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Nexus 5010 AAA Radius Authentication Issue

Posted on 2010-11-12
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Last Modified: 2012-05-10
I am able to ping the radius server 172.20.xx.10 from the vrf managment interface which is on a different subnet.  However when I try to autheticate I simply get AAA servers unreachable. Please look at code and advise. I have a 2008 r2 server with NPS running for the Radius and all my other switches are working fine off of it. Been scratching my head on this one. Thanks. --Rob.

 
STP-C5010-01# sh run

version 4.1(3)N2(1)

no feature telnet

no telnet server enable

feature interface-vlan



role name default-role

  description This is a system defined role and applies to all users.

  rule 5 permit show feature environment

  rule 4 permit show feature hardware

  rule 3 permit show feature module

  rule 2 permit show feature snmp

  rule 1 permit show feature system

username admin password 5 $1$7e6okdrX$HKYXI6FbU5RyLZRpgpUr.0  role network-admi

ssh key rsa 2048

ip host STP-C5010-01 172.20.68.1

radius-server host 172.20.xx.10 key 7 "xxx" authentication account

ng

aaa group server radius useRadius

    server 172.20.xx.10

    use-vrf management

switchname STP-C5010-01

snmp-server user admin network-admin auth md5 0x0372c0bb76f8b6b8ab016ee85049e11

 priv 0x0372c0bb76f8b6b8ab016ee85049e11b localizedkey

snmp-server host 172.20.xx.238 traps version 1 xxx ntp server 132.148.x.253 use-vrf management

aaa authentication login default group useRadius

aaa authentication login error-enable

radius-server directed-request



vrf context management

  ip route 0.0.0.0/0 172.20.68.250

vlan 1,68



interface Vlan1



interface Vlan68

  no shutdown

  ip address 172.20.xx.10/24



interface Ethernet1/1

  speed 1000



interface Ethernet1/2



interface Ethernet1/3



interface Ethernet1/4



interface Ethernet1/5



interface Ethernet1/6



interface Ethernet1/7



interface Ethernet1/8

  switchport access vlan 68

  speed 1000



interface Ethernet1/9



interface Ethernet1/10



interface Ethernet1/11



interface Ethernet1/12



interface Ethernet1/13



interface Ethernet1/14



interface Ethernet1/15



interface Ethernet1/16



interface Ethernet1/17



interface Ethernet1/18



interface Ethernet1/19



interface Ethernet1/20



interface mgmt0

  vrf member management

  ip address 172.20.xx.1/24

clock timezone CST -6 0

line console

boot kickstart bootflash:/n5000-uk9-kickstart.4.1.3.N2.1.bin

boot system bootflash:/n5000-uk9.4.1.3.N2.1.bin

ip route 0.0.0.0/0 172.20.xx.250

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Question by:rclaxton1
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Accepted Solution

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rclaxton1 earned 0 total points
ID: 34125714
I again answered my own question. After looking at the logs in the NPS server I'm getting authentication errors and the nexus device is communicating w/ config above, However the error message "unable to communicate with AAA servers on the Nexus is just...false. Maybe this is fixed in a later code version in Nexus but put me in a four hour problem-solving detour. Please close this question. --Rob.
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