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(ASCEND) Isdn link and name resolution time-out
One of our customers has a Internet Connexion with a Cisco 1603 calling our Ascend Max 4000 via Isdn
His connexion is used by a Lotus Notes SMTP gateway to send mail from his domain
He has the following problem :
- the Lotus SMTP Gateway calls the DNS in order to get the MX for a destination mail address
- the request goes to the Cisco which place a isdn call
- sometimes the isdn link takes more than 5 seconds to come up, in this case :
- the Lotus SMTP Gateway times-out the DNS request and schedules the message for later retry
1) We have other customers with similar configurations : dial-up or isdn link and Lotus SMTP gateway
who do not experience such problems.
The only specific point for this customer is that he uses a Cisco 1603 (other customers use Cisco 25xx
ou dial-up links)
2) I checked the response time of our radius servers, it seems OK (the radius logs show attribute value for
Ascend-PreSession-Time between 0 and 4 sec, mean value 2 sec)
Would anybody have an idea for either :
a) decrease the connexion establishment time
b) increase the name resolution time-out on Lotus SMTP gateway
Thanks for your help
Gérard Cany
Symphonie - MNet
Parc Technologique de la Pompignane
34 055 Montpellier Cedex 1
tel : 04 67 15 67 38
fax : 04 67 15 67 31
E-mail : gerard@mnet.fr
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