ZXR10 2900 Series User Manual
ZESR Tangent Ring
For the reason that ZESR edge-node has heavy burden, ZESR tan-
gent ring adopts the design of using multi ctrl vlans to protect the
same group of protected vlans.
F
IGURE
58 T
ANGENT
R
ING
D
ESIGN
F
IGURE
As shown in
Figure 58
, the ring composed by S1, S2, S3 and the
ring composed by S3, S4, S5 are tangent at S3. The two rings be-
long to different areas, but they protect the same protected vlans.
Configuration Notice
�
No more than 4 areas in one node
�
No more than 3 layers in one node
�
No more than 3 layers in one area
�
No more than 4 lower layer access ports in one node
�
No more than 8 ZESR ports in one node
Caution:
When the protocol port of ZESR node is enabled and configured
(including master and slave port, edge port, access port), other
services, such as adding aggregation port group, enabling port
security, port rate limit and enabling loop detection cannot be con-
figured on this protocol port.
108
Confidential and Proprietary Information of ZTE CORPORATION