Cisco Catalyst 2950-24 and 2950-12 Switches
... The IGMP snooping feature allows the switch to “listen in” on the IGMP conversation between hosts and routers. When a switch hears an IGMP join request from a host for a given multicast group, the switch adds the host’s port number to the Group Destination Address (GDA) list for that group. And, whe ...
... The IGMP snooping feature allows the switch to “listen in” on the IGMP conversation between hosts and routers. When a switch hears an IGMP join request from a host for a given multicast group, the switch adds the host’s port number to the Group Destination Address (GDA) list for that group. And, whe ...
Switched LAN Architecture
... Step 2. Set the line speed on the emulation software to 9600 baud. Step 3. Power off the switch. Reconnect the power cord to the switch and within 15 seconds, press the Mode button while the System LED is still flashing green. Continue pressing the Mode button until the System LED turns briefly ambe ...
... Step 2. Set the line speed on the emulation software to 9600 baud. Step 3. Power off the switch. Reconnect the power cord to the switch and within 15 seconds, press the Mode button while the System LED is still flashing green. Continue pressing the Mode button until the System LED turns briefly ambe ...
投影片 1
... • Flow definition – ex. If there is a policy for John’s HTTP traffic and another for Uwe’s HTTP traffic, FV would expand a single rule intended to control all HTTP traffic into 2 rules. • Actions – ex. Rule action is send out all ports. FV will create one rule for each port in the slice. ...
... • Flow definition – ex. If there is a policy for John’s HTTP traffic and another for Uwe’s HTTP traffic, FV would expand a single rule intended to control all HTTP traffic into 2 rules. • Actions – ex. Rule action is send out all ports. FV will create one rule for each port in the slice. ...
HP Networking guide to hardening Comware
... Once created, the ACL must be applied to all interfaces that face non-infrastructure devices. This includes interfaces that connect to other organizations, remote access segments, user segments, and data center segments. ICMP packet filtering Internet Control Message Protocol (ICMP) is designed as a ...
... Once created, the ACL must be applied to all interfaces that face non-infrastructure devices. This includes interfaces that connect to other organizations, remote access segments, user segments, and data center segments. ICMP packet filtering Internet Control Message Protocol (ICMP) is designed as a ...
18. APJ Instructor Forum
... The IP address of the Fa0/0 interface at R1 The IP address of the S0/0/1 interface at R2 The IP address of the S0/0/0 interface at R1 The subnet mask of the S0/0/1 interface at R2 • The IP addresses on the serial link between R1 & R2 are within different subnets. ...
... The IP address of the Fa0/0 interface at R1 The IP address of the S0/0/1 interface at R2 The IP address of the S0/0/0 interface at R1 The subnet mask of the S0/0/1 interface at R2 • The IP addresses on the serial link between R1 & R2 are within different subnets. ...
slides
... MPLS 5.2 error detection, correction 5.6 data center networking 5.3 multiple access protocols 5.7 a day in the life of a web request 5.4 LANs ...
... MPLS 5.2 error detection, correction 5.6 data center networking 5.3 multiple access protocols 5.7 a day in the life of a web request 5.4 LANs ...
Connection-oriented internetworking
... may support a set of encoding formats, where support means that a link is able to carry and switch a signal of one or more of these encoding formats depending on the resource availability and capacity of the link.” 3471: “The LSP Encoding Type represents the nature of the LSP, and not the nature of ...
... may support a set of encoding formats, where support means that a link is able to carry and switch a signal of one or more of these encoding formats depending on the resource availability and capacity of the link.” 3471: “The LSP Encoding Type represents the nature of the LSP, and not the nature of ...
Cloud Computing and Security
... shared infrastructure. Originally pioneered by Cisco Systems in the form of the Inter-Switch Links for large-scale Ethernet networks, the IEEE standard provides a vendor independent framework for supporting multiple logical networks on shared Ethernet switch devices and shared link media. The on-wir ...
... shared infrastructure. Originally pioneered by Cisco Systems in the form of the Inter-Switch Links for large-scale Ethernet networks, the IEEE standard provides a vendor independent framework for supporting multiple logical networks on shared Ethernet switch devices and shared link media. The on-wir ...
Implementing L2 at the Data Center Access Layer
... • Multiple VLANs can be configured on each access element. These VLANs will be used by separate servers, and all are trunked from that access element to the core network tier. • Each Virtual Chassis connects up to each single MX Series router using a LAG. Although the LAG consists of two link memb ...
... • Multiple VLANs can be configured on each access element. These VLANs will be used by separate servers, and all are trunked from that access element to the core network tier. • Each Virtual Chassis connects up to each single MX Series router using a LAG. Although the LAG consists of two link memb ...
Ethernet - University of Pittsburgh
... 802.3 Ethernet Standards: Link & Physical Layers many different Ethernet standards common MAC protocol and frame format ...
... 802.3 Ethernet Standards: Link & Physical Layers many different Ethernet standards common MAC protocol and frame format ...
3. Ethernet - Faculty of Computer Science and Information Technology
... Ethernet is a shared media, which means only one node can transmit data at a time. The addition of more nodes increases the demands on the available bandwidth and places additional loads on the media. Bridging was developed to help ease performance problems that arose from increased collisions. Brid ...
... Ethernet is a shared media, which means only one node can transmit data at a time. The addition of more nodes increases the demands on the available bandwidth and places additional loads on the media. Bridging was developed to help ease performance problems that arose from increased collisions. Brid ...
Data Center Interconnection with VXLAN
... Operating multiple, geographically dispersed data centers has been regarded as best practice for many years, and all types of businesses and organizations use this deployment model. Today, it may even be a statutory requirement for some businesses (e.g., banking and finance), or a part of an organiz ...
... Operating multiple, geographically dispersed data centers has been regarded as best practice for many years, and all types of businesses and organizations use this deployment model. Today, it may even be a statutory requirement for some businesses (e.g., banking and finance), or a part of an organiz ...
OpenFlow: Enabling Research in Production Networks
... Our Approach 1. A clean separation between the substrate and an open programming environment 2. A simple hardware substrate that generalizes, subsumes and simplifies the current substrate ...
... Our Approach 1. A clean separation between the substrate and an open programming environment 2. A simple hardware substrate that generalizes, subsumes and simplifies the current substrate ...
Week_Five_Network
... topologies is a single device will receive multiple copies of the same frame. The third problem occurs within the switch itself. The MAC address table can change rapidly and contain wrong information. What happens when neither switch has learned about devices A and B’s location? Device A sends data ...
... topologies is a single device will receive multiple copies of the same frame. The third problem occurs within the switch itself. The MAC address table can change rapidly and contain wrong information. What happens when neither switch has learned about devices A and B’s location? Device A sends data ...
SR-IOV ixgbe driver limitations and improvement
... Hardware support in X540 and X550 ▌Later NIC chips, X540 and X550 support VLAN promiscuous and Unicast promiscuous mode per VF ▌The issues could be solved with X540/X550 chip ▌To make framework for X540/X550 and use the same semantics for 82599 may be needed ...
... Hardware support in X540 and X550 ▌Later NIC chips, X540 and X550 support VLAN promiscuous and Unicast promiscuous mode per VF ▌The issues could be solved with X540/X550 chip ▌To make framework for X540/X550 and use the same semantics for 82599 may be needed ...
Cisco ME 6500 Series Ethernet Switch
... safeguard network resources. Port-based and VLAN-based access control lists (ACLs) restrict the unwanted traffic based on traffic and users; CPU rate limiters and control plane policing (CoPP) limit the amount of traffic that enters the network; Port Security limits the number of MAC addresses that ...
... safeguard network resources. Port-based and VLAN-based access control lists (ACLs) restrict the unwanted traffic based on traffic and users; CPU rate limiters and control plane policing (CoPP) limit the amount of traffic that enters the network; Port Security limits the number of MAC addresses that ...
3rd Edition, Chapter 5
... a different LAN must change its address Changing IP addresses manually is annoying IP broadcasts traffic within a LAN, something that can cause congestion in a large LAN Routing IP (rather than bridging) was slow It might be tempting to bridge everything making your whole topology one giant LAN from ...
... a different LAN must change its address Changing IP addresses manually is annoying IP broadcasts traffic within a LAN, something that can cause congestion in a large LAN Routing IP (rather than bridging) was slow It might be tempting to bridge everything making your whole topology one giant LAN from ...
Chapter 1
... Resolving IPv4 addresses to MAC Addresses • Address Resolution Protocol (ARP): • Why do devices need to map a MAC address to an IP address? • There is no built-in connection or relationship between the MAC (physical) address and the assigned IP (logical) address. • IP hosts and routers use Address ...
... Resolving IPv4 addresses to MAC Addresses • Address Resolution Protocol (ARP): • Why do devices need to map a MAC address to an IP address? • There is no built-in connection or relationship between the MAC (physical) address and the assigned IP (logical) address. • IP hosts and routers use Address ...
AFDX / ARINC 664 Tutorial
... The Virtual Link (VL) Each network of an AFDX ES is connected to the switch via a single cable. This means that the communication between two AFDX ESs takes place over a single physical communication link. However, from a system or application point of view, it is possible to establish many logical ...
... The Virtual Link (VL) Each network of an AFDX ES is connected to the switch via a single cable. This means that the communication between two AFDX ESs takes place over a single physical communication link. However, from a system or application point of view, it is possible to establish many logical ...
SC PE
... packet-switched computer networks. – makes no assumptions about where a particular address is located in a network. – depends on flooding and examination of source addresses in received packet headers to locate unknown devices. – connects multiple network segments at the data link layer (Layer 2) of ...
... packet-switched computer networks. – makes no assumptions about where a particular address is located in a network. – depends on flooding and examination of source addresses in received packet headers to locate unknown devices. – connects multiple network segments at the data link layer (Layer 2) of ...
ex1-9-o-can-Ethernet_Part_2
... Resolving IPv4 addresses to MAC Addresses • Address Resolution Protocol (ARP): • Why do devices need to map a MAC address to an IP address? • There is no built-in connection or relationship between the MAC (physical) address and the assigned IP (logical) address. • IP hosts and routers use Address ...
... Resolving IPv4 addresses to MAC Addresses • Address Resolution Protocol (ARP): • Why do devices need to map a MAC address to an IP address? • There is no built-in connection or relationship between the MAC (physical) address and the assigned IP (logical) address. • IP hosts and routers use Address ...