With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
scEthPortPkts256to511Octets
sc Eth Port Pkts256to511 Octets
1.3.6.1.4.1.81.28.2.1.1.1.15
The total number of packets (including error packets) that were between 256 and 511 octets in length inclusive (excluding framing bits but including FCS octets).
Back to XSWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor scEthPortPkts256to511Octets on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya routing switches right now.
