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Cisco IOS Software includes a full DHCP server implementation: Assigns IP addresses from specified address pools within the router Can be configured to assign the IP address of these components: Domain Name System (DNS) server Default router

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Transition richness means: No fixed day to convert; no need to convert all at once Different transition mechanisms are available: Dual stack Manual tunnel 6to4 tunnel ISATAP tunnel Teredo tunnel Different compatibility mechanisms: Proxying and translation (NAT-PT)

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Point-to-point Subinterfaces act like leased lines. Each point-to-point subinterface requires its own subnet. Point-to-point is applicable to hub-and-spoke topologies. Multipoint Subinterfaces act like NBMA networks, so they do not resolve the split-horizon issues. Multipoint can save address space because it uses a single subnet. Multipoi...

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This is an example of the Santa Cruz router authenticating to the HQ router. Hash values, not actual passwords, are sent across the link. The local router or external server is in control of authentication attempts.

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There are three types of NAT: static, dynamic, andoverloading (PAT). Static NAT is one-to-one address mapping. Dynamic NAT addresses are picked from a pool. NAT overloading (PAT) allows you to map many inside addresses to one outside address. Use the show ip nat translation command to display the translation table and verify that translation...

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Follow these steps to determine the subnetwork and host addresses using a subnet mask: Write the octet being split in binary. Write the mask in binary and draw a line to delineate the significant bits. Cross out the mask so you can view the significant bits. Copy the subnet bits four times. Define the network address by placing all zeroes in t...

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Standard IPv4 ACLs allow you to filter based on source IP address. Extended ACLs allow you to filter based on source IP address, destination IP address, protocol, and port number. Named ACLs allow you to delete individual statements froman ACL. You can use the show access-lists and show ip interface commands to troubleshoot common ACL configura...

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Chúng ta thiết lập cấu hình địa chỉ IP và TSAPs cho Module Ethernet S7-200 CP243-1 với STEP 7-Micro/WIN. Project S7-200 cất giữ địa chỉ IP và TSAPs mà Module Ethernet S7-200 CP243-1 sẽ được dùng khi đã cố định đến mạng. sau khi chúng ta lựa chọn những thông số cho Module Ethernet S7-200 CP243-1. Chúng ta phải download S7-200 project trước những...

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ACLs can be used for IP packet filtering or to identify traffic to assign it special handling. ACLs perform top-down processing and can be configured for incoming or outgoing traffic. You can create an ACL using a named or numbered ACL. Named or numbered ACLs can be configured as standard or extended ACLs, which determines what they can filter. ...

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EIGRP supports MD5 authentication. The router identifies itself for every EIGRP packet it sends. The router authenticates the source of each routing update packet that it receives. Each participating neighbor must have the same key configured.

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