Table 10-9 Interface blocking mode
Interface Blocking
Mode
Description
Specifying the interface
with the highest priority
as the blocked interface
Is applicable to a large-scale network.
After fault recovery, the interface with the highest priority in a
SEP segment is designated as the blocked interface. In this mode,
the priorities of the interfaces on the SEP segment need to be set
in advanced.
Specifying the interface
in the middle of a SEP
segment as the blocked
interface
Is applicable to a network where traffic is symmetrically
distributed.
After fault recovery, the interface in the middle of a SEP segment
is designated as the blocked interface.
Specifying the blocked
interface based on the
configured hop count
Is applicable to a small-scale network.
After fault recovery, a specified interface can be blocked based
on the hop count. A network planner needs to be familiar with
the topology of the entire SEP segment and the number of hops
from the blocked interface to the primary-edge interface.
Specifying the blocked
interface based on the
device name and interface
name
Is applicable to a small-scale network.
After fault recovery, a specified interface can be blocked based
on the device name and the interface name. A network planner
needs to be familiar with the names of devices and interfaces on
the entire SEP segment and ensures that each device name is
unique.
Do as follows on the device where the primary edge interface or the no-neighbor primary edge
interface is located:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
sep segment segment-id
A SEP segment is created and the view of the SEP segment is displayed.
Step 3 Run:
block port { optimal | middle | hop hop-id | sysname sysname interface interface-
type interface-number }
An interface blocking mode is set.
By default, one of the interfaces at both ends of the last link that is set up or the last link that
recovers from a fault is blocked.
l optimal specifies the interface with the highest priority as the blocked interface.
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 10 SEP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
513
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