HP 8/24 Brocade Fabric OS Administrator's Guide v6.3.0 (53-1001336-01, July 20 - Page 490
Enabling long distance when connecting to TDM devices, Disable QoS.
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20 Configuring an extended ISL Authentication: None portDisableReason: None portCFlags: 0x1 portFlags: 0x1 PRESENT U_PORT portType: 17.0 portState: 2 Offline Protocol: FC portPhys: 2 No_Module portScn: 0 port generation number: 0 portId: 010200 portIfId: 4312003b portWwn: 20:02:00:05:1e:94:0f:00 portWwn of device(s) connected: Distance: static (desired = 100 Km) portSpeed: N8Gbps LE domain: 0 FC Fastwrite: OFF Interrupts: 0 Unknown: 0 Lli: 0 Proc_rqrd: 5 Timed_out: 0 Rx_flushed: 0 Tx_unavail: 0 Free_buffer: 0 Overrun: 0 Suspended: 0 Parity_err: 0 2_parity_err: 0 CMI_bus_err: 0 Link_failure: 0 Loss_of_sync: 0 Loss_of_sig: 3 Protocol_err: 0 Invalid_word: 0 Invalid_crc: 0 Delim_err: 0 Address_err: 0 Lr_in: 0 Lr_out: 0 Ols_in: 0 Ols_out: 0 Frjt: 0 Fbsy: 0 Enabling long distance when connecting to TDM devices Use this procedure when connecting to Time-Division Multiplexing (TDM) devices and your Brocade switch has QoS and buffer credit recovery enabled. 1. Connect to the switch and log in using an account assigned to the admin role. 2. Disable QoS. switch:admin> portcfgqos --disable [slot/]port If you do not disable QoS, after the second or third Link Reset (LR), ARBS display. 3. Disable the credit recovery; credit recovery is not compatible with the IDLE mode. If you do not disable the credit recovery, it continues to perform a link reset. switch:admin> portcfgcreditrecovery --disable [slot/]port 4. Configure the port to support long-distance links. switch:admin> portcfglongdistance [slot/]port,LS,0,100 448 Fabric OS Administrator's Guide 53-1001336-01
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