Chapter 2: Basic IPv4 Access Control Lists

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22 Terms

1
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ip hello-interval eigrp 100 5
Interface subcommand that sets the EIGRP Hello interval to 5 seconds for EIGRP process 100.
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ip hold-time eigrp 100 15
Interface subcommand that sets the EIGRP hold time to 15 seconds for EIGRP process 100.
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ip ospf hello-interval 10
Interface subcommand that sets the OSPF Hello interval to 10 seconds.
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ip ospf dead-interval 40
Interface subcommand that sets the OSPF dead timer to 40 seconds.
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passive-interface GigabitEthernet0/5
Router subcommand (for both OSPF and EIGRP) that stops sending Hellos and neighbor discovery on interface GigabitEthernet0/5.
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show ip protocols
Shows routing protocol parameters and current timer values, including an effective copy of the network commands and a list of passive interfaces.
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show ip eigrp interfaces
Lists the interfaces on which EIGRP is enabled for each EIGRP process, except passive interfaces.
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show ip route eigrp
Lists only EIGRP-learned routes from the routing table.
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show ip eigrp neighbors
Lists EIGRP neighbors and their current status.
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show ip ospf interface brief
Lists the interfaces on which OSPF is enabled (based on the network commands), including passive interfaces.
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show ip ospf interface GigabitEthernet0/5
Lists detailed OSPF settings for GigabitEthernet0/5, including Hello and Dead timers and OSPF area.
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show ip route ospf
Lists routes in the routing table learned by OSPF.
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show ip ospf neighbor
Lists OSPF neighbors and their current status per interface.
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show ip ospf
Lists messages about the OSPF process itself, including the OSPF Router ID in the first line.
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show interfaces
Lists configuration, state, and counter information for each interface.
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show interfaces description
Lists one line of output per interface with brief status information.
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debug eigrp packets
Generates log messages for EIGRP packets transmitted and received by the router.
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debug ip ospf adj
Generates log messages for OSPF adjacency events (neighbor up/down).
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debug ip ospf events
Generates log messages for each action taken by OSPF, including receipt of LSAs.
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debug ip ospf packet
Generates log messages describing the contents of all OSPF packets.
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debug ip ospf hello
Generates log messages describing OSPF Hellos and Hello failures.
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undebug all
EXEC command that disables all current debug operations.