HP StorageWorks 1606 Brocade Fabric OS Administrator's Guide v6.3.0 (53-100133 - Page 56

Domain IDs, Displaying the domain IDs

Page 56 highlights

1 Domain IDs Example of displaying the NTP server switch:admin> tsclockserver 10.1.2.3 Example of setting up more than one NTP server using a DNS name switch:admin> tsclockserver "10.1.2.4;10.1.2.5;ntp.localdomain.net" Updating Clock Server configuration...done. Updated with the NTP servers Changes to the clock server value on the principal or primary FCS switch are propagated to all switches in the fabric. Domain IDs Although domain IDs are assigned dynamically when a switch is enabled, you can change them manually so that you can control the ID number or resolve a domain ID conflict when you merge fabrics. If a switch has a domain ID when it is enabled, and that domain ID conflicts with another switch in the fabric, the conflict is automatically resolved if the other switch's Domain ID is not persistently set. The process can take several seconds, during which time traffic is delayed. If both switches have their Domain IDs persistently set, one of them will need to have its Domain ID changed to a Domain ID not used within the fabric. The default domain ID for Brocade switches is 1. ATTENTION Do not use domain ID 0. The use of this domain ID can cause the switch to reboot continuously. Avoid changing the domain ID on the FCS in secure mode. To minimize down time, change the domain IDs on the other switches in the fabric. Displaying the domain IDs 1. Connect to the switch and log in using an account assigned to the admin role. 2. Enter the fabricShow command. Example output of fabric information, including the domain ID (D_ID) The principal switch is determined by the arrow ( > ) next to the name of the switch. In this output, the principal switch has been bolded. switch:admin> fabricshow Switch ID Worldwide Name Enet IP Addr FC IP Addr Name 2: fffc02 10:00:00:60:69:e0:01:46 10.3.220.1 0.0.0.0 "ras001" 3: fffc03 10:00:00:60:69:e0:01:47 10.3.220.2 0.0.0.0 "ras002" 5: fffc05 10:00:00:05:1e:34:01:bd 10.3.220.5 0.0.0.0 "ras005" fec0:60:69bc:63:205:1eff:fe34:1bd 6: fffc06 10:00:00:05:1e:34:02:3e 10.3.220.6 0.0.0.0 "ras006" 7: fffc07 10:00:00:05:1e:34:02:0c 10.3.220.7 0.0.0.0 "ras007" 10: fffc0a 10:00:00:05:1e:39:e4:5a 10.3.220.10 0.0.0.0 "ras010" 15: fffc0f 10:00:00:60:69:80:47:74 10.3.220.15 0.0.0.0 "ras015" 19: fffc13 10:00:00:05:1e:34:00:ad 10.3.220.19 0.0.0.0 "ras019" fec0:60:69bc:63:219:1eff:fe34:1bd 14 Fabric OS Administrator's Guide 53-1001336-01

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14
Fabric OS Administrator’s Guide
53-1001336-01
Domain IDs
1
Example of displaying the NTP server
switch:admin>
tsclockserver
10.1.2.3
Example of setting up more than one NTP server using a DNS name
switch:admin>
tsclockserver
"10.1.2.4;10.1.2.5;ntp.localdomain.net"
Updating Clock Server configuration...done.
Updated with the NTP servers
Changes to the clock server value on the principal or primary FCS switch are
propagated to all switches in the fabric.
Domain IDs
Although domain IDs are assigned dynamically when a switch is enabled, you can change them
manually so that you can control the ID number or resolve a domain ID conflict when you merge
fabrics.
If a switch has a domain ID when it is enabled, and that domain ID conflicts with another switch in
the fabric, the conflict is automatically resolved if the other switch’s Domain ID is not persistently
set. The process can take several seconds, during which time traffic is delayed. If both switches
have their Domain IDs persistently set, one of them will need to have its Domain ID changed to a
Domain ID not used within the fabric.
The default domain ID for Brocade switches is 1.
ATTENTION
Do not use domain ID 0. The use of this domain ID can cause the switch to reboot continuously.
Avoid changing the domain ID on the FCS in secure mode. To minimize down time, change the
domain IDs on the other switches in the fabric.
Displaying the domain IDs
1.
Connect to the switch and log in using an account assigned to the admin role.
2.
Enter the
fabricShow
command.
Example output of fabric information, including the domain ID (D_ID)
The principal switch is determined by the arrow ( > ) next to the name of the switch. In this
output, the principal switch has been bolded.
switch:admin> fabricshow
Switch ID
Worldwide Name
Enet IP Addr
FC IP Addr
Name
-------------------------------------------------------------------------
2: fffc02 10:00:00:60:69:e0:01:46 10.3.220.1
0.0.0.0
"ras001"
3: fffc03 10:00:00:60:69:e0:01:47 10.3.220.2
0.0.0.0
"ras002"
5: fffc05 10:00:00:05:1e:34:01:bd 10.3.220.5
0.0.0.0
"ras005"
fec0:60:69bc:63:205:1eff:fe34:1bd
6: fffc06 10:00:00:05:1e:34:02:3e 10.3.220.6
0.0.0.0
"ras006"
7: fffc07 10:00:00:05:1e:34:02:0c 10.3.220.7
0.0.0.0
"ras007"
10: fffc0a 10:00:00:05:1e:39:e4:5a 10.3.220.10
0.0.0.0
"ras010"
15: fffc0f 10:00:00:60:69:80:47:74 10.3.220.15
0.0.0.0
"ras015"
19: fffc13 10:00:00:05:1e:34:00:ad 10.3.220.19
0.0.0.0
"ras019"
fec0:60:69bc:63:219:1eff:fe34:1bd