With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvdslMCMConfProfileTxWindowLength
cvdsl MCM Conf Profile Tx Window Length
1.3.6.1.4.1.9.10.87.1.1.9.1.1
Specifies the length of the transmit window, counted in samples at the sampling rate corresponding to the negotiated value of N.
Back to CISCO-IETF-VDSL-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor cvdslMCMConfProfileTxWindowLength on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.