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The WAN Interface Card (WIC) may contain an integrated CSU/DSU that can be inserted into a router slot. An example of a WIC is the 1-port 56/64-kbit/s DSU/CSU WIC (WIC-1DSU-56K4) by Cisco Systems. DTE is generally a router, but can also be a terminal, computer, printer, or fax machine if they connect directly to the service provider network.
The term login comes from the verb (to) log in and by analogy with the verb to clock in. Computer systems keep a log of users' access to the system. The term "log" comes from the chip log which was historically used to record distance traveled at sea and was recorded in a ship's log or logbook.
3.2 – first generally available version for the 12000 router series 3.9 – first generally available version for the ASR 9000 router series 5.0 – first generally available version for the NCS6000 series, which is based upon a Linux kernel instead of QNX, and was released in September 2013 [ 5 ]
The Non-classified Internet Protocol (IP) Router Network [1] (NIPRNet) is an IP network used to exchange unclassified information, including information subject to controls on distribution, [2] among the private network's users.
xDSL Connectivity diagram. A broadband remote access server (BRAS, B-RAS or BBRAS) routes traffic to and from broadband remote access devices such as digital subscriber line access multiplexers (DSLAM) on an Internet service provider's (ISP) network.
It allows the user to see traffic load on a network over time in graphical form. It was originally developed by Tobias Oetiker and Dave Rand to monitor router traffic, but has developed into a tool that can create graphs and statistics for almost anything. MRTG is written in Perl and can run on Windows, Linux, Unix, Mac OS and NetWare.
Though the simplest form of ingress filtering is to use access-control lists to drop packets with improper source addresses, the use of access lists becomes difficult on routers with a large number of adjacent networks, and traditional access lists are not used in high-performance router forwarding paths. [citation needed]
Customer information and device operation would be available to the potential attackers, including other MAC addresses on client's networks. Covert redirection of DNS queries to a rogue DNS server might be possible, and even surreptitious firmware updates with backdoor features. [ 6 ]