Huawei S1720 Series Configuration Guide

6.3.3 Configuring IPv4 IS-IS Interfaces
To configure an interface on an IS-IS device to send Hello packets or flood LSPs, IS-IS must
be enabled on this interface.
Context
The level of an IS-IS device and level of an interface together determine the level of a neighbor
relationship. By default, Level-1 and Level-2 neighbor relationships will be established between
two Level-1-2 devices. If only one level of neighbor relationships is required, you can configure
the level of an interface to prevent the establishment of the other level of neighbor relationships.
After IS-IS is enabled on an interface, the interface will automatically send Hello packets,
attempting to establish neighbor relationships. If a peer device is not an IS-IS device or if an
interface is not expected to send Hello packets, suppress the interface. Then this interface only
advertises routes of the network segment where the interface reside, but does not send Hello
packets. This suppression improves the link bandwidth usage.
Procedure
l Configure an IS-IS interface.
1. Run:
system-view
The system view is displayed.
2. Run:
interface interface-type interface-number
The interface view is displayed.
3. Run:
isis enable [ process-id ]
An IS-IS interface is configured.
After this command is run, the IS-IS device uses the specified interface to send Hello
packets and flood LSPs.
NOTE
No neighbor relationship needs to be established between loopback interfaces. Therefore, if
this command is run on a loopback interface, the routes of the network segment where the
loopback interface resides will be advertised through other IS-IS interfaces.
l (Optional) Configure the level of an IS-IS interface.
1. Run:
system-view
The system view is displayed.
2. Run:
interface interface-type interface-number
The interface view is displayed.
3. Run:
isis circuit-level [ level-1 | level-1-2 | level-2 ]
The level of the interface is configured.
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 6 IS-IS Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
246

Huawei S1720 Series Specifications

General

Operating Humidity	5% to 95% (non-condensing)
Uplink Ports	4 x GE combo ports
VLANs	4094
Power Supply	AC 100-240V, 50/60Hz
Layer 2 Features	VLAN
Layer 3 Features	Static routing
Management	SNMP
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to +70°C
Dimensions (W x D x H)	442 mm x 220 mm x 43.6 mm