Maximum count of ms-classless-static-routes

[Glenn Satchell]

There is a limit to how big a DHCP packet can be, and this can limit
the total size of all the options. Suggest you set up the router to
know all the routes if possible, and only give the client pc a default
route to that router.

regards,
-glenn

>Subject: Maximum count of ms-classless-static-routes
>From: Yuriy Ohonin <yuriy at krk.ru>
>To: dhcp-users at lists.isc.org
>Date: Thu, 09 Jul 2009 11:16:41 +0800
>
>Hello,
>
>I'm not able to set more than 31 static routes via dhcpd.
>(using "option ms-classless-static-routes")
>Well, i can write config file, but client pc (os windows xp home) does
>not accept them.
>
>Here is the config:
>
># New_Subnet_3824
> subnet 172.27.19.0 netmask 255.255.255.224 {
>        authoritative;
>        option domain-name "orionnet.ru";
>        option domain-name-servers 80.65.20.1,80.65.16.1;
>        option routers 172.27.19.30;
>        deny unknown-clients;
>
>option ms-classless-static-routes 23, 62,33,58, 172,27,19,30, 23,
>62,33,66, 172,27,19,30, 24, 62,213,55, 172,27,19,30, 24, 62,213,56,
>172,27,19,30, 21, 79,99,216, 172,27,19,30, 27, 80,82,189,32,
>172,27,19,30, 21, 80,91,192, 172,27,19,30, 24, 80,91,207, 172,27,19,30,
>24, 80,237,84, 172,27,19,30, 24, 80,237,107, 172,27,19,30, 23,
>80,240,34, 172,27,19,30, 24, 83,234,36, 172,27,19,30, 24, 83,234,173,
>172,27,19,30, 28, 83,234,173,128, 172,27,19,30, 21, 84,22,128,
>172,27,19,30, 21, 84,22,136, 172,27,19,30, 24, 84,22,136, 172,27,19,30,
>24, 84,22,137, 172,27,19,30, 24, 84,22,138, 172,27,19,30, 24, 84,22,139,
>172,27,19,30, 28, 84,22,139,224, 172,27,19,30, 24, 84,22,140,
>172,27,19,30, 24, 84,22,141, 172,27,19,30, 24, 84,22,142, 172,27,19,30,
>24, 84,22,143, 172,27,19,30, 21, 84,22,144, 172,27,19,30, 24, 84,22,152,
>172,27,19,30, 24, 84,22,154, 172,27,19,30, 24, 84,22,155, 172,27,19,30,
>24, 84,22,156, 172,27,19,30, 24, 84,22,157, 172,27,19,30, 24, 84,22,158,
>172,27,19,30, 24, 84,22,159, 172,27,19,30, 29, 87,103,152,96,
>172,27,19,30, 22, 87,236,40, 172,27,19,30;
>option rfc3442-classless-static-routes 23, 62,33,58, 172,27,19,30, 23,
>62,33,66, 172,27,19,30, 24, 62,213,55, 172,27,19,30, 24, 62,213,56,
>172,27,19,30, 21, 79,99,216, 172,27,19,30, 27, 80,82,189,32,
>172,27,19,30, 21, 80,91,192, 172,27,19,30, 24, 80,91,207, 172,27,19,30,
>24, 80,237,84, 172,27,19,30, 24, 80,237,107, 172,27,19,30, 23,
>80,240,34, 172,27,19,30, 24, 83,234,36, 172,27,19,30, 24, 83,234,173,
>172,27,19,30, 28, 83,234,173,128, 172,27,19,30, 21, 84,22,128,
>172,27,19,30, 21, 84,22,136, 172,27,19,30, 24, 84,22,136, 172,27,19,30,
>24, 84,22,137, 172,27,19,30, 24, 84,22,138, 172,27,19,30, 24, 84,22,139,
>172,27,19,30, 28, 84,22,139,224, 172,27,19,30, 24, 84,22,140,
>172,27,19,30, 24, 84,22,141, 172,27,19,30, 24, 84,22,142, 172,27,19,30,
>24, 84,22,143, 172,27,19,30, 21, 84,22,144, 172,27,19,30, 24, 84,22,152,
>172,27,19,30, 24, 84,22,154, 172,27,19,30, 24, 84,22,155, 172,27,19,30,
>24, 84,22,156, 172,27,19,30, 24, 84,22,157, 172,27,19,30, 24, 84,22,158,
>172,27,19,30, 24, 84,22,159, 172,27,19,30, 29, 87,103,152,96,
>172,27,19,30, 22, 87,236,40, 172,27,19,30;
>
>
># ussa60 1-2
>        host orion_14 {
>                hardware ethernet 00:22:15:15:ae:5a ;
>                fixed-address 172.27.19.2 ; }
>}
>
>Any ideas how to fix this problem?
>
>_______________________________________________
>dhcp-users mailing list
>dhcp-users at lists.isc.org
>https://lists.isc.org/mailman/listinfo/dhcp-users