACL customization. In V100R006C00 and later versions, the VS in port mode and TCAM ACL customization cannot be configured simultaneously.

NTP

NTP can only be configured in Admin-VS. After a VS is created, the non-Admin-VS system time is the same as the Admin-VS system time.

OpenFlow

In V200R003C00 and earlier versions, switches can set up OpenFlow connections with the Agile Controller only in an admin-VS. Since V200R003C00, switches can set up OpenFlow connections with the Agile Controller in any VS.

Priority Mapping

You can create a DiffServ domain, enable the mapping between PHBs and DSCP/802.1p priorities in the outbound direction, and configure the mapping between CoS values and queue indexes only in the Admin-VS in port mode. The configurations take effect for other VSs in port mode.

You can create a DiffServ domain, enable the mapping between PHBs and DSCP/802.1p priorities in the outbound direction, and configure the mapping between CoS values and queue indexes in all VSs in group mode. The configurations take effect for the local VS.

Port Assignment on Cards

You must assign ports to VSs in group mode based on port groups. That is, assign or delete ports in the same port group to or from the same VS.

Table 2-4 lists the number of port groups on different types of cards.

Table 2-4 Number of port groups on cards

Card Model

Number of Port Groups

GE interface cards:
  • CE-L48GS-EA
  • CE-L48GT-EA
  • CE-L48GS-EC
  • CE-L48GT-EC
  • CE-L48GS-ED
  • CE-L48GT-ED
  • CEL48GTEGA-E
  • CE-FWA
  • CE-IPSA
10GE interface cards:
  • CE-L12XS-ED
  • CE-L24XS-EA
  • CE-L24XS-BA
  • CE-L24XS-EC
  • CE-L24XS-ED
  • CEL24XSED-E
  • CEL24XSEGA-E
  • CEL48XSEGA-E
  • CE-L48XS-FDA
  • CE-L48XS-FD
  • CE-L48XS-FD1
  • CE-L48XS-FG
40GE interface cards:
  • CE-L02LQ-EC
  • CE-L06LQ-EC
  • CEL36LQEG-E
100GE interface cards:
  • CE-L08CF-FG1
  • CEL16CQEG-E
  • CE-L36CQ-FG
  • CE-L36CQ-FD1
  • CE-L36CQ-SD

1

GE interface cards:
  • CE-L48XS-EA
  • CE-L48XS-BA
  • CE-L48XS-EC
  • CE-L48XS-ED
  • CE-L48XS-EF
  • CE-L48XT-EC
  • CEL48XSED-E
40GE interface cards:
  • CE-L12LQ-EF
  • CE-L24LQ-FD
  • CE-L36LQ-EG
100GE interface cards:
  • CE-L04CF-EF
  • CE-L04CF-EC
  • CE-L12CQ-FD
  • CE-L16CQ-FD

2

100GE interface cards:
  • CE-L12CF-EG

In V100R005C10 and earlier versions: 1

In V100R006C00 and later versions: 2

100GE interface cards:

  • CE-L36CQ-FD

In V200R001C00: 1

In V200R002C50 and later versions: 2

40GE interface cards:
  • CEL24LQED-E
  • CE-L36LQ-FD

3

40GE interface cards:
  • CE-L24LQ-EA
  • CE-L24LQ-EC
  • CE-L24LQ-EC1
  • CEL36LQED-E
100GE interface cards:
  • CE-L08CC-EC

4

Contiguous ports on a card are added to each port group in sequence. For example, a CE-L48XS-EA card has two port groups, and ports 10GE1/0/0 to 10GE1/0/23 are added to one port group, and ports 10GE1/0/24 to 10GE1/0/47 are added to the other port group.

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Updated: 2019-03-21

Document ID: EDOC1000166610

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