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CUCM NIC Duplex and Speed Discrepency

bijoyjackjesse
Beginner
Beginner

Failover is configured in the server, I'm not sure if the the Duplex was configured on the server. But when i gave the "show network eth0 detail" command, it displayed as Duplex: Auto Enabled. Now when i gave the " Show network failover" it displayed Duplex: Auto Disabled, for Bond 0.

1) I've got the other servers configured with Failover, but all of them have the "show network eth0" cmd to be displayed, but this server both of the commands enabled.

2) Now my confusion is, that if the Duplex is in Auto Enabled mode or Auto Disabled mode.

Below is the show network eth0 and show network failover.

admin:show network eth0 detail

Ethernet 0

DHCP         : disabled           Status     : up

IP Address   : x.x.x.x     IP Mask   : 255.255.255.000

Link Detected: yes               Mode       : Auto enabled, Full, 1000 Mbits/s

Duplicate IP : no

Queue Length : 1000               MTU       : 1500

MAC Address :

RX stats:

bytes   :   3807009507   packets :   624816480   errors :           0

dropped :           0   overrun :           0   mcast :       357719

TX stats:

bytes   :   120001282   packets :   629729378   errors :           0

dropped :           0   carrier :            0   colsns :           0

DNS

Not configured.

Gateway     : x.x.x.x on Ethernet bond0

===================================

admin:show network failover

Bond 0

DHCP         : disabled           Status     : up

IP Address   : x.x.x.x     IP Mask   : 255.255.255.000

Link Detected: no                 Mode       : Auto disabled, N/A, N/A

Ethernet 0

DHCP         : disabled           Status     : up

IP Address   : x.x.x.x     IP Mask   : 255.255.255.000

Link Detected: yes               Mode       : Auto enabled, Full, 1000MB/s

Ethernet 1

DHCP         : disabled           Status     : up

IP Address   : x.x.x.x     IP Mask   : 255.255.255.000

Link Detected: yes               Mode       : Auto enabled, Full, 1000MB/s

DNS

Primary     :                   Secondary :

Options     : timeout:5 attempts:2

Domain       :

Gateway     : x.x.x.x on Ethernet bond0

This makes me wonder if the Failover config is also correct as well...

Guys Please let me know your comments.

Thank you in advance.

Bijoy Jesse

3 Replies 3

Aman Soi
Advisor
Advisor

Hi Bijoy,

Earlier I also did not notice but it works fine with this config .

In failover state , it gives the status of Bond 0 as NO which corresponds to both ports eth0 and eth1 whether they are physically connected or not , UP or DOwn  does not matter while show network eth0 detail gives the output of physical NIC port 0 /eth0 which is available on motherboard and is terminated to switch and is also UP.

show network eth1 detail does not work .

regds,

aman

Thank you for the reply Aman.

What i would like to know from the above coniguration is if DUPLEX is in Auto enabled state or Auto disabled, if yes/no why is it that both the commands show different enabled/disabled for duplex..

THank you.

Bijoy Jesse

Hi Bijoy,

That is for sure , both NIC ports are in auto Enabled and supporting 1000Mbps.

May be when the bonding occurs , logically/virtually  it shows Link Detetcted as NO and Auto Disabled in failover .

While in show network eth0 details , it shows Auto Enabled, link detected as YES, since it corresponds to that particular NIC /eth0.

was the command show network eth1 detail  supported , it would have also as Link Detected  YES and Auto enabled.

this is what I think.

regds,

aman

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