After the configuration, the source IP address of the TFTP client displayed on the TFTP server
must be the same as the configured one.
----End
8.5.3 (Optional) Configuring TFTP Access Authority
This section describes how to use an ACL rule to authorize the users to specify the TFTP servers
that can be accessed by using TFTP from the router that you have logged in to.
Context
An Access Control List (ACL) is a set of sequential rules. These rules are described based on
the source address, destination address, and port number of a packet. Routers use the ACL rules
to filter packets. With the rule applied to the interface on a router, the router permits or denies
the packets.
Each ACL can define multiple rules. ACL rules are classified into the interface ACL, basic ACL,
and advanced ACL based on the functions of ACL rules.
NOTE
TFTP supports only the basic ACL (whose number ranges from 2000 to 2999).
Do as follows on the router that serves as the TFTP client:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
acl acl-number
The ACL view is displayed.
Step 3 Run:
rule [ rule-id ] { deny | permit } [ { fragment | none-first-fragment } | source
{ source-address source-wildcard | any } | time-range time-name | vpn-instance vpn-
instance-name ]
*
The ACL rule is configured.
Step 4 Run:
quit
The system view is displayed.
Step 5 Run the tftp-server acl acl-number command. You can use the ACL to limit the access to the
TFTP server.
----End
8.5.4 Downloading Files by Using TFTP
You can download files from the TFTP server to the TFTP client.
Do as follows on the router that serves as the TFTP client:
Huawei AR2200 Series Enterprise Routers
Configuration Guide - Basic Configuration 8 Accessing Another Device
Issue 02 (2011-10-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
139
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