INFORMATION REPEATER

PROBLEM TO BE SOLVED: To prevent transmission information from being untransmissible due to falling into an unlimited loop via a pseudo network interface performing encapsulation processing. SOLUTION: In a router device which performs packet relay between pseudo network interfaces by physical networ...

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Bibliographic Details
Main Author KIYONO TAKASHI
Format Patent
LanguageEnglish
Published 14.07.2000
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To prevent transmission information from being untransmissible due to falling into an unlimited loop via a pseudo network interface performing encapsulation processing. SOLUTION: In a router device which performs packet relay between pseudo network interfaces by physical network interfaces 603 and 604 and a tunnel device driver 802 in a packet forwarding program 803 and a routing table 804 mounted on an operating system 800 of a main storage device 602, an interface table 805 including the definition information of the network interfaces is made referrable from an application program such as a path control program 901 updating the table 804 and a table maintenance program 902, and such erroneous setting as retransmit a packet after encapsulation to the pseudo network interfaces is prevented when the table 804 is updated.
Bibliography:Application Number: JP19980369440