554 Fabric OS Administrator’s Guide
53-1002745-02
Configuring an extended ISL
23
portcfglongdistance [slot/]port [distance_level] [vc_translation_link_init]
[-distance desired_distance]
6. Repeat step 4 and step 5 for the remote extended ISL port. Both the local and remote
extended ISL ports must be configured to the same distance_level. When the connection is
initiated, the fabric will reconfigure.
Example
The following example configures slot 1, port 2 to support a 100-km link in LS mode and to use the
extended link initialization sequence. This example is for an 8-Gbps platform.
switch:admin> portcfgfillword 1/2 3
switch:admin> portcfglongdistance 1/2 LS 1 -distance 100
Reserved Buffers = 406
Warning: port may be reserving more credits depending on port speed.
switch:admin> portshow 1/2
portName:
portHealth: OFFLINE
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 Link_failure: 0 Frjt: 0
Unknown: 0 Loss_of_sync: 0 Fbsy: 0
Lli: 0 Loss_of_sig: 3
Proc_rqrd: 5 Protocol_err: 0
Timed_out: 0 Invalid_word: 0
Rx_flushed: 0 Invalid_crc: 0
Tx_unavail: 0 Delim_err: 0
Free_buffer: 0 Address_err: 0
Overrun: 0 Lr_in: 0
Suspended: 0 Lr_out: 0
Parity_err: 0 Ols_in: 0
2_parity_err: 0 Ols_out: 0
CMI_bus_err: 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.
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