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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Cisco Systems DHR-1, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Cisco Systems DHR-1 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Cisco Systems DHR-1. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Cisco Systems DHR-1 should contain:
- informations concerning technical data of Cisco Systems DHR-1
- name of the manufacturer and a year of construction of the Cisco Systems DHR-1 item
- rules of operation, control and maintenance of the Cisco Systems DHR-1 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Cisco Systems DHR-1 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Cisco Systems DHR-1, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cisco Systems service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Cisco Systems DHR-1.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Cisco Systems DHR-1 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
DHR-1 Cisco IOS XR Interface and Hardware Co mponent Debug Command Refe rence Hardware Redundancy and Node Administration Debug Commands on Cisco IOS XR Software This chapter describes the admin istrati ve platform comm ands used to deb ug the hardware redundan cy , po wer , and admini strati ve st atus of the nodes on a ro uter running Cisco IOS X[...]
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Page 2
Hardware Redundancy and Node Administration Debug Commands on Cisco IOS XR Software debug oird DHR-2 Cisco IOS XR Interfa ce and Hardware Component Debug Co mmand Reference debug oird T o deb ug e vents relat ed to the OIR daemon (OIRD), use th e debug oi rd command in EXEC mode. T o disable deb ugging, use the no form of this command. debug oird {[...]
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Page 3
Hardware Redun dancy and Node Administration Debug Commands on Cisco IOS XR Software debug oird DHR-3 Cisco IOS XR Interface and Hardware Compon ent Debug Command Refe rence RP/0/RP0/CPU0:router# oir_daemon[247]: Card Mask = 400000000000000, Card_present = fffdc000fffffbfd, Card_intr = fbffffdfffffffff. RP/0/RP0/CPU0:router# oir_daemon[247]: %OIRD-[...]
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Page 4
Hardware Redundancy and Node Administration Debug Commands on Cisco IOS XR Software debug screddrv DHR-4 Cisco IOS XR Interfa ce and Hardware Component Debug Co mmand Reference debug screddrv T o deb ug the screddrv message, use the deb ug screddr v command in EXEC mode. T o disable debugging, use the no form of this command. debug scr eddrv { all [...]
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Page 5
Hardware Redun dancy and Node Administration Debug Commands on Cisco IOS XR Software debug screddrv DHR-5 Cisco IOS XR Interface and Hardware Compon ent Debug Command Refe rence[...]
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Hardware Redundancy and Node Administration Debug Commands on Cisco IOS XR Software debug socket DHR-6 Cisco IOS XR Interfa ce and Hardware Component Debug Co mmand Reference debug socket T o deb ug the socket libr ary , use the debug socket command in EXEC mode. T o disable deb ugging, use the no form of this command. debug socket { clns | raw | t[...]
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Hardware Redun dancy and Node Administration Debug Commands on Cisco IOS XR Software debug socket DHR-7 Cisco IOS XR Interface and Hardware Compon ent Debug Command Refe rence Examples The followi ng exampl e show s sample output wi th the deb ug socke t command: RP/0/RP0/CPU0:router# debug socket udp api location 0/0/CPU0 RP/0/RP0/CPU0:Aug 16 20:5[...]
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Page 8
Hardware Redundancy and Node Administration Debug Commands on Cisco IOS XR Software debug socket DHR-8 Cisco IOS XR Interfa ce and Hardware Component Debug Co mmand Reference 1 15lab-vlan526-hsrp.cisco.com (172.19.72.129) 15 msec RP/0/RP0/CPU0:Aug 16 20:58:34.045 : udp[316]: Entering: sbe_size_packet (pak 0xda3181ff) RP/0/RP0/CPU0:Aug 16 20:58:34.0[...]
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Hardware Redun dancy and Node Administration Debug Commands on Cisco IOS XR Software debug socket DHR-9 Cisco IOS XR Interface and Hardware Compon ent Debug Command Refe rence RP/0/RP0/CPU0:Aug 16 20:58:34.509 : udp[316]: Entering: sbe_set_name_packet (elem 0xda3181ff, name 0x8057190, len 16) RP/0/RP0/CPU0:Aug 16 20:58:34.510 : udp[316]: Entering: [...]
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Hardware Redundancy and Node Administration Debug Commands on Cisco IOS XR Software debug socket DHR-10 Cisco IOS XR Interfa ce and Hardware Component Debug Co mmand Reference[...]