Ping (Normal)
Ping (Extended,Privilege)
Trace
Show ip route
Show session
Show line
Clear line x
Who
<Ctrl-Shift-6> X
R>hostname R6
line con 0
exec-timeout 0 0
No ip domain-lookup
No exec-timeout
Ip subnet-zero
Login password (configured)
Vty password (configured)
Enable password
No logg console (logg console) or logg syn(line con 0)
No logg buffer (logg buffer)
Ip Classless
<Ctrl-Shift-6>X
Config a Router as a frame relay switch
Frame-relay switching
interface serial 1
encapsulation frame-relay
frame-relay intf dce
frame-relay lmi-type ansi
frame-relay route 102 interface s2 201
frame-relay route 103 interface s3 301
….
Clockrate 64000(options)
interface serial 2
encapsulation frame-relay
frame-relay intf dce
frame-relay lmi-type ansi
frame-relay route 201 interface s1 102
frame-relay route 203 interface s3 302
… Clockrate 64000(options)
RIP Commands
Router rip
ip rip send v 1/ v 2
Neighbor x.x.x.x(when use passive interface)
Offset list
split-horizon ( in interface)
Show ip protocols
*auto-summary Enable Automatic Network Number Summarization
**default-information Control Distribution of Default Information
**default-metric Set Metric of Redistributed Routes
**distance Define an Administrative Distance
***distribute-list Filter Networks in Routing Updates
*flash-update-threshold Specify Flash Update Threshold in Second
*maximum-paths Forward Packets Over Multiple Paths
**neighbor Specify a Neighbor Router
***network Enable Routing on an IP Network
*offset-list Add or Subtract Offset From IGRP or RIP Metrics
*passive-interface Suppress Routing Updates on an Interface
***redistribute Redistribute Information from Another Routing Protocol
*timers Adjust Routing Timers
*traffic-share Algorithm for Computing Traffic Share for Alternate Routes
*validate-update-source Perform Sanity Checks Against Source Address of
Routing Updates
**version Set Routing Protocol Version
Rtr(config-if)#ip rip
**Authentication Authentication Control
**receive Advertisement Reception
**send Advertisement Transmission
EIGRP Command
*auto-summary Enable Automatic Network Number Summarization
**default-information Control Distribution of Default Information
**default-metric Set Metric of Redistributed Routes
**distance Define an Administrative Distance
***distribute-list Filter Networks in Routing Updates
*eigrp EIGRP Specific Commands
*maximum-paths Forward Packets Over Multiple Paths
metric Modify IGRP Routing Metrics and Parameters
**neighbor Specify a Neighbor Router
***network Enable Routing on an IP Network
*offset-list Add or Subtract Offset from IGRP or RIP Metrics
*passive-interface Suppress Routing Updates on an Interface
***redistribute Redistribute Information From Another Routing Protocol
*timers Adjust Routing Timers
*traffic-share Algorithm for Computing Traffic Share for Alternate Routes
*variance Control Load Balancing Variance
Rtr(config-if)#ip hello-interval eigrp 1
<1-65535> Seconds between hello transmissions
Rtr(config-if)#ip hold-time eigrp 1
<1-65535> Seconds before neighbor is considered down
Rtr(config-if)#ip split-horizon eigrp
<1-65535> Autonomous system number
RIP/IGRP/EIGRP Split Horizon
Serial Interfaces
.Frame Relay not enabled 每 Split Horizon is enabled
.Frame Relay enabled, no sub interface - Split Horizon is disabled
.Frame Relay enabled, sub-interfaces - Split Horizon is enabled
Useful Command in OSPF
Show ip ospf nei
Sh ip protocols
Sh ip ospf interface
Sh ip ospf database
Debug ospf adj
Rtr(config)#router ospf 1
Rtr(config-router)#
Router Configuration Commands:
***area OSPF Area Parameters
**auto-cost Calculate OSPF Interface Cost According to Bandwidth
*default-information Control Distribution of Default Information
*default-metric Set Metric of Redistributed Routes
*distance Define an Administrative Distance
*distribute-list Filter Networks in Routing Updates
**neighbor Specify a Neighbor Router
***network Enable Routing on an IP Network
