Dell Brocade G620 Brocade 8.0.1 Fabric OS Administratiors Guide - Page 85
Gbps and 10 Gbps, speed is invalid
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Performing Advanced Configuration Tasks Example 2: if you have ports 8-15 octet set to combination 2, port 8 may be set to fixed 10G, port 9 to ASN up to 8G, port 10 to ASN up to 4G, etc as long as only port speeds of 4G, 8G, or 10G are configured. The octet can be specified by any port within the octet. To change the first octet, for example, any port from 0, 1, through 7 can be used as port argument value. This command is non-disruptive. If any of the ports do not meet the conditions mentioned above, the operation fails and you have to change the port speed or disable the ports and retry the operation. NOTE Be aware that in a Virtual Fabrics environment, this command configures the speed of a port octet chassis-wide and not only on the logical switch. This feature is supported on Gen 6 (32-Gbps) and Gen 5 (16-Gbps) switches and ports, except for the core blades, the FC16-64 port blade, and the Brocade 7840 Extension switch. 1. Connect to the switch and log in using an account with admin permissions. 2. Enter the portCfgOctetSpeedCombo command. The following example configures the ports in the first octet for combination 3 (support autonegotiated or fixed port speeds of 16 Gbps and 10 Gbps): switch:admin> portcfgoctetspeedcombo 1 3 If the combo cannot be switched without disrupting the ports, the following message is displayed indicating which ports must be disabled and which speed configurations must be changed. Octet combo information is stored in the configuration file. All the configuration operations will be supported with octet speed combo. portcfgoctetspeedcombo 5 2 The following ports must be disabled or speed configuration needs to be change. Please retry the operation after taking appropriate aciton. Speeds supported for octet combo 2 - [10G,8G,4G,AN] Port Speed 0 AN 1 N16+ 2 N16+ 3 N16+ 4 AN 5 N8 6 N8 7 N16+ * Port speed configuration must be changed + Port must be disabled Setting octet speed combo failed 3. Run the portCfgSpeed command. The portCfgSpeed command checks if the desired speed is allowed based on the combination configured for that octet. If the speed is invalid, a warning message is displayed with the suggested combination to achieve your desired speed and the command is aborted. You will then have to execute portCfgOctetSpeedCombo to the suggested combination before reexecuting the portCfgSpeed command with that desired speed setting. For example, port 3's octet is in combination 1, and you specified "10", the command is rejected with the suggested combination of 2. You will then have to change the octet speed combination to 2 before retrying "10". The supported speed for each combination is shown in the table below for Gen 6 devices. Brocade Fabric OS Administration Guide, 8.0.1 53-1004111-02 85
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