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<p>What does "its not working" mean? It doesn't get a lease? It
gets the wrong lease?<br>
<br>
Looks like your 'match if' is incorrect. It should be <b>substring
(<i>data-expr<b>, <i>offset<b>, <i>length<b>). </b></i></b></i></b></i></b>Can
you try:<br>
<font color="#804000"><tt> match if substring</tt><font
color="#008080"><tt><b>(</b></tt></font><tt><b><font
color="#000000">v6relay(1, option dhcp6.vss)</font></b>, <b><font
color="#000000">1</font></b>, <b><font color="#000000">5</font></b></tt><font
color="#008080"><tt><b>)</b></tt></font><tt> = "test1";</tt><tt><br>
</tt></font><br>
Bill<br>
</p>
<div class="moz-cite-prefix">On 7/16/2020 5:40 PM, kaushik roy
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAHriuFRByH5A6O164q5c_Hm2uyPfwbCZZqGxSjbgrWO6EJ_vzw@mail.gmail.com">
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<div dir="ltr">Hi ,
<div><br>
</div>
<div>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.</div>
<div><br>
</div>
<div>In below config "test1" is the client vrf .</div>
<div><br>
</div>
<div>class "vrftest1" {<br>
match if substring (v6relay(1, option dhcp6.vss) =
"test1");<br>
}<br>
subnet6 2001:0:0:2::/64 {<br>
pool6 {<br>
allow members of "vrftest1";<br>
range6 2001:0:0:2::20 2001:0:0:2::200;<br>
}<br>
}<br>
</div>
</div>
<br>
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