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Today's Topics:
1. Pool selection based on Giaddr (Nisha Chandy)
2. RE: Pool selection based on Giaddr (Nisha Chandy)
----------------------------------------------------------------------
Message: 1
Date: Thu, 9 Jun 2016 14:02:28 +0000
From: Nisha Chandy <ncha...@hctc.coop>
To: "dhcp-users@lists.isc.org" <dhcp-users@lists.isc.org>
Subject: Pool selection based on Giaddr
Message-ID:
<73bd31582de010469ddb47a00a91450fe21...@exch-mbx1.hctc.coop>
Content-Type: text/plain; charset="us-ascii"
I am trying to identify how I can match on giaddr the ISC DHCP server and then
determine which ip subnet the ISC DHCP server will hand out.
client----->layer2-[switch]----->[vrf interent]router[vrf
default]-------[isc]dhcp server
Here is how I have my config. I keep getting no free leases. My giaddr that the
request will come in is 10.80.2.44. Appreciate any help
option space myagent;
option agent.subscriber-id code 6 = text;
option agent.link-selection code 5 = ip-address;
shared-network "E451"
{
subnet 10.80.2.44 netmask 255.255.255.252 {
pool
{
deny members of "Vlan451";
range 10.80.2.45;
deny dynamic bootp clients;
}
}
subnet X.170.132.0 netmask 255.255.255.0
#Vlan451
{
option domain-name-servers
dns1, dns2;
pool
{
allow members of "Vlan451";
range X.170.132.2
192.170.132.253;
option subnet-mask
255.255.255.0;
option routers
1X.170.132.1;
deny dynamic bootp clients;
}
}
}
Jun 9 08:59:32 dhcpsvr1 dhcpd: DHCPDISCOVER from 00:06:31:b4:62:a8 via
10.80.2.44: network E451: no free leases
Any help is really appreciated
Thanks & Regards,
Nisha Chandy
________________________________
CONFIDENTIALITY NOTICE: This email and any attachments are confidential and
intended to be reviewed only by the individual or organization named above.
Unauthorized review, use, disclosure, or distribution of this email by any
other person is prohibited. If you have received this message in error, please
delete it from your system immediately and notify our office at once by
telephone at 830-367-5333 or 1-800-292-5457. Thank you for your cooperation.
USDA is an equal opportunity provider, employer and lender. To file a complaint
of discrimination, write USDA, Director, Office of Civil Rights, 1400
Independence Avenue, S.W., Washington, DC 20250-9410, or call 800-795-3272
(voice) or 202-720-6382 (TDD).
Hill Country Telephone Cooperative, Inc. borrows money from the Rural Utilities
Service and is an equal opportunity provider and employer. Please contact us at
830-367-5333 or 800-292-5457 for any questions.
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Message: 2
Date: Thu, 9 Jun 2016 14:48:01 +0000
From: Nisha Chandy <ncha...@hctc.coop>
To: "dhcp-users@lists.isc.org" <dhcp-users@lists.isc.org>
Subject: RE: Pool selection based on Giaddr
Message-ID:
<73bd31582de010469ddb47a00a91450fe21...@exch-mbx1.hctc.coop>
Content-Type: text/plain; charset="us-ascii"
I was able to get this working.
By
class "Vlan451"
{
match if (binary-to-ascii(10,8, ".", packet(24,4))
="10.80.2.44");
}
Thanks & Regards,
Nisha Chandy
IP Network Engineer
From: Nisha Chandy
Sent: Thursday, June 09, 2016 9:02 AM
To: 'dhcp-users@lists.isc.org' <dhcp-users@lists.isc.org>
Subject: Pool selection based on Giaddr
I am trying to identify how I can match on giaddr the ISC DHCP server and then
determine which ip subnet the ISC DHCP server will hand out.
client----->layer2-[switch]----->[vrf interent]router[vrf
default]-------[isc]dhcp server
Here is how I have my config. I keep getting no free leases. My giaddr that the
request will come in is 10.80.2.44. Appreciate any help
option space myagent;
option agent.subscriber-id code 6 = text;
option agent.link-selection code 5 = ip-address;
shared-network "E451"
{
subnet 10.80.2.44 netmask 255.255.255.252 {
pool
{
deny members of "Vlan451";
range 10.80.2.45;
deny dynamic bootp clients;
}
}
subnet X.170.132.0 netmask 255.255.255.0
#Vlan451
{
option domain-name-servers
dns1, dns2;
pool
{
allow members of "Vlan451";
range X.170.132.2
192.170.132.253;
option subnet-mask
255.255.255.0;
option routers
1X.170.132.1;
deny dynamic bootp clients;
}
}
}
Jun 9 08:59:32 dhcpsvr1 dhcpd: DHCPDISCOVER from 00:06:31:b4:62:a8 via
10.80.2.44: network E451: no free leases
Thanks & Regards,
Nisha Chandy
________________________________
CONFIDENTIALITY NOTICE: This email and any attachments are confidential and
intended to be reviewed only by the individual or organization named above.
Unauthorized review, use, disclosure, or distribution of this email by any
other person is prohibited. If you have received this message in error, please
delete it from your system immediately and notify our office at once by
telephone at 830-367-5333 or 1-800-292-5457. Thank you for your cooperation.
USDA is an equal opportunity provider, employer and lender. To file a complaint
of discrimination, write USDA, Director, Office of Civil Rights, 1400
Independence Avenue, S.W., Washington, DC 20250-9410, or call 800-795-3272
(voice) or 202-720-6382 (TDD).
Hill Country Telephone Cooperative, Inc. borrows money from the Rural Utilities
Service and is an equal opportunity provider and employer. Please contact us at
830-367-5333 or 800-292-5457 for any questions.
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