3Com 4210G Series, Configuration Manual, Page: 746 / 1133

3-17
Displaying and Maintaining RRPP
To do… Use the command… Remarks
Display brief RRPP information
display rrpp brief
Display RRPP group
configuration information
display rrpp ring-group
[
ring-group-id
]
Display detailed RRPP
information
display rrpp verbose domain
domain-id
[
ring ring-id
]
Display RRPP statistics
display rrpp statistics domain
domain-id
[
ring ring-id
]
Available in any view
Clear RRPP statistics
reset rrpp statistics domain
domain-id
[
ring ring-id
]
Available in user view
RRPP Configuration Examples
Single Ring Configuration Example
Networking requirements
z
Device A, Device B, Device C, and Device D constitute RRPP domain 1, specify the primary
control VLAN of RRPP domain 1 as VLAN 4092, and RRPP domain 1 protects all VLANs;
z
Device A, Device B, Device C and Device D constitute primary ring 1;
z
Specify Device A as the master node of primary ring 1, GigabitEthernet 1/0/1 as the primary port
and GigabitEthernet 1/0/2 as the secondary port;
z
Specify Device B, Device C and Device D as the transit nodes of primary ring 1, their
GigabitEthernet 1/0/1 as the primary port and GigabitEthernet 1/0/2 as the secondary port;
Figure 3-8
Network diagram for single ring configuration
Configuration procedure
1) Configuration on Device A
# Configure the suppression time of physical-link-state changes on GigabitEthernet 1/0/1 and
GigabitEthernet 1/0/2 as zero, disable STP, configure the two ports as trunk ports, and assign them to
all VLANs, and configure them to trust the 802.1p precedence of the received packets.