Setup Wizard
... Follow the instructions below to complete the hardware connections. Connection to LINE port If you wish to connect both the router and a telephone, connect the LINE port to a POTS splitter with a RJ11 connection cable. Connection to LAN port To connect to a hub or PC, use a RJ45 cable. You can conne ...
... Follow the instructions below to complete the hardware connections. Connection to LINE port If you wish to connect both the router and a telephone, connect the LINE port to a POTS splitter with a RJ11 connection cable. Connection to LAN port To connect to a hub or PC, use a RJ45 cable. You can conne ...
ppt
... destination IP address and port are mapped to the same external source IP address and port. If the same internal host sends a packet with the same source address and port to a different destination, a different mapping is used. – Only the external host that receives a packet can send a UDP packet ba ...
... destination IP address and port are mapped to the same external source IP address and port. If the same internal host sends a packet with the same source address and port to a different destination, a different mapping is used. – Only the external host that receives a packet can send a UDP packet ba ...
Computer Security: Principles and Practice, 1/e
... In heavy load may forward all packets without logging Cannot catch application-level errors ICMP can have invalid contents FTP, RPC use ports > 1023, dynamically allocated Cannot recognized spoofed IP or port addresses Do not support advanced user authentication Tiny fragments can hide ...
... In heavy load may forward all packets without logging Cannot catch application-level errors ICMP can have invalid contents FTP, RPC use ports > 1023, dynamically allocated Cannot recognized spoofed IP or port addresses Do not support advanced user authentication Tiny fragments can hide ...
Wireless LAN
... assigned by the IANA uses the range of addresses that start with binary value 001 (2000::/3), which is 1/8 of the total IPv6 address space and is the largest block of assigned addresses. • The IANA is allocating the IPv6 address space in the ranges of 2001::/16 to the five RIR registries (ARIN, RIPE ...
... assigned by the IANA uses the range of addresses that start with binary value 001 (2000::/3), which is 1/8 of the total IPv6 address space and is the largest block of assigned addresses. • The IANA is allocating the IPv6 address space in the ranges of 2001::/16 to the five RIR registries (ARIN, RIPE ...
Application of Mininet
... configured as a switch not a router. This is why it is called transparent bridge. Question 5-b If PC2 is configured as a IP router, we would see one more entry in the traceroute output indicating PC2. We changed the IP address of PC3 to 10.0.2.12/24. The previous ping command failed in this case. Be ...
... configured as a switch not a router. This is why it is called transparent bridge. Question 5-b If PC2 is configured as a IP router, we would see one more entry in the traceroute output indicating PC2. We changed the IP address of PC3 to 10.0.2.12/24. The previous ping command failed in this case. Be ...
Metro WDM Networks: Performance Comparison of , Senior Member, IEEE
... spreading of the control signals [21], or as an out-of-band control channel, e.g., by running a PSC in parallel to the AWG [8]. In our explanation of the basic principles of the MAC protocol in the AWG star, we focus on the out-of-band control channel; we refer the interested reader to [21] for deta ...
... spreading of the control signals [21], or as an out-of-band control channel, e.g., by running a PSC in parallel to the AWG [8]. In our explanation of the basic principles of the MAC protocol in the AWG star, we focus on the out-of-band control channel; we refer the interested reader to [21] for deta ...
Introduction to Routing and Packet Forwarding
... • After router determines the best path • Packet is encapsulated into a frame • Frame is then placed on network medium in form of Bits ...
... • After router determines the best path • Packet is encapsulated into a frame • Frame is then placed on network medium in form of Bits ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... Web content, videoconferencing, and e-commerce, etc. Routing is one of the key issues for supporting these demanding applications in a rather unstable and resource limited wireless networking environment. There are two ways to implement mobile wireless networks - infrastructured network and infrastr ...
... Web content, videoconferencing, and e-commerce, etc. Routing is one of the key issues for supporting these demanding applications in a rather unstable and resource limited wireless networking environment. There are two ways to implement mobile wireless networks - infrastructured network and infrastr ...
Lab 12A: Intrusion Detection System (IDS)
... Port numbers are divided into three ranges: 3. The Dynamic and/or Private Ports are those from 49152 through 65535. In theory, no service should be assigned to these ports. In reality, machines start assigning "dynamic" ports starting at 1024. We also see strangeness, such as Sun starting their RPC ...
... Port numbers are divided into three ranges: 3. The Dynamic and/or Private Ports are those from 49152 through 65535. In theory, no service should be assigned to these ports. In reality, machines start assigning "dynamic" ports starting at 1024. We also see strangeness, such as Sun starting their RPC ...
ภาพนิ่ง 1
... with IPv4. However, it relies on a new interpretation of the IPv4 Type Of Service (TOS) field, which is not supported for all the devices on the network. Additionally, identification of the packet flow must be done using an upper layer protocol identifier such as a TCP or User Datagram Protocol (UDP ...
... with IPv4. However, it relies on a new interpretation of the IPv4 Type Of Service (TOS) field, which is not supported for all the devices on the network. Additionally, identification of the packet flow must be done using an upper layer protocol identifier such as a TCP or User Datagram Protocol (UDP ...
ppt
... destination IP address and port are mapped to the same external source IP address and port. If the same internal host sends a packet with the same source address and port to a different destination, a different mapping is used. – Only the external host that receives a packet can send a UDP packet ba ...
... destination IP address and port are mapped to the same external source IP address and port. If the same internal host sends a packet with the same source address and port to a different destination, a different mapping is used. – Only the external host that receives a packet can send a UDP packet ba ...
Link Layer
... encapsulate datagram into frame, adding header, trailer implement channel access if shared medium, ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! ...
... encapsulate datagram into frame, adding header, trailer implement channel access if shared medium, ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! ...
Network Address Translation (NAT) Background Material for Overlay
... destination IP address and port are mapped to the same external source IP address and port. If the same internal host sends a packet with the same source address and port to a different destination, a different mapping is used. – Only the external host that receives a packet can send a UDP packet b ...
... destination IP address and port are mapped to the same external source IP address and port. If the same internal host sends a packet with the same source address and port to a different destination, a different mapping is used. – Only the external host that receives a packet can send a UDP packet b ...
lect22 - Computer and Information Sciences
... Hub can disconnect “jabbering adapter Hub can gather monitoring information, statistics ...
... Hub can disconnect “jabbering adapter Hub can gather monitoring information, statistics ...
router
... CRC’s are commonly used at the link layer CRC’s can detect any bit error of up to r bits with an r-bit EDC. CRC’s are more resilient to bursty bit errors CRC’s can not correct bit errors ...
... CRC’s are commonly used at the link layer CRC’s can detect any bit error of up to r bits with an r-bit EDC. CRC’s are more resilient to bursty bit errors CRC’s can not correct bit errors ...
Packet Reading for Network Emulation
... Note that simply using “destination IP address real IP address” does not work as this also accepts broadcast (and multicast) packets: if more sophisticated tests are used it begins to add overhead and reduces the rate at which the emulator can read packets. At this point additional filtering can ...
... Note that simply using “destination IP address real IP address” does not work as this also accepts broadcast (and multicast) packets: if more sophisticated tests are used it begins to add overhead and reduces the rate at which the emulator can read packets. At this point additional filtering can ...
IP: Addresses and Forwarding - ECSE
... OSPF runs on top of IP=> Relies on IP fragmentation for large LSAs IS-IS runs directly over L2 (next to IP) => fragmentation done by IS-IS Media support Both protocols support LANs and point-to-point links in similar ways IS-IS supports NBMA in a manner similar to OSPF ptmpt model: as a set ...
... OSPF runs on top of IP=> Relies on IP fragmentation for large LSAs IS-IS runs directly over L2 (next to IP) => fragmentation done by IS-IS Media support Both protocols support LANs and point-to-point links in similar ways IS-IS supports NBMA in a manner similar to OSPF ptmpt model: as a set ...
Slides for Chapter 3: Networking and Internetworking
... IP packet longer than MTU of the underlying network, break into fragments before sending and reassemble after receiving Address resolution (on LANs) mapping IP address to lower level address ARP: address resolution protocol ethernet: cache; not in cache, broadcast IP addr, receive Ethernet ...
... IP packet longer than MTU of the underlying network, break into fragments before sending and reassemble after receiving Address resolution (on LANs) mapping IP address to lower level address ARP: address resolution protocol ethernet: cache; not in cache, broadcast IP addr, receive Ethernet ...
presentation
... (Internet Group Management Protocol) was defined for this purpose. Via IGMP the hosts in a LAN tell their router whether they are interested in a particular multicast stream. If no local host is interested in a multicast group the router will stop forwarding packets onto the LAN. But this only solve ...
... (Internet Group Management Protocol) was defined for this purpose. Via IGMP the hosts in a LAN tell their router whether they are interested in a particular multicast stream. If no local host is interested in a multicast group the router will stop forwarding packets onto the LAN. But this only solve ...
RPL (pronounced ripple) Routing Protocol for Low Power and Lossy
... Routing protocols activated in urban sensor networks MUST support unicast (traffic is sent to a single field device), multicast (traffic is sent to a set of devices that are subscribed to the same multicast group), and anycast (where multiple field devices are configured to accept traffic sent on a ...
... Routing protocols activated in urban sensor networks MUST support unicast (traffic is sent to a single field device), multicast (traffic is sent to a set of devices that are subscribed to the same multicast group), and anycast (where multiple field devices are configured to accept traffic sent on a ...
2/e, by William Stallings and Lawrie Brown, Chapter 9
... such as network layer address spoofing . Many packet filter firewalls cannot detect a network packet in which the OSI Layer 3 addressing information has been altered. Spoofing attacks are generally employed by intruders to bypass the security controls implemented in a firewall platform. • Finally, d ...
... such as network layer address spoofing . Many packet filter firewalls cannot detect a network packet in which the OSI Layer 3 addressing information has been altered. Spoofing attacks are generally employed by intruders to bypass the security controls implemented in a firewall platform. • Finally, d ...
