MCS Server conflict on two IP Address

[giodias01]

Hi,

We have  two IP address got when we tried to trace it in our core switch using the MAC Address of the MCS Server. But when we run this command in UCCX CLI only 1 IP Address I got. kindly see below config.

admin:show network eth0
Ethernet 0
DHCP         : disabled           Status     : up
IP Address   : 156.5.231.254      IP Mask    : 255.255.255.128
Link Detected: yes                Mode       : Auto enabled, Full, 1000 Mbits/s
Duplicate IP : no

DNS
Not configured.
Gateway      : 156.5.231.129 on Ethernet 0

On the Core switch i noticed  these, please see below:

un-sea-phlmnl-csw001#sh arp | in 156.5.231.161

Internet  156.5.231.161         130   e41f.13f1.efa4  ARPA   Vlan10

156.5.231.161 is associated with the UCCX mac address.

un-sea-phlmnl-csw001#sh mac address-table | include e41f.13f1.efa4

      10 e41f.13f1.efa4  dynamic  Yes       65     Gi1/5/10

un-sea-phlmnl-csw001#sh cdp nei gig 1/5/10 det

-------------------------

Device ID: ULPUCCX

Entry address(es):

  IP address: 156.5.231.254

Platform: 7825I4,  Capabilities: Host

Interface: GigabitEthernet1/5/10,  Port ID (outgoing port): eth0

Holdtime : 123 sec

Version :

Linux 2.6.9-89.0.20.ELsmp #1 SMP Mon Jan 18 12:22:21 EST 2010 CCM:8.5.1.11004-25

advertisement version: 2

Duplex: full

My question is, why is it two IP Address assigned on that same MAC Address of MCS Server where UCCX Application installed ? though we only assigned only 1 IP address on that MCS Server.

Upon checking also physically on Ethernet port  back of the MCS Server, I saw two RJ45 terminated and I dont know what is the use of the other connection. Can you help me regarding on this.

Kindly see attached config of our core switch. Is it possible to have two IP address on one port?

Thank you

[Aman Soi]

Hi ,

the second ethernet port on MCS is normally used for ethernet failover when eth0 / LAN cable or switch port to which it is connnected has gone faulty.the same is done by "set network failover" from CLI and can be check in show netwrok eth0 details in last which shows "Bond"

also,there is not command to configure IP in second ethernet port of MCS.

regds,

aman

[giodias01]

Hi,

Can you tell why we found two IP Address with this the same Mac Address of MCS Server?

Or can we just erase this one IP?

[Aman Soi]

can u share output of show network eth0 details and show network failover ?

regds,

aman

[giodias01]

Hi,

Kindly see below. there is no failover because it is only 1 UCCX App.

admin:show network eth0 details
Ethernet 0
DHCP         : disabled           Status     : up
IP Address   : 156.5.231.254      IP Mask    : 255.255.255.128
Link Detected: yes                Mode       : Auto enabled, Full, 1000 Mbits/s
Duplicate IP : no
Queue Length : 1000               MTU        : 1500
MAC Address  : e4:1f:13:f1:ef:a2
RX stats:
  bytes   :    365809405   packets :      2139217   errors :            0
  dropped :            0   overrun :            0   mcast  :       240487
TX stats:
  bytes   :    345959430   packets :      1065614   errors :            0
  dropped :            0   carrier :            0   colsns :            0

DNS
Not configured.
Gateway      : 156.5.231.129 on Ethernet 0

admin:show ne
admin:show network failover
Invalid Command
admin:

[Aman Soi]

I was referring to Network Fault Tolerence while u are referring  to UCCX application redundancy.

you can physically check for LAN cables connected to MCS and also look for port as suggested by Suresh.

regds,

aman

[giodias01]

Hi Aman,

Already checked the LAN cables connected on the MCS Server. And checked the port. As per checking, they have two LAN cables connected on the MCS server. One for the other core switch and the other one is for redundancy connected on the second core switch. Both LAN cables terminated on G1/10/15.

[Aman Soi]

I did not understand why the second LAN cable is terminated when NFT[Network Fault Tolerance ] is not enabled.

You can try removing the LAN Cable from Second LAN  Port  of MCS and check.

regds,

aman

[giodias01]

Hi All,

Issue was already resolved. IP address was from BMC settings of MCS server.

Thank you all

[Aman Soi]

thanks for update.

what exactly is BMC settings ? How do u access it?

regds,

aman

[Suresh Hudda]

2nd RJ45 might be connected on ILO port for server management/troubleshooting and it requires IP address as well.

Suresh

[giodias01]

why is it when we tried to input this command only 1 IP Address found. Please see below

un-sea-phlmnl-csw001#show cdp neighbors gigabitEthernet 1/5/10 detail
-------------------------
Device ID: ULPUCCX
Entry address(es):
  IP address: 156.5.231.254
Platform: 7825I4,  Capabilities: Host
Interface: GigabitEthernet1/5/10,  Port ID (outgoing port): eth0
Holdtime : 153 sec

Version :
Linux 2.6.9-89.0.20.ELsmp #1 SMP Mon Jan 18 12:22:21 EST 2010 CCM:8.5.1.11004-25

advertisement version: 2
Duplex: full


Total cdp entries displayed : 1