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24 Cards in this Set
- Front
- Back
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OSI Layer responsible for reliable end to end logical connection.
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transport
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OSI layer that provides reliable transmission across a physical medium
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datalink layer
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mac address lenght in bytes and which is serial number and which is company id number.
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6 bytes.
vendor-serial |
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RARP
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MAC is known - IP is not. Diskless PC
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switching -cut through
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stores only 6byte dest addy in buffer. fast
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switching-fragmenty free
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modified cut-thro.
waits for collision window, dest addy in buffer 6byte, better error checking no latency. FASTEST. |
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used by switchs to prevent loops
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STP (spanning tree proto) 802.1d, uses bridge PDU's to determine net topology
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VLAN benefits
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less admin cost, better control of broadcasts, tighten net security and distribute load.
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formula to get max number of subnets and hosts of an ip addy.
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class B
has 16 mask bits standard. count all additional mask bits and apply. 2^n-2=max number of subnets. Max host-count all host bits. 2^n-2=max # of hosts. |
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Grouping a large number of Class C networks into a single group, and putting a
single entry for that group in an Internet router, to reduce the overall size of the IP routing table |
CIDR
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Ctrl+A
Ctrl+E Ctrl+F Ctrl+B |
begin of line
end of line 1 charcter forward 1 charcchter back |
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Esc+B
Esc+F Ctrl+N Ctrl+P |
1 word back
1 word forward recent command recall previous commd. (up arrow) |
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cdp default updates and holdtime
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update 60sec
holdtime 180 sec |
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show run
shows containts of |
RAM
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command to resume a suspended telnet session
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resume and session id
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Ctrl+shift+6 X
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return to original router w/o closing telnet
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#no ip domain-lookup
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disable routers DNS lookup.
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command to set a default statif route
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#ip default-network [ip addy]
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RIP timers
update invalid flush holddown |
30
180 240 180 |
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RIP
frame rely doesnt broadcast. So what command is used to specicfy were to send ads to |
#neighbor [ip address]
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igrp
load balancing ospf- load balancing |
def 4 max 6-unequal load balance
equal cost balancing |
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Novell
IPX and SPX mean |
IP internetwoek packt exchange
Sequence packt xchange |
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ACL numbering
IP std ip extd ipx std ipx extd |
ip std 1-99
ip ex 100-199 ipx std 800-899 ipx extd 900-999 |
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IOS version allowing ACL naming
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11.2
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