Updating ,
I update the switch configuration refering to the guide in Documentation
guide at the website
switch configuraiton
interface FastEthernet0/15
switchport mode access
switchport port-security maximum 1 vlan access
switchport port-security
switchport port-security violation restrict
switchport port-security mac-address 0200.0001.0015
snmp trap mac-notification added
snmp-server enable traps port-security
snmp-server enable traps port-security trap-rate 1
snmp-server host 172.20.0.190 version 2c 1np@net_ro port-security
tcpdump -i eth0 host 172.20.0.11
12:01:37.006396 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65838428 [|snmp]
12:01:38.013022 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65838529 [|snmp]
12:01:39.019618 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65838629 [|snmp]
12:01:40.999211 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65838827 [|snmp]
12:01:42.005930 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65838928 [|snmp]
12:01:43.012548 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65839029 [|snmp]
12:01:44.019088 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65839129 [|snmp]
12:01:45.998813 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65839327 [|snmp]
12:01:47.005536 IP 172.20.0.11.52527 > 172.20.0.190.snmptrap:
C=1np@net_roV2Trap(139) system.sysUpTime.0=65839428 [|snmp]
At this point i have the mac-address registed in packetfence the interface
is connected but no conectivity . no ip address
I dont know if im missing configuration in PacketFence idk if i have to set
a violation rule to block the unknow mac-addresses
Thanks ,
On Tue, Jul 12, 2011 at 2:40 PM, Paulo Maia <[email protected]> wrote:
> Hello Everyone on the list ,
> This is my first post , So im trying to authenticate (allow) only the
> mac-addresses i have registered in packetfence database i added then in
> NODES
> Im dont use dynamic vlan assigment so its static vlans , basicly i work
> with class b adresses so i have 172.16 to 172.31 vlans and no guest vlan .
> So i added a swich for testing in CONFIGURATION -> SWITCH , i have
> configured the snmp comunity read key , and SNMP Trap Community key as well
> . IP address 172.20.0.11
>
> cisco 2960
> ....
> .....
> .....
> #snmp-server enables traps
> #snmp-server host 172.20.0.190 1np@net_ro
>
> 172.20.0.190 is my PacketFence address .
>
> This is the output of tcpdump -i eth0 host 172.20.0.11 (switch)
> 10:34:10.510621 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(263) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65313768[|snmp]
> 10:34:20.161398 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(74) 17 172.20.0.11 enterpriseSpecific s=2 65314735 [|snmp]
> 10:34:21.163528 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(122) E:cisco.1.694 172.20.0.11 linkDown 65314835 [|snmp]
> 10:34:22.157971 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(201) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65314935
> [|snmp]
> 10:34:29.455876 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(199) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65315664
> [|snmp]
> 10:34:30.462501 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(122) E:cisco.1.694 172.20.0.11 linkUp 65315765 [|snmp]
> 10:34:57.473365 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(74) 17 172.20.0.11 enterpriseSpecific s=2 65318466 [|snmp]
> 10:35:10.534309 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(263) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65319772[|snmp]
> 10:36:10.562140 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(263) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65325775[|snmp]
> 10:37:10.598366 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(263) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65331779[|snmp]
> 10:37:25.802362 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(51) E:cisco.1.694 172.20.0.11
> *authenticationFailure* 65333299 [|snmp]
> 10:37:26.808989 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(51) E:cisco.1.694 172.20.0.11 authenticationFailure
> 65333400 [|snmp]
> 10:37:27.803041 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(51) E:cisco.1.694 172.20.0.11 authenticationFailure
> 65333499 [|snmp]
> 10:37:28.801649 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(51) E:cisco.1.694 172.20.0.11 authenticationFailure
> 65333599 [|snmp]
> 10:37:29.807865 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(51) E:cisco.1.694 172.20.0.11 authenticationFailure
> 65333700 [|snmp]
> 10:37:30.806099 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(51) E:cisco.1.694 172.20.0.11 authenticationFailure
> 65333800 [|snmp]
> 10:38:10.626237 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(263) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65337782[|snmp]
> 10:38:55.066754 arp who-has 172.20.0.11 tell 172.20.0.99
> 10:39:10.666726 IP 172.20.0.11.51414 > 172.20.0.190.snmptrap:
> C=1np@net_roTrap(263) E:cisco.9.41.2 172.20.0.11 enterpriseSpecific s=1
> 65343785[|snmp]
>
>
> This set of packets are coming when a plug the network cable , altough this
> machine does not have the mac-address in packetfence database and still this
> computer is allowed into the network .
>
> I have search a lot in mailarchives and foruns , but i could not find
> anything .
>
> So i came to you guys . Can anyone help me ? Where im going wrong ?
>
> Thanks for your help .
> Paulo
>
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