gshdsl flapping

[cisd_cisco]

we are migrating from atm over shdsl to ip over shdsl. we are encountering line flapping on the shdsl line. our routers are 2610 xm with ios 12.3 T advanced security

[smalkeric]

An interoperability issue with Cisco 1700, 2600, and 3600 series routers containing a WIC-1SHDSL causes line flapping approximately once an hour when connected to an vendor specific DSLAM. The line comes up without any problems within one minute.

You may try upgrading to Cisco IOS Software Release 12.2(13)T1 or later to avoid this issue.

Upgrade to one of the releases listed below to resolve this issue

Cisco IOS Software Major Release - 12.2(T)

Cisco IOS Software Maintenance Release - 12.2(13)T1

Cisco IOS Software Interim Build - 12.2(13)T1

Refer the below URL:

http://www.cisco.com/en/US/ts/fn/100/fn18306.html