web analytics
  • RSS

  • Polls

    What Cisco Cert Are You Currently Studying?

    View Results

    Loading ... Loading ...
  • Search on CiscoBibles

  • Popular Posts

  • Recent Comments

  • Archives

  • Archive for April, 2009

    CCIE R&S Core Knowledge Question(5)

    Wednesday, April 22nd, 2009

    1. What is the maximum size of an IP packet in bytes? Highlight for answer: 65535 bytes 2. What is the multicast address that an OSPF designated router will used to send updates? Highlight for answer: 224.0.0.5 3. What is the default OSPF reference bandwidth?

    Basic IP Phone Configuration on Cisco Call Manager Express

    Tuesday, April 21st, 2009

    Before showing you how to configure a basic IP phone on Cisco CallManager Express (CCME), you need first to understand the concepts of ephone and ephone-dn. In CCME, “ephone” (short for Ethernet Phone) refers to the physical IP phone device, and is configured with the Ethernet MAC address of the IP phone. The MAC address […]

    SIP Trunking With Call Manager Express

    Tuesday, April 21st, 2009

    For many years now, telephony voice services for businesses and enterprises have been provided by using legacy PBX systems connected to the Public Switched Telephone Network (PSTN) using TDM connections (T1/E1 ISDN PRI lines or BRI or analog lines). This is shown on the figure below:

    Call Manager Express CME Deployment Scenarios

    Tuesday, April 21st, 2009

    The Cisco Unified CallManager Express (CME) solution not only has the benefit of voice-data integration on a single platform, but offers also flexible deployment options. The Cisco CME on its basic form consists of a router on which the callmanager software is installed, plus several telephony devices. The CME router acts as a gateway between […]

    How To Install Cisco Call Manager Express CME Software

    Tuesday, April 21st, 2009

    The Cisco Call Manager Express (CME) software (its new name is Cisco Unified Communications Manager Express)  provides IP Telephony services that run on Cisco Integrated Services routers (such as 1800, 2800, 3800 family series). I will start a series of posts in this blog about IP Telephony, starting today with the installation of CME on […]

    Routing Tables

    Tuesday, April 21st, 2009

    A routing table is a database repository that holds the router’s routing information that represents each possible logical destination network that is known to the router. The entries for major networks are listed in ascending order and, most commonly, within each major network the subnetworks are listed in descending order. If the routing table entry […]

    How to configure VTP?

    Tuesday, April 21st, 2009

    Before VLANs can be configured, VTP must be configured. By default, every switch will operate in VTP server mode for the management domain NULL, with no password or secure mode. The following sections discuss the commands and considerations that should be used to configure a switch for VTP operation. Configuring a VTP Management Domain Before […]

    VLAN Trunking Protocol (VTP)

    Tuesday, April 21st, 2009

    Administration of network environments that consists of many interconnected switches is complicated. Cisco has developed a propriety solution to manage VLANs across such networks using the VLAN Trunking Protocol (VTP) to exchange VLAN configuration information between switches. VTP uses Layer 2 trunk frames to exchange VLAN information so that the VLAN configuration stays consistent throughout […]

    Virtual LANs(VLAN)

    Tuesday, April 21st, 2009

    VLAN Membership When a VLAN is provided at an access layer switch, an end user must be able to gain membership to it. Two membership methods exist on Cisco Catalyst switches: static VLANs and dynamic VLANs. . Static VLANs offer port-based membership, where switch ports are assigned to specific VLANs. End user devices become members […]