With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
frxH7EsTx
Cisco 90i H7 Errored Seconds Tx
1.3.6.1.4.1.1570.1.6.5.1.17
Errored Seconds 7 hours ago - Transmit direction. Transmit is data from the network towards the customer. Errored Seconds are seconds in which one or more block errors occur. These errors are measured at the physical link level (e.g. DSL CRC or BPV errors) and not at the frame relay level. This register is defined by Bellcore TR-TSY-000829. Indexed by Bank.ChannelUnit.Port.Address (note: DDS loops cannot detect transmit errors)
Back to CISCO-90-MIB MIB page.
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