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Actually, the issue was that I had &quot;vlan dot1q tag native&quot; in the global config. &nbsp;Once I removed that, I was able to communicate with all the ports.<br />
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Thanks to those who responded.
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Actually, the issue was that I had "vlan dot1q tag native" in the global config.  Once I removed that, I was able to communicate with all the ports.

Thanks to those who responded.

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This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.

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I am currently trying to configure a Cisco 3560G running IOS &nbsp;for use as an access switch with Morph's KVM cloud offering. &nbsp;The documentation states I should allow vlan tagging for segregation of client traffic, but keep one vlan untagged for host traffic. &nbsp;I setup our switchports as follows:<br />
<br />
int rang g0/17-32<br />
switchport trunk encap dot1q<br />
switchport trunk native vlan 3000<br />
switchport trunk allow vlan 3000-3400<br />
switchport mode trun<br />
<br />
The OS on the host is CentOS running with /lib/modules/2.6.18-194.el<wbr />5/kernel/n<wbr />et/bridge/<wbr />netfilter/<wbr />ebt_vlan.k<wbr />o loaded. &nbsp;The vlan interfaces are unconfigured as of now.<br />
<br />
Shouldn't I be able to ping the untagged ports? &nbsp;When I do a &quot;sh mac-add&quot; on the switch, those ports show no mac addresses. &nbsp;What am I doing wrong/what is the magic trick?
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I am currently trying to configure a Cisco 3560G running IOS  for use as an access switch with Morph's KVM cloud offering.  The documentation states I should allow vlan tagging for segregation of client traffic, but keep one vlan untagged for host traffic.  I setup our switchports as follows:

int rang g0/17-32
switchport trunk encap dot1q
switchport trunk native vlan 3000
switchport trunk allow vlan 3000-3400
switchport mode trun

The OS on the host is CentOS running with /lib/modules/2.6.18-194.el5/kernel/net/bridge/netfilter/ebt_vlan.ko loaded.  The vlan interfaces are unconfigured as of now.

Shouldn't I be able to ping the untagged ports?  When I do a "sh mac-add" on the switch, those ports show no mac addresses.  What am I doing wrong/what is the magic trick?

switchport config for Eucalyptus cloud

Cloud computing, also known as on-demand computing, is a kind of Internet-based computing where shared resources and information are provided to computers and other devices. It is a model for enabling ubiquitous, on-demand access to a shared pool of configurable computing resources. Cloud computing and storage solutions provide users and enterprises with various capabilities to store and process their data in third-party data centers, relying on sharing of resources to achieve coherence and economies of scale.

Cloud Computing

Network design and methodology, also known as network architecture, is the design of a communication network. It is a framework for the specification of a network's physical components and their functional organization and configuration, its operational principles and procedures, as well as data formats used in its operation. In telecommunication, the specification of a network architecture may also include a detailed description of products and services delivered via a communications network, as well as detailed rate and billing structures under which services are compensated.

Network Architecture

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.