H3C S5120-EI Series - Creating an RRPP Domain; Configuring Control Vlans; Configuration Guidelines

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Task Remarks
Configuring an RRPP ring group
Optional.
Perform this task on the edge node and assistant-edge node
in the RRPP domain.
NOTE:
• RRPP does not have an auto election mechanism, so you must confi
g
ure each node in the rin
g
network
properly for RRPP to monitor and protect the ring network.
• Before configuring RRPP, you must construct a ring-shaped Ethernet topology physically.
Creating an RRPP domain
When creating an RRPP domain, specify a domain ID, which uniquely identifies an RRPP domain. All
devices in the same RRPP domain must be configured with the same domain ID.
Perform this configuration on devices you want to configure as nodes in the RRPP domain.
To create an RRPP domain:
Ste
p
Command
1. Enter system view.
system-view
2. Create an RRPP domain, and enter RRPP domain
view.
rrpp domain domain-id
Configuring control VLANs
Before configuring RRPP rings in an RRPP domain, configure the same control VLANs for all nodes in the
RRPP domain first. When configuring control VLANs for an RRPP domain, you only need to configure the
primary control VLAN. The system automatically configures the secondary control VLAN, and it uses the
primary control VLAN ID plus 1 as the secondary control VLAN ID. For the control VLAN configuration
to succeed, make sure the IDs of the two control VLANs are consecutive and have not been assigned yet.
Perform this configuration on all nodes in the RRPP domain to be configured.
Configuration guidelines
• To ensure proper forwarding of RRPPDUs, do not configure the default VLAN of a port accessing an
RRPP ring as the control VLAN, or enable 802.1Q in 802.1Q (QinQ) on the control VLANs.
• Before configuring RRPP rings for an RRPP domain, you can delete or modify the control VLANs
configured for the RRPP domain. However, after configuring RRPP rings for an RRPP domain, you
cannot delete or modify the control VLANs of the domain. You can only use the undo control-vlan
command to delete a control VLAN.
• To transparently transmit RRPPDUs on a device not configured with RRPP, you must ensure only the
two ports connecting the device to the RRPP ring permit the packets of the control VLANs. Otherwise,
the packets from other VLANs may go into the control VLANs in transparent transmission mode and
strike the RRPP ring.