ADTRAN BlueSecure Controller Specifikace stáhnout pdf (Strana 338)

Appendix B:

B-6

)

Note: If you wish to prioritize certain BSCs to connect to, a failover option is allowed in

the IP separated list. By prepending the letter F to the IP address, it designates that BSC as

a failover BSC. Only if the primary BSC(s) fail, will the AP associate to the failover

BSC(s). This provides N+1 redundancy. In the following example, 192.168.100.25 is

the failover BSC:

option 43 "192.168.100.23,192.168.100.98,F192.168.100.25 "

5. Click Apply to complete the scope option configuration.

The defined scope option now appears, for example:

The BSAPs will connect to one of the BSCs defined in the vendor option.

Provisioning an Internet Systems Consortium (ISC) DHCP Server

To setup an ISC server on your network to send the DHCP Vendor option, you must first

match the identifier, then add the option:

if option vendor-class-identifier = "BlueSecure.AP1500" {

option vendor-encapsulated-options

7F:0D:31:39:32:2E:31:36:38:2E:31:36:30:2E

:31;

}

31 is hex for 1, 39 for 9, so the above string reads: 127 (vendor), 13 (length), then

192.168.160.1. The hexadecimal string is assembled as a sequence of the TLV values

for the Option 43 sub-option: Type + Length + Value. Type is always the sub-option code

0x7f (decimal 127). Length is the number of controller Protected IP addresses times 4 in

hex. Value is the IP address of the controller listed sequentially in hex.

Figure B-9: The Defined Scope Option

1 2 ... 333 334 335 336 337 338 339 340 341 342 343 ... 375 376

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ADTRAN BlueSecure Controller Specifikace Strana 338