Boa Tarde, Galera
Estou atualmente utilizando o pfSense 2.2.5, o serviço DHCP Server esta ativo
apenas na minha interface LAN, também ativei as opções: Deny unknown clients e
Enable Static ARP entries.
Cadastrei o mac do host para poder receber o IP 172.16.120.146.
O problema que estou tendo é o seguinte, o host realiza um DHCP Discover na
porta 67 e fica aguardando o retorno do DHCP Server.
Monitorei o host pelo mac:
tcpdump -n -i em3 ether host 14:dd:a9:82:a4:76
10:56:52.652071 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
10:56:54.008822 IP 169.254.9.148.5353 > 224.0.0.251.5353: 0 [3a] [2q] PTR (QM)?
_ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (197)
10:56:58.529963 IP 0.0.0.0 > 224.0.0.22: igmp v3 report, 1 group record(s)
10:56:58.646400 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
10:56:58.682004 IP 0.0.0.0 > 224.0.0.22: igmp v3 report, 1 group record(s)
10:57:02.451183 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
10:57:05.042384 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
Também monitorei o host pela porta 67 e 68:
tcpdump -n -i em3 port 67 and por 68
11:00:35.340064 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
11:00:38.111291 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
ac:87:a3:10:8c:01, length 300
11:00:46.190973 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
ac:87:a3:10:8c:01, length 300
11:00:48.030839 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
11:00:48.736824 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
11:00:49.777252 IP 172.16.120.83.68 > 172.16.120.2.67: BOOTP/DHCP, Request from
48:5b:39:af:65:8c, length 300
11:00:49.777439 IP 172.16.120.2.67 > 172.16.120.83.68: BOOTP/DHCP, Reply,
length 331
11:01:02.564474 IP 172.16.120.124.68 > 255.255.255.255.67: BOOTP/DHCP, Request
from 1c:87:2c:c5:4f:88, length 300
11:01:02.564641 IP 172.16.120.2.67 > 172.16.120.124.68: BOOTP/DHCP, Reply,
length 300
11:01:03.665745 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
11:01:07.056005 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
11:01:15.012007 IP 172.16.124.56.68 > 255.255.255.255.67: BOOTP/DHCP, Request
from 9c:2a:70:89:06:85, length 300
11:01:15.012192 IP 172.16.120.2.67 > 172.16.124.56.68: BOOTP/DHCP, Reply,
length 300
11:01:15.013780 IP 172.16.120.56.68 > 255.255.255.255.67: BOOTP/DHCP, Request
from 90:b1:1c:f6:50:ac, length 300
11:01:15.013874 IP 172.16.120.2.67 > 172.16.120.56.68: BOOTP/DHCP, Reply,
length 300
11:01:17.038770 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
11:01:19.531150 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
34:15:9e:3e:98:c4, length 300
11:01:21.147529 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
34:15:9e:3e:98:c4, length 300
11:01:23.998943 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
34:15:9e:3e:98:c4, length 300
11:01:24.660330 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
14:dd:a9:82:a4:76, length 300
Também analisei o diretório #vi /var/dhcpd/etc/dhcpd.conf para ter certeza qua
a configuração realizada na interface Web realmente foi efetiva:
host s_lan_103 {
hardware ethernet 14:dd:a9:82:a4:76;
fixed-address 172.16.120.146;
option host-name "dls146";
}
Por via de teste também criei uma regra na interface Lan liberando any, mais
não resolveu o problema.
Sabe o que pode estar ocasionando este problema?
Murilo Camargo
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