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35 Cards in this Set
- Front
- Back
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The IOS exists on how many files called |
1 file called IOS image |
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Where is IOS stored |
FLASH |
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Where is startup config stored |
NVRAM |
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Where is bootstrap and ROMMON stored |
ROM |
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Command to copy IOS from TFTP to flash ram |
copy tftp flash
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Show command to see flash memory |
show flash |
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Command to load ROMMON on next reload |
config-register 0x2100 |
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Command to set normal config register (speed 9600 and boot IOS image) on most routers |
config-register 0x2102 |
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Config command to boot from flash |
boot system flash [:filename] |
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Config command to boot from an IOS located on a tftp server |
boot system tftp [filename] 10.1.1.1
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Command to set configuration register to ignore startup config file (for password recovery) |
If able, config-register 0x2142 If in ROMMON, confreg 0x2142 |
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2 ways to enter ROMMON from terminal |
Hit "break" key within first 30 seconds of loading Remove all flash memory cards to remove IOS file.. (Put it back in once ROMMON loads) |
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Command to delete startup config (recommended command)
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erase nvram: |
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Fist step of router bootup process |
POST test |
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ICMP Protocol # |
1 |
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TCP protocol # |
6 |
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UDP protocol #
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17
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IPv6 Protocol # |
41 |
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ESP protocol # |
50 |
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EIGRP protocol # |
88 |
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OSPF protocol # |
89 |
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NVP protocol # |
11 |
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A NAT miss signifies |
the router tries to find an entry, fails, and attempts to create one
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A NAT "refcount" counts |
the number of translations using the pool |
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NAT showing an allocation of 2 signifies |
Number of addresses currently being used |
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Ip class a range |
1-126 |
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Ip class b range |
128-191 |
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Class c range |
192-223 |
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Multicast ip range |
224-239 |
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IEEE code for ethernet |
802.3 |
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IEEE code for fast ethernet |
802.3u |
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IEEE code for gigabit fiber |
802.3z |
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IEEE code for gigabit ethernet |
802.3ab |
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IEEE code for 10 gbps ethernet |
802.3an |
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Default MTU on ethernet |
1500 |
