New and Changed Information

New and Changed Information

Feature Name Release Description Where Documented
FCIP MAC statistics 9.4(3) Added the Ethernet MAC statistics for an IPStorage interface used for FCIP Configuring FCIP Links
tcp min-retransmit-time milliseconds 9.4(2)

The default TCP minimum retransmit time is changed to 50 from 200 milliseconds.

The TCP minimum retransmit time range is changed to 50 to 5000 milliseconds from 200 to 5000 milliseconds.

 Configuring FCIP Links
Maximum throughput on a single FCIP tunnel. 9.3(1)

Maximum throughput on a single FCIP tunnel

  • on Cisco MDS 9220i is 10Gbps.

  • the 40 Gbps IPS port, the maximum throughput is 34.6 Gbps when 4 FCIP tunnels are created on separate VLAN subinterfaces.

  • is 7 Gbps. For maximum performance, create two fcip tunnels on 10 Gbps IPS ports.

 Configuring FCIP Links for Maximum Performance on Cisco MDS 24/10 port SAN Extension Module and M9220i switch
Introduced support for 25-Gbps IPS Port Speed for Cisco MDS 9220i. 9.3(1) 25-Gbps speed is supported from Cisco MDS NX-OS Release 9.3(1). Configuring IPS Ports on Cisco MDS 9220i Switch