Cisco UCS Networking Best Practices by Brad Hedlund

Cisco UCS Networking Best Practices by Brad Hedlund

This presentation assumes familiarity with basic networking and server VNIC concepts in UCS, and familiarity with virtual port channels.

This version of the presentation (v2.5) focuses primarily on the Ethernet uplinks. SAN uplinks and VMware networking scenarios are briefly discussed but not covered extensively. Those topics and others such as QoS, the Cisco VIC, and vNIC fabric failover may be included in future versions of this presentation.

Part 1 – Cisco UCS Networking Overview

Continue reading Cisco UCS Networking Best Practices by Brad Hedlund

How to troubleshoot CallerID issues on a FXO

How to troubleshoot CallerID issues on a FXO

The Digium® X100M FXO module and X400M FXO module are daughter cards that allow Digium® analog cards to terminate analog telephone lines (POTS).

This document is intended to be a brief description of toublehsooting steps that Digium’s customers can take to resolve Caller ID issues on their Asterisk Server.

Requirements

At least one analog line.
A regular analog phone with Caller ID display feature
Fully configured Asterisk server with the latest version of DAHDI and Asterisk

Troubleshooting Steps

A Caller ID issue could be caused by several factors. This section explores the possibility that the issue could be located at the telco or by noise on the lines.
Connect an analog phone to the demarcation point. In telephony, the demarcation point is the point at which the telephone company network ends and connects with the wiring at the customer premises.
Place a call — using another line or mobile phone — from the PSTN to the analog phone connected at the demarcation point and check if the phone displays Caller ID. If the Caller ID information is not being shown by the phone, please contact your telco and ask them how to enable this feature.
Otherwise, please disconnect the phone and plug it to the line that is directly connected or closest to your Asterisk server and repeat the test call.
Continue reading How to troubleshoot CallerID issues on a FXO

How to change VCenter Server 5.5 Appliance IP address CLI

How to change VCenter Server 5.5 Appliance IP address CLI

  • Open a console session of the VCSA 
  • Login as: root
  • Default password is: vmware

Execute the following command 

/opt/vmware/share/vami/vami_config_net

Now you will get the option to change the network setting.

vcenter

Now you can access your server with url  https://server_ip_address:5480

Continue reading How to change VCenter Server 5.5 Appliance IP address CLI

Elastix OpenVPN Configuration

Elastix  OpenVPN Configuration

I have taken a scenario of Elastix PBX install on two geographical location  connecting over OpenVpn

and working as a VPN server and client. As we want to use OPENVPN for data and voice connectivity for both offices.

openvpnelastix

All our Internet traffic should go out through DSL Routers and only Voice and data traffic  192.168.1.x  and 192.168.200.x  should go over VPN Tunnel for KU to IN and IN to KU offices.   Continue reading Elastix OpenVPN Configuration

Cisco UCS KVM The Virtual Media program will close

Cisco UCS KVM The Virtual Media program will close

I was trying to mount ISO image on Cisco UCS KVM ,when I clicked on Virtual Media tab I got the following Error .ucskvm

I googled it and got solution remove all the java version and install 32 bit java .I tried lower version of java . Java version  7 update 25  (jre-7u25-windows-i586)  worked for me . I was able to map the iso images .I was using UCS version 2.1 (3a).

VOS3000 Switch Firewall rules

VOS3000 Switch  Firewall rules

If you are running you VOS3000 server behind the firewall then you need to allow the following ports on your firewall.

tcp port:
vos-client: 1202
web: 8080
H323: 1719 1720 3719 3720
H245: 10000-39999

UDP port:
SIP:5060, 5070(RC4) and addition you added
RTP: 10000-39999