2011ǯ02

ƥ:

pingޥɤǥͥåȥ̤ǧޤsourceѤΥ󥿡եIPɥ쥹ꤹ뤳Ȥޤ

R1#ping 192.168.1.1 ?
ά
  source    specify source address or name
ά

R1R212.12.12.0/24ľ³Ƥޤ

R1#show ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            12.12.12.1      YES manual up                    up      
FastEthernet0/1            1.1.1.1         YES manual up                    up      
Loopback0                  17.17.1.1       YES NVRAM  up                    up      

R2#show ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            12.12.12.2      YES manual up                    up      
Loopback0                  17.17.2.2       YES NVRAM  up                    up

ޤR2F0/0ping¹ԤޤλǤϥ롼ƥ󥰤Ϥޤޤ

R1#ping 12.12.12.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 12.12.12.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/8/12 ms

EIGRPꤷޤ

R1(config)#router eigrp 100
R1(config-router)#no auto-summary
R1(config-router)#network 17.17.1.1 0.0.0.0
R1(config-router)#network 12.12.12.1 0.0.0.0

R2(config)#router eigrp 100
R2(config-router)#no auto-summary
R2(config-router)#network 17.17.2.2 0.0.0.0
R2(config-router)#network 12.12.12.2 0.0.0.0

R1R2ȥͥСΩȤǧޤ

R1#show ip eigrp neighbors
IP-EIGRP neighbors for process 100
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   12.12.12.2              Fa0/0             12 00:00:12    8   300  0  4

λǤΥ롼ƥ󥰥ơ֥ǧޤ

R1#show ip route eigrp
     17.0.0.0/24 is subnetted, 2 subnets
D       17.17.2.0 [90/156160] via 12.12.12.2, 00:02:07, FastEthernet0/0

R2#show ip route eigrp
     17.0.0.0/24 is subnetted, 2 subnets
D       17.17.1.0 [90/156160] via 12.12.12.1, 00:02:16, FastEthernet0/0

R1pingޥɤ¹ԤˡR2debugꤷޤ

R2#debug ip icmp
ICMP packet debugging is on

pingR2Lo0ФƼ¹Ԥޤ

R1#ping 17.17.2.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 17.17.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/8/16 ms

λR2ǤϲΤ褦ʥɽޤdst12.12.12.1Ǥ뤳Ȥ顢pingF0/0򥽡ȤƼ¹Ԥ줿Ȥʬޤ

R2#
Feb 23 06:07:08.119: ICMP: echo reply sent, src 17.17.2.2, dst 12.12.12.1
Feb 23 06:07:08.135: ICMP: echo reply sent, src 17.17.2.2, dst 12.12.12.1

sourceѤƼ¹ԤޤǤLo0(17.17.1.1)ꤷޤ

R1#ping 17.17.2.2 source loopback 0

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 17.17.2.2, timeout is 2 seconds:
Packet sent with a source address of 17.17.1.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/7/8 ms

R2ΥϲΤ褦ˤʤޤΤ17.17.1.1ѤƤ뤳Ȥʬޤ

Feb 23 06:09:42.091: ICMP: echo reply sent, src 17.17.2.2, dst 17.17.1.1
Feb 23 06:09:42.111: ICMP: echo reply sent, src 17.17.2.2, dst 17.17.1.1

ǤϼF0/1(1.1.1.1)ѤƼ¹ԤޤԤޤ

R1#ping 17.17.2.2 source fastEthernet 0/1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 17.17.2.2, timeout is 2 seconds:
Packet sent with a source address of 1.1.1.1
.....
Success rate is 0 percent (0/5)

ΤǤ礦R2ǤϲΤ褦ʥɽƤ뤳Ȥ顢ѥåȤϤƤꡢreply1.1.1.1ФäƤ뤳Ȥʬޤ

Feb 23 06:15:32.807: ICMP: echo reply sent, src 17.17.2.2, dst 1.1.1.1
Feb 23 06:15:34.811: ICMP: echo reply sent, src 17.17.2.2, dst 1.1.1.1

pingʤͳϡR2Υ롼ƥ󥰥ơ֥1.1.1.1ܤäƤʤǤ

R2#show ip route 1.1.1.1
% Network not in table

R1EIGRPF0/1ͭˤޤ

R1(config)#router eigrp 100
R1(config-router)#network 1.1.1.1 0.0.0.0

ˤR2Υ롼ƥ󥰥ơ֥1.1.1.1ܤޤ

R2#show ip route 1.1.1.1
Routing entry for 1.1.1.0/24
  Known via "eigrp 100", distance 90, metric 30720, type internal
ά

ping̵¹Խޤ

R1#ping 17.17.2.2 source fastEthernet 0/1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 17.17.2.2, timeout is 2 seconds:
Packet sent with a source address of 1.1.1.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/8/12 ms

Τ褦ˡping̤ʤˤping sourcedebug ip icmpѤ뤳Ȥ򸫤Ĥ䤹ʤޤ

ƥ:

CCIEٶϤ᤿顢ɤĤܤȤޤäΤRIPǤpassive-interfaceˡǤINEΥ֥åѤƤΤǤRIPΥ롼ˤpassive-interface꤬ˤ⤫餺⤦ˤϤ꤬ʤΤǤϸȻפINEηǼĤ򸫤ޤְäƤϤʤ褦ǤƤФ餯ƤäǤΤǤġ

ǤϤޤpassive-interfaceޥɤɬפǤR2F0/0R1³졢S1/2R3³ƤޤR1ȤΤRIPѤȤޤ

R2#show ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            172.16.12.2     YES manual up                    up
Serial1/2                  172.16.23.2     YES manual up                    up

R2(config)#router rip
R2(config-router)#version 2
R2(config-router)#no auto-summary
R2(config-router)#network 172.16.12.2

ޤǤΥݥȤnetworkޥɤǤRIPǤOSPFʤɤȰ㤤IPɥ쥹ꤷƤ̣ޤ󡣼ưŪ˥ͥåȥɥ쥹ѴƤޤޤ

R2#show running-config | section rip
router rip
version 2
network 172.16.0.0
no auto-summary

嵭ΥޥɤˤꡢF0/0ͭˤĤ꤬ŪS1/2RIPήȤˤʤäƤޤȤʬޤ

R2#show ip protocols
Routing Protocol is "rip"
ά
    Interface             Send  Recv  Triggered RIP  Key-chain
    FastEthernet0/0       2     2
    Serial1/2             2     2
ά
  Routing for Networks:
    172.16.0.0
ά

debugޥɤ¹Ԥ뤳ȤξΥ󥿡եRIPή뤳ȤǧǤޤ

R2#debug ip rip
RIP protocol debugging is on

Feb 16 07:34:44.627: RIP: sending v2 update to 224.0.0.9 via Serial1/2 (172.16.23.2)
Feb 16 07:34:44.631: RIP: build update entries
Feb 16 07:34:44.631:    172.16.12.0/24 via 0.0.0.0, metric 1, tag 0
Feb 16 07:34:48.311: RIP: sending v2 update to 224.0.0.9 via FastEthernet0/0 (172.16.12.2)
Feb 16 07:34:48.315: RIP: build update entries
Feb 16 07:34:48.315:    172.16.23.0/24 via 0.0.0.0, metric 1, tag 0

passive-interfaceäޤF0/0ΤߤRIPή褦ˤʤޤ

R2(config)#router rip
R2(config-router)#passive-interface serial 1/2

Feb 16 07:36:10.367: RIP: sending v2 update to 224.0.0.9 via FastEthernet0/0 (172.16.12.2)
Feb 16 07:36:10.371: RIP: build update entries
Feb 16 07:36:10.371:    172.16.23.0/24 via 0.0.0.0, metric 1, tag 0
Feb 16 07:36:39.751: RIP: sending v2 update to 224.0.0.9 via FastEthernet0/0 (172.16.12.2)
Feb 16 07:36:39.755: RIP: build update entries
Feb 16 07:36:39.755:    172.16.23.0/24 via 0.0.0.0, metric 1, tag 0

passive-interfaceפǤS1/2IPɥ쥹ѹޤ

R2#show ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            172.16.12.2     YES manual up                    up
Serial1/2                  192.168.23.2    YES manual up                    up

ƱRIPԤޤ

R2(config)#no router rip
R2(config)#router rip
R2(config-router)#version 2
R2(config-router)#no auto-summary
R2(config-router)#network 172.16.12.2

debugǧRIPήƤΤF0/0Ǥ뤳Ȥʬޤ

Feb 16 07:45:29.639: RIP: sending v2 update to 224.0.0.9 via FastEthernet0/0 (172.16.12.2)
Feb 16 07:45:29.643: RIP: build update entries - suppressing null update
Feb 16 07:45:58.779: RIP: sending v2 update to 224.0.0.9 via FastEthernet0/0 (172.16.12.2)
Feb 16 07:45:58.783: RIP: build update entries - suppressing null update

R2#show ip protocols
Routing Protocol is "rip"
ά
    Interface             Send  Recv  Triggered RIP  Key-chain
    FastEthernet0/0       2     2
ά
  Routing for Networks:
    172.16.0.0
ά

ʤpassive-interfaceʤƤ⡢S1/2оݤˤʤʤΤǤ礦S1/2ꤵƤIPɥ쥹ۤʤͥåȥ(192.168.23.0)ǤȸФޤñʤȤǤpassive-interfaceʤȰտޤʤ󥿡եѥåȤήƤޤȤͤ˸ǼƤ֤桹ŤޤǤȳؤοɤȤǤ

passive-interface¿Υ󥿡եꤹɬפϡ褺passive-interface defaultȤƤ̵ˤθno passive-interfaceѤ륤󥿡եͭˤǤ

R2(config)#router rip
R2(config-router)#version 2
R2(config-router)#no auto-summary
R2(config-router)#passive-interface default
R2(config-router)#no passive-interface fastEthernet 0/0

French Laundryͽ󤹤ˡ

ƥ:

FrenchꥫǺǹΥ쥹ȥȤǤͽ󤬼ʤ쥹ȥȾΤThe French LaundryʤȤ̵ͽ󤬼ˬ뤳Ȥޤ

ޤͽˡǤˡȤƤľäOpenTableѤĤޤ

ΤȤʤOpenTableͽߤޤޤäФޤ󡣤ޤǶʤʤΤϽθǡƥ२顼ȤפޤѤƲ٤Ƥ̵̼֤Ǥ

ϷŪľäˡͽ210:00-17:30(ʿɸ)δ֡դƤޤľ10ˡä򤷤ƤߤޤäĤʤޤġФ餯ƸϤͼˤľĤʤޤ

ȤȤǡľääȤμ¤Ȼפޤİʳͽˡ⿧ȸ椵Ƥ褦Ǥ

Restaurant Review: The French Laundry, Yountville

̵ͽˤʤꡢ쥹ȥ夷ޤ˽񤤤Ƥ褦ˡ̣ǾʷʪǤȤäȤ

˥塼̾Υ٥ꥢΥΤߡ9ǡʬǤޤ٤̣դդư´ޤ¿ᡢ3֤ۤɤޤ

ƤǤʤ磻ꥹȤ⤹ե󥹤λʤɤ˹Ԥʤ磻Ͻ¤Ƥޤե󥹻濴Ǥ(Ǥ)ƥꥫι쥹ȥǤϥե󥹻⥢ꥫ⽼¤ƤŹ¿ΤǤΥꥹȤȾüǤϤʤ

ե˥꺤餷Screaming Eagle, Harlan Estate, Dalla Valleʤɤꡢե󥹻Petrus, Romane-Conti, 5祷ȡʤɤͭ̾ɤơ㤤ǥޤʤʤʤ磻ߤ˹ԤȤͤǹԤͤ¿Τ⤷ޤ󡣤ʤߤ٤˺¤äƤꥫ6(¿ʬ3)ϤǤ⤫Ȥ餤֥磻򳫤Ƥޤͻʤ顢ˤʤäΤˤʤޤġ

Υ쥹ȥϥե󥷥⤫ȼ֤1ְʾϤΤǡʥѤޤäƥʤɤǹԤȤ򤪴ᤷޤ

ꥫܲʡǤϡ Thomas Kellerܤ͵Τ褦Ǥ

The Essential Thomas Keller: The French Laundry Cookbook / Ad Hoc at Home

ƥ:

IOSѤ륳ޥɤ¿ϾάѤǤޤ㤨"show running-config""sh run"ˡ"configure terminal""conf t"ѤǤޤξά뤳ȤϤμ֤˸餹Ȥޤ

⤦ˡdoޥɤޤ̾ʸshowޥɤǧޤø⡼ɤΤ֤ǤdoޥɤȤСΥ⡼ɤǤΤޤshowޥɤʤɤ¹ԤǤޤ㤨"do sh run"ͤ˼¹Ԥޤ

ripǧڤޤꤷƤޤޤάdoޥɤȤʤǤ

R1#show ip interface brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            192.168.12.1    YES manual up                    up      
FastEthernet0/1            unassigned      YES unset  administratively down down   
Serial1/0                  unassigned      YES unset  administratively down down   
Serial1/1                  unassigned      YES unset  administratively down down   
Serial1/2                  unassigned      YES unset  administratively down down   
Serial1/3                  unassigned      YES unset  administratively down down   
Loopback0                  192.168.1.1     YES manual up                    up      
R1#configure terminal
R1(config)#router rip
R1(config-router)#version 2
R1(config-router)#no auto-summary
R1(config-router)#network 192.168.12.1
R1(config-router)#network 192.168.1.1
R1(config-router)#^Z
R1#show ip protocols
Routing Protocol is "rip"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Sending updates every 30 seconds, next due in 16 seconds
  Invalid after 180 seconds, hold down 180, flushed after 240
  Redistributing: rip
  Default version control: send version 2, receive version 2
    Interface             Send  Recv  Triggered RIP  Key-chain
    FastEthernet0/0       2     2                    RIP            
    Loopback0             2     2                                    
  Automatic network summarization is not in effect
  Maximum path: 4
  Routing for Networks:
    192.168.1.0
    192.168.12.0
  Routing Information Sources:
  1  Gateway         Distance      Last Update
    192.168.12.2         120      00:00:15
  Distance: (default is 120)

R1#configure terminal
R1(config)#key chain RIP
R1(config-keychain)#key 1
R1(config-keychain-key)#key-string CISCO
R1(config-keychain-key)#^Z
R1#show key chain RIP
Key-chain RIP:
    key 1 -- text "CISCO"
        accept lifetime (always valid) - (always valid) [valid now]
        send lifetime (always valid) - (always valid) [valid now]

R1#configure terminal
R1(config)#interface fastEthernet 0/0
R1(config-if)#ip rip authentication key-chain RIP
R1(config-if)#ip rip authentication mode md5
R1(config-if)#^Z
R1#debug ip rip
RIP protocol debugging is on

Feb  4 05:57:23.275: RIP: received packet with MD5 authentication
Feb  4 05:57:23.275: RIP: received v2 update from 192.168.12.2 on FastEthernet0/0
Feb  4 05:57:23.279:      192.168.2.0/24 via 0.0.0.0 in 1 hops
ά

R1#show ip rou rip
R    192.168.2.0/24 [120/1] via 192.168.12.2, 00:00:08, FastEthernet0/0

˾άdoޥɤʻѤǤ˴ά졢®˼¹Խ뤳ȤǤȻפޤ

R1#sh ip int b
Interface                  IP-Address      OK? Method Status                Protocol
ά
R1#conf t
R1(config)#router rip
R1(config-router)#no au
R1(config-router)#ver 2
R1(config-router)#net 192.168.12.1
R1(config-router)#net 192.168.1.1
R1(config-router)#do sh ip pro
Routing Protocol is "rip"
ά
R1(config-router)#key ch RIP
R1(config-keychain)#ke 1
R1(config-keychain-key)#key-s CISCO
R1(config-keychain-key)#do sh ke ch RIP
Key-chain RIP:
ά
R1(config-if)#ip rip aut ke RIP
R1(config-if)#ip rip aut m m
R1(config-if)#do deb ip rip
R1(config-if)#do sh ip rou rip
R    192.168.2.0/24 [120/1] via 192.168.12.2, 00:00:13, FastEthernet0/0

ƥ:

CCIEٶߤΤʤѤФƤޤΰĤǤSLA(Implement IP Service Level Agreement SLA)ϲ⾯ʤ˻֤ޤǤϴŪSLAǧƤޤ

R1 R2 R3ꡢEIGRPѤR1R2ͳR3ãǤޤR1R3Lo0ɥ쥹Фping¹ԤƤǤ

R1#show ip route eigrp
     17.0.0.0/24 is subnetted, 3 subnets
D       17.17.2.0 [90/156160] via 12.12.12.2, 00:04:43, FastEthernet0/0
D       17.17.3.0 [90/2300416] via 12.12.12.2, 00:04:43, FastEthernet0/0
     23.0.0.0/24 is subnetted, 1 subnets
D       23.23.23.0 [90/2172416] via 12.12.12.2, 00:04:43, FastEthernet0/0
R1#ping 17.17.3.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 17.17.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/77/316 ms

SLAꤹˤꡢR3ǤϤɤΤ褦ˤpingãȤǧǤΤǤ礦debug ip icmpͭˤȤˡޤ

R3#debug ip icmp
ICMP packet debugging is on

嵭ޥɤ¹Ը塢ƤR1ping¹ԤȤR3ɽƤǤ

R3#
Feb  2 07:36:27.987: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1
Feb  2 07:36:28.071: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1
Feb  2 07:36:28.091: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1
Feb  2 07:36:28.099: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1
Feb  2 07:36:28.115: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1

嵭Ƥ顢Lo0R1F0/0Фecho replyäƤ뤳Ȥʬޤ

ǤϤSLAȤäR1R3Фping¹ԤϤޤip sla³ǤդΥȥֹꤷޤǤ1Ȥޤ

R1(config)#ip sla ?
  <1-2147483647>          Entry Number
ά
R1(config)#ip sla 1

SLAˤ¿꤬ޤǤping¹Ԥ뤿icmp-echoѤޤ

R1(config-ip-sla)#?
IP SLAs entry configuration commands:
ά
  icmp-echo    ICMP Echo Operation
ά

³ơ(17.17.3.3)ꤷޤɥ쥹ʤɤǤޤǤѤˤñˤޤ

R1(config-ip-sla)#icmp-echo ?
  Hostname or A.B.C.D  Destination IP address or hostname, broadcast disallowed

R1(config-ip-sla)#icmp-echo 17.17.3.3 ?
  source-interface  Source Interface (ingress icmp packet interface)
  source-ip         Source Address
  <cr>

R1(config-ip-sla)#icmp-echo 17.17.3.3

ޤǤǧ뤿show ip sla configurationޥɤѤޤޤǤΤߤǤꡢޤ¹ԤϤޤ

R1#show ip sla configuration 1
IP SLAs, Infrastructure Engine-II.
ά
Type of operation to perform: icmp-echo
Target address/Source address: 17.17.3.3/0.0.0.0
Operation timeout (milliseconds): 5000
Type Of Service parameters: 0x0

¹Ԥ򳫻Ϥˤip sla scheduleޥɤѤޤlifefoeverȤȼ¹Ԥ³ޤޤstart-timenowȤ뤳ȤǤ˳Ϥޤ

R1(config)#ip sla schedule 1 ?
  ageout      How long to keep this Entry when inactive
  life        Length of time to execute in seconds
  recurring   Probe to be scheduled automatically every day
  start-time  When to start this entry
  <cr>

R1(config)#ip sla schedule 1 life ?
  <0-2147483647>  Life seconds (default 3600)
  forever         continue running forever

R1(config)#ip sla schedule 1 life forever ?
  ageout      How long to keep this Entry when inactive
  recurring   Probe to be scheduled automatically every day
  start-time  When to start this entry
  <cr>

R1(config)#ip sla schedule 1 life forever start-time ?
  after     Start after a certain amount of time from now
  hh:mm     Start time (hh:mm)
  hh:mm:ss  Start time (hh:mm:ss)
  now       Start now
  pending   Start pending

R1(config)#ip sla schedule 1 life forever start-time now

¹Ը塢R3dzǧƤߤ60äȤping¹ԤƤ뤳Ȥʬޤ

R3#
Feb  2 08:19:55.143: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1
Feb  2 08:20:55.035: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1
Feb  2 08:21:55.051: ICMP: echo reply sent, src 17.17.3.3, dst 12.12.12.1

ߤμ¹Ծǧˤshow ip sla statisticsޥɤѤޤ

R1#show ip sla statistics 1 details

Round Trip Time (RTT) for       Index 1
        Latest RTT: 8 milliseconds
Latest operation start time: 19:39:50.070 JST Wed Feb 2 2011
Latest operation return code: OK
Over thresholds occurred: FALSE
Number of successes: 20
Number of failures: 0
Operation time to live: Forever
Operational state of entry: Active
Last time this entry was reset: Never

slatrackޥɤʤɤȤ߹碌뤳ȤǡͥåȥãǤˤΤHSRP¹ԤʤɤȤȤ褦ˤʤޤ

ΥڡΥȥåץ

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