C
HAPTER
2
| Initial Switch Configuration
Basic Configuration
– 74 –
The following configuration examples are provided for a Linux-based DHCP
daemon (dhcpd.conf file). The server will reply with Options 66/67
encapsulated in Option 43. Note that in the “Vendor class one” section,
if the DHCP request packet's vendor class identifier matches that specified
in this file, the server will send Option 43 encapsulating Option 66 and 67
in the DHCP reply packet. In the “Vendor class two” section, the server will
always send Option 66 and 67 to tell switch to download the “test2”
configuration file from server 192.168.255.101.
ddns-update-style ad-hoc;
default-lease-time 600;
max-lease-time 7200;
log-facility local7;
server-name "Server1";
Server-identifier 192.168.255.250;
#option 43 with encapsulated option 66, 67
option space dynamicProvision code width 1 length 1 hash size 2;
option dynamicProvision.tftp-server-name code 66 = text;
option dynamicProvision.bootfile-name code 67 = text;
subnet 192.168.255.0 netmask 255.255.255.0 {
range 192.168.255.160 192.168.255.200;
option routers 192.168.255.101;
option tftp-server-name "192.168.255.100";#Default Option 66
option bootfile-name "bootfile"; #Default Option 67
}
class "Option66,67_1" { #DHCP Option 60 Vendor class
one
match if option vendor-class-identifier = "es3510ma.bix";
#option 43
option vendor-class-information code 43 = encapsulate
dynamicProvision;
#option 66 encapsulated in option 43
option vendor-class-information.tftp-server-name "192.168.255.100";
#option 67 encapsulated in option 43
option vendor-class-information.bootfile-name "test1"
}
class "Option66,67_2" { #DHCP Option 60 Vendor class
two
match if option vendor-class-identifier = "es3510ma.bix";
option tftp-server-name "192.168.255.101";
option bootfile-name "test2";
}
Table 4: Options 55 and 124 Statements
Option
Statement
Keyword Parameter
55 dhcp-parameter-request-list a list of parameters, separated by ','
124 vendor-class-identifier a string indicating the vendor class identifier
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