regarding dhcpv6 option 68

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regarding dhcpv6 option 68

kaushik roy
Hi ,

I want to configure a dhcpv6 pool, which will assign ip addresses based on option 68 field . I tried the below configuration but its not working for me. Please guide me to configure dhcpv6 pool.

In below config "test1" is the client vrf .

class "vrftest1" {
       match if substring (v6relay(1, option dhcp6.vss) = "test1");
}
subnet6 2001:0:0:2::/64 {
   pool6 {
     allow members of "vrftest1";
     range6 2001:0:0:2::20 2001:0:0:2::200;
}
}

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Re: regarding dhcpv6 option 68

Bill Shirley-2

What does "its not working" mean?  It doesn't get a lease?  It gets the wrong lease?

Looks like your 'match if' is incorrect.  It should be substring (data-expr, offset, length). Can you try:
  match if substring(v6relay(1, option dhcp6.vss), 1, 5) = "test1";

Bill

On 7/16/2020 5:40 PM, kaushik roy wrote:
Hi ,

I want to configure a dhcpv6 pool, which will assign ip addresses based on option 68 field . I tried the below configuration but its not working for me. Please guide me to configure dhcpv6 pool.

In below config "test1" is the client vrf .

class "vrftest1" {
       match if substring (v6relay(1, option dhcp6.vss) = "test1");
}
subnet6 2001:0:0:2::/64 {
   pool6 {
     allow members of "vrftest1";
     range6 2001:0:0:2::20 2001:0:0:2::200;
}
}

_______________________________________________
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_______________________________________________
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