4.2 related configuration of access switches# # In this example, we are connecting to an access switch where the GI0/1 port is allied to the core switch. It also means that we need to configure GI0/1 as trunk port. The specific configuration is as follows:D-2960-3 (config) #int GI0/1D-2960-3 (config-if) #swD-2960-3 (config-if) #switchport moD-2960-3 (config-if) #switchport mode?Access Set trunking mode to ACCESS unconditionallyDynamic Set
other switches to host multiple VLANs on the line Dynamic Positive mode, active peer-to-peer negotiation, that is, the usual trunk mode takes precedence. Use trunk mode when you can negotiate the trunk mode with the peer, not the access mode.#全局模式下进入fa/01 ModeSwitch (config) #interface fastethernet 0/1#查看交换机支持哪些端口工作模式Switch (config-if) #switchport mode?Access Set trunking mode to ACCESS unconditionallyDynamic Set
up to 5 spans at a time.
Attention
1. Span dialogs can only monitor packets within this switch.
2. The SC0 interface of the switch cannot be configured as a span source port.
3. The EtherChannel port cannot be used as a span destination port.
4. In the span dialog configuration, if the destination port has a trunking mode of "on" or "nonegotiate", the span package will be forwarded in the encapsulated format of the original
In fact, many people hope that the 2007 3G licences will be able to distribute digital trunking licences to some of the emerging operators, such as railcom, so that even if the 2008 Olympic Games cannot replace the digital trunking system in time, So can also make the domestic digital trunking communication standards can have more powerful support and European an
sort of line UTP cable to use.
C. Support for VLAN functions: the Gigabit Ethernet switch supports Port-based and VLAN-based labeled 802.1Q tags, allowing you to comprehensively improve network performance.
D. Support for port aggregation Trunking) function: You can use the Trunking function to bind several ports and provide a larger bandwidth aggregation channel between the switch and the switch, and betw
the latest technologies, such as FECFast Ethernet Channel), ALBAdvanced Load Balancing) and Port Trunking technology, allow each redundant connection link to achieve Load Balancing. The FEC and ALB technologies are used to connect a vswitch to a Server Switch), while the Port Trunking technology is used to connect a vswitch to a Switch ). Through the redundant Port Tru
use.
C. Support for VLAN functions: the Gigabit Ethernet switch supports Port-based and VLAN-based labeled 802.1Q tags, allowing you to comprehensively improve network performance.
D. Support for port aggregation Trunking) function: You can use the Trunking function to bind several ports and provide a larger bandwidth aggregation channel between the switch and the switch, and between the switch and the ser
Cisco mds9222i Fibre Switch most commonly used debug commands1. Check the switch portShow interface [Interface-range]View specified port run status, WWN information, configuration parameters, and packet statistics.Demonstration:mds9222i-1# Show Interface FC1/1FC1/1 is trunking-port FC1/1 operating normally, is a TE portHardware is Fibre Channel, SFP was short wave laser w/o OFC (SN)-Port, SFP hardware informationPort WWN is 20:01:00:05:73:ad:2a:00-swi
convert UDP to TCP.The key to the Trun scenario is trunking (relay). This protocol relies on the trunking on the public network to ensure the visibility and availability of private web hosts ( figure 3-6). Figure 3-6 Turn Relay Server
Both ends send an address assignment request to the same turn server, followed by permission negotiation.
Once the negotiation is complete, both ends communicate
Introduction to Cisco Port Channel)Port trunking is used to bind multiple low-bandwidth ports of a vswitch to a high-bandwidth link to achieve load balancing. Avoid link congestion. Through configuration, You can bind two or four ports to forward data on specific ports to prevent packet loss when the forwarding rate of a single link is too low. Advantages of Trunking: The price is low, and the performance i
other is C 2948G-L3. The price of 2948 Gbit/s is good. It uses the same software as the Catalyst 5000/5500, with 48 10/100 Mbps adaptive Ethernet ports and 2 Gigabit Ethernet ports, 24 Gbit/s back-board bandwidth, redundant power supply with hot swapping, with a series of fault tolerance features and network management features. C 2948G-L3 is added with layer-3 switching capability based on C 2948G, and the maximum layer-3 packet throughput can reach 10 Mpps. However, in general, the 2900 serie
and the PHS standard to form the access network, because of their large capacity, the DECT can be compatible with the cellular system, But the PHS has the characteristic such as intelligence function. Also, "They can use a wireless band together in one location." However, with the development of wireless access network, the use of GSM and CDMA standards is more and more. And the relative proportion of wireless access network using radiotelephone Technology (Special DECT standard) is reduced.7,
able to boot your guest VM, and use Wireshark or whatever in the guest. Just remember! Your VM Guest ' s network Adapter must is set to bridged (connected directly to the physical network), not NAT (used to Shar E The host ' s IP address).
2.5 about VLANs in VMwareThere are three different ways to VLAN in VMware, see VMware ESX Server 3 802.1Q Solution: http://wenku.baidu.com/view/90b76687ec3a87c24028c4b9.html1, VGT in the virtual machine is labeled, the Port Group vlan_id property set to 4095
intermediate devices (or intermediate systems), the term ISO is called a trunking (relay) system. Depending on the hierarchy of the trunking system, there are five types of relay systems available:
1. The physical layer (that is, the first layer, layer L1) relay system, namely the transponder (repeater).2. Data Link layer (second layer, layer L2), which is bridge or bridge.3. Network layer (third layer, la
one channel fails, the Ethernet channel usually provides redundancy. This process is used
PortThe aggregation protocol (PAgP) takes about 15 seconds.
Trunk configuration test wired and wireless networks
Next,
VswitchStart testing this
PortTrunk or not
Port(
VswitchInterconnected
Port). TRUNKING
Vswitch
PortTo exchange data between multiple VLANs. For Trunk
PortOf course, you can disable it and save 1 or 2 seconds.
Vswitch
PortAdaptive speed and f
simultaneously.Note:1. The SPAN dialog can only monitor data packets in the vswitch.2. The sc0 interface of the vswitch cannot be configured as the SPAN source port.3. The EtherChannel port cannot be a SPAN destination port.4. when configuring a SPAN dialog, if the Trunking mode of the target port is "On" or "Nonegotiate", the SPAN packet will be forwarded in the Encapsulation Format configured by the original Tr
-3 of the ISO Reference Model. As a switch, it has the same attributes as the second layer, and combines the advantages of the second layer switch and the third layer router into a flexible solution, it can provide line rate performance at all levels, so it has certain routing performance. This integration structure also introduces policy management attributes, which not only associate Layer 2 with Layer 3, it also provides prioritized communication traffic processing, security, and a variety of
provide line rate performance at all levels, so it has certain routing performance. This integration structure also introduces policy management attributes, which not only associate Layer 2 with Layer 3, it also provides prioritized communication traffic processing, security, and a variety of other flexible functions, such as dynamic deployment of trunking, VPN and Intranet. Figure 2 lists the components of the layer-3 switch.
The interface layer inc
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