DSL Virtual Interface goes down + up why?

Unanswered Question
Oct 9th, 2008
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The log of one of our dsl-routers shows a lot of this messages:

*Oct 9 11:11:21 MEST: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to down

*Oct 9 11:13:49 MEST: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up

*Oct 9 11:14:52 MEST: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to down

*Oct 9 11:15:14 MEST: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up


No errors at the hardware interface.


How to debug this issue?


The config of the interface:

interface Dialer1

ip address negotiated

ip mtu 1492

encapsulation ppp

ip tcp adjust-mss 1000

dialer pool 1

no cdp enable

ppp authentication pap callin

ppp pap sent-username nc-xxxxxxx password 7 040A26502D0761

crypto ipsec client ezvpn WAHN-VPN

end


Thank you for your help

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bwilmoth Wed, 10/15/2008 - 05:52
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Ensure the configuration settings for the interface. Also try checking the layer 1 connectivity (Physical connectivity) of the router.


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