2023.03.09 - [네트워크 수업] - EtherChannel.pdf 23.03.09
( GNS3에서는 L3 ether channel 구성이 안됨. L2 Ether Channel로 구성 가능)
밑에 200대 이상 씩 붙으면 같은 bandwidth 로 갈수 없다.
최소 GB를 써서 가야한다.
물리적으로 gb를 못쓰면 논리적으로 몇백대 묶고 나눠준다.
SW1제외 모두 no ip routing으로 하면 S I 로 바꿔준다
이제 cdp neighbor로 보면서 작성해준다.
##지우는 방법
do show etherchannel summary
죽으면 (d)로 나타남 =>이상한거
no int port-channel 3
default int f1/2(해당 인터페이스) =>default 하면 sw가 desable로 된다.
do show etherchannel summary 로 재확인
다시 만들려면 int f1/2 에서 shut → no shut해야한다.
==
show int port-channel 1
하면 200000 kbit/s 가 논리적으로 늘어난것을 볼수있다.
SW1(config)#vlan 12
SW1(config-vlan)#exit
SW1(config)#vlan 13
SW1(config-vlan)#exit
SW1(config)#do show cdp neigh
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater
Device ID Local Intrfce Holdtme Capability Platform Port ID
SW2 Fas 1/1 175 R S I 3660 Fas 1/1
SW2 Fas 1/0 175 R S I 3660 Fas 1/0
SW3 Fas 1/3 174 R S I 3660 Fas 1/2
SW3 Fas 1/2 174 R S I 3660 Fas 1/1
SW1(config)#int range f1/0 - 1
SW1(config-if-range)#sw mod ac
SW1(config-if-range)#sw ac vlan 12
SW1(config-if-range)#channel-group 1 mode on
SW1(config-if-range)#int range f1/2 - 3
SW1(config-if-range)#sw mo ac
SW1(config-if-range)#sw ac vlan 13
SW1(config-if-range)#channel-group 2 mode on
SW1#show ether summ
Flags: D - down P - in port-channel
I - stand-alone s - suspended
R - Layer3 S - Layer2
U - in use
Group Port-channel Ports
-----+------------+-----------------------------------------------------------
1 Po1(SU) Fa1/0(P) Fa1/1(P)
2 Po2(SU) Fa1/2(P) Fa1/3(P)
SW1(config)#int vlan 12
SW1(config-if)#ip add 1.1.12.1 255.255.255.0
SW1(config-if)#exit
SW1(config)#int vlan 13
SW1(config-if)#ip add 1.1.13.1 255.255.255.0
SW1(config-if)#int loo0
SW1(config-if)#ip add 1.1.1.1 255.255.255.0
SW1(config-if)#
SW1#show ip int brie
Vlan12 1.1.12.1 YES manual up up
Vlan13 1.1.13.1 YES manual up up
Loopback0 1.1.1.1 YES manual up up
===
SW2(config)#vlan 12
SW2(config-vlan)#vlan 10
SW2(config-vlan)#vlan 20
SW2(config-vlan)#do show cdp neigh
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater
Device ID Local Intrfce Holdtme Capability Platform Port ID
SW4 Fas 1/3 130 S I 3660 Fas 1/2
SW4 Fas 1/2 130 S I 3660 Fas 1/1
SW1 Fas 1/1 122 R S I 3660 Fas 1/1
SW1 Fas 1/0 122 R S I 3660 Fas 1/0
SW2(config)#int range f1/0 - 1
SW2(config-if-range)#channel-group 1 mode on
Creating a port-channel interface Port-channel1
SW2(config-if-range)#sw mode ac
SW2(config-if-range)#sw ac vlan 12
SW2(config-if-range)#int range f1/2 - 3
SW2(config-if-range)#sw trunk en dot
SW2(config-if-range)#sw mode trunk
SW2(config-if-range)#channel-group 3 mode on
SW2#show ether summ
Flags: D - down P - in port-channel
I - stand-alone s - suspended
R - Layer3 S - Layer2
U - in use
Group Port-channel Ports
-----+------------+-----------------------------------------------------------
1 Po1(SU) Fa1/0(P) Fa1/1(P)
3 Po3(SU) Fa1/2(P) Fa1/3(P)
SW2(config)#int vlan 12
SW2(config-if)#ip add 1.1.12.2 255.255.255.0
SW2(config-if)#int vlan 10
SW2(config-if)#ip add 1.1.10.252 255.255.255.0
SW2(config-if)#int vlan 20
SW2(config-if)#ip add 1.1.20.252 255.255.255.0
SW2(config-if)#do show ip int brie
Vlan10 1.1.10.252 YES manual up up
Vlan12 1.1.12.2 YES manual up up
Vlan20 1.1.20.252 YES manual up up
SW2(config-if)#
====
SW3(config)#vlan 10
SW3(config-vlan)#vlan 20
SW3(config-vlan)#vlan 13
SW3(config-vlan)#exit
SW3(config)#do show cdp neigh
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater
Device ID Local Intrfce Holdtme Capability Platform Port ID
SW4 Fas 1/4 146 S I 3660 Fas 1/4
SW4 Fas 1/3 146 S I 3660 Fas 1/3
SW1 Fas 1/2 138 R S I 3660 Fas 1/3
SW1 Fas 1/1 138 R S I 3660 Fas 1/2
SW3(config)#int range f1/1 - 2
SW3(config-if-range)#swit mode acc
SW3(config-if-range)#sw acc vlan 13
SW3(config-if-range)#channel-group 2 mode on
SW3(config-if-range)#int range f1/3 - 4
SW3(config-if-range)#sw trun enc dot
SW3(config-if-range)#sw mode trun
SW3(config-if-range)#channel-group 4 mode on
SW3#show ether summ
Flags: D - down P - in port-channel
I - stand-alone s - suspended
R - Layer3 S - Layer2
U - in use
Group Port-channel Ports
-----+------------+-----------------------------------------------------------
2 Po2(SU) Fa1/1(P) Fa1/2(P)
4 Po4(SU) Fa1/3(P) Fa1/4(P)
SW3(config)#int vlan 10
SW3(config-if)#ip add 1.1.10.253 255.255.255.0
SW3(config-if)#int vlan 20
SW3(config-if)#ip add 1.1.20.253 255.255.255.0
SW3(config-if)#int vlan 13
SW3(config-if)#ip add 1.1.13.3 255.255.255.0
SW3(config-if)#do show ip int brie
Vlan10 1.1.10.253 YES manual up up
Vlan13 1.1.13.3 YES manual up up
Vlan20 1.1.20.253 YES manual up up
====
SW4(config)#vlan 10
SW4(config-vlan)#vlan 20
SW4(config-vlan)#int f1/5
SW4(config-if)#swi mode acc
SW4(config-if)#sw acc vlan 10
SW4(config-if)#int f1/6
SW4(config-if)#swi mode acc
SW4(config-if)#sw acc vlan 20
SW4(config-if)#exit
SW4(config)#do show cdp neigh
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater
Device ID Local Intrfce Holdtme Capability Platform Port ID
SW2 Fas 1/2 163 R S I 3660 Fas 1/3
SW2 Fas 1/1 163 R S I 3660 Fas 1/2
SW3 Fas 1/4 162 R S I 3660 Fas 1/4
SW3 Fas 1/3 162 R S I 3660 Fas 1/3
SW4(config)#int range f1/1 - 2
SW4(config-if-range)#swi trunk enc dot
SW4(config-if-range)#sw mode trunk
SW4(config-if-range)#channel-group 2 mode on
Creating a port-channel interface Port-channel2
SW4(config-if-range)#int range f1/3 - 4
SW4(config-if-range)#sw trun enc dot
SW4(config-if-range)#sw mode trunk
SW4(config-if-range)#channel-group 4 mode on
SW4#show ether summ
Flags: D - down P - in port-channel
I - stand-alone s - suspended
R - Layer3 S - Layer2
U - in use
Group Port-channel Ports
-----+------------+-----------------------------------------------------------
2 Po2(SU) Fa1/1(P) Fa1/2(P)
4 Po4(SU) Fa1/3(P) Fa1/4(P)
====
PC1(config)#int f0/0
PC1(config-if)#no shut
PC1(config-if)#ip add 1.1.10.1 255.255.255.0
PC1(config-if)#exit
PC1(config)#ip default-gateway 1.1.10.100
===
PC2(config)#int f0/0
PC2(config-if)#no shut
PC2(config-if)#ip add 1.1.20.1 255.255.255.0
PC2(config-if)#ip default-gateway 1.1.20.100
===
svi(L3)의 속도와 port channel(L2)의 속도도 같아야한다
vlan10, 20 두개 bandwidth 가 200000, 100000으로 다른것을 알수있다.
SW1(config)#do show int port-channel 1
Port-channel1 is up, line protocol is up
Hardware is EtherChannel, address is cc01.2cc0.f100 (bia cc01.2cc0.f100)
MTU 1500 bytes, BW 200000 Kbit/sec, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
SW1(config)#do show int vlan 12
Vlan12 is up, line protocol is up
Hardware is EtherSVI, address is cc01.0df8.0000 (bia cc01.0df8.0000)
Internet address is 1.1.12.1/24
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
SW1(config)#int vlan 12
SW1(config-if)#bandwidth 200000
SW1(config-if)#int vlan 13
SW1(config-if)#bandwidth 200000
SW1(config-if)#int vlan 12
SW1(config-if)#bandwidth 200000
SW2(config)#int vlan 12
SW2(config-if)#bandwidth 200000
SW2(config-if)#int vlan 10
SW2(config-if)#bandwidth 200000
SW2(config-if)#int vlan 20
SW2(config-if)#bandwidth 200000
SW3(config)#int vlan 13
SW3(config-if)#bandwidth 200000
SW3(config-if)#int vlan 10
SW3(config-if)#bandwidth 200000
SW3(config-if)#int vlan 20
SW3(config-if)#bandwidth 200000
SW4는 svi가 없으니까 안해줘도됨
>>수업시간에 ping 오류남.. gns오류..
>>근데 그냥 ping 1.1.12.2 repeat 100 해줘서 강제로 많이 날려주면 통신된다...운좋게 된듯;;
===
SW1(config)#ip route 1.1.10.0 255.255.255.0 vlan 12 1.1.12.2
SW1(config)#ip route 1.1.10.0 255.255.255.0 vlan 13 1.1.13.3
SW1(config)#ip route 1.1.20.0 255.255.255.0 vlan 12 1.1.12.2
SW1(config)#ip route 1.1.20.0 255.255.255.0 vlan 13 1.1.13.3
SW2(config)#ip route 0.0.0.0 0.0.0.0 vlan 12 1.1.12.1
SW3(config)#ip route 0.0.0.0 0.0.0.0 vlan 13 1.1.13.1
===
↓ vlan 12,13이 오류나서 f1/14, f1/15로 바꿔줌
SW1]
conf t
int lo0
ip add 1.1.1.1 255.255.255.0
exit
int f1/14
no sw
ip add 1.1.12.1 255.255.255.0
exit
int f1/15
no sw
ip add 1.1.13.1 255.255.255.0
exit
ip route 1.1.10.0 255.255.255.0 f1/14 1.1.12.2
ip route 1.1.10.0 255.255.255.0 f1/15 1.1.13.3
ip route 1.1.20.0 255.255.255.0 f1/14 1.1.12.2
ip route 1.1.20.0 255.255.255.0 f1/15 1.1.13.3
SW2]
vlan 10
exit
vlan 20
exit
int range f1/2 - 3
sw tr enc dot
sw mo tr
channel-group 3 mo on
exit
int f1/14
no sw
ip add 1.1.12.2 255.255.255.0
exit
int vlan 10
ip add 1.1.10.252 255.255.255.0
standby 10 ip 1.1.10.100
standby 10 priority 120
standby 10 preempt delay minimum 5
standby 10 track f1/14 30
exit
int vlan 20
ip add 1.1.20.252 255.255.255.0
standby 20 ip 1.1.20.100
standby 20 preempt
exit
ip route 0.0.0.0 0.0.0.0 f1/14 1.1.12.1
SW3]
vlan 10
exit
vlan 20
exit
int range f1/3 - 4
sw tr enc dot
sw mo tr
channel-group 4 mo on
exit
int f1/15
no sw
ip add 1.1.13.3 255.255.255.0
exit
int vlan 10
ip add 1.1.10.253 255.255.255.0
standby 10 ip 1.1.10.100
standby 10 preempt
exit
int vlan 20
ip add 1.1.20.253 255.255.255.0
standby 20 ip 1.1.20.100
standby 20 priority 120
standby 20 preempt delay minimum 5
standby 20 track f1/15 30
exit
ip route 0.0.0.0 0.0.0.0 f1/15 1.1.13.1
SW4]
no ip routing
vlan 10
exit
vlan 20
exit
int f1/5
sw mo ac
sw ac vlan 10
exit
int f1/6
sw mo ac
sw ac vlan 20
exit
int range f1/1 - 2
sw tr enc dot
sw mo tr
channel-group 3 mo on
exit
int range f1/3 - 4
sw tr enc dot
sw mo tr
channel-group 4 mo on
exit
PC1]
conf t
no ip routing
ip default-gateway 1.1.10.100
int f0/0
no sh
ip add 1.1.10.1 255.255.255.0
do wr
PC2]
conf t
no ip routing
ip default-gateway 1.1.20.100
int f0/0
no sh
ip add 1.1.20.2 255.255.255.0
do wr
최종
SW1]
vlan 12
exit
vlan 13
exit
int range f1/0 - 1
sw mo ac
sw ac vlan 12
channel-group 1 mo on
exit
int range f1/2 - 3
sw mo ac
sw ac vlan 13
channel-group 2 mo on
exit
int vlan 12
ip add 1.1.12.1 255.255.255.0
bandwidth 200000
exit
int vlan 13
ip add 1.1.13.1 255.255.255.0
bandwidth 200000
exit
ip route 1.1.10.0 255.255.255.0 vlan 12 1.1.12.2
ip route 1.1.10.0 255.255.255.0 vlan 13 1.1.13.3
ip route 1.1.20.0 255.255.255.0 vlan 12 1.1.12.2
ip route 1.1.20.0 255.255.255.0 vlan 13 1.1.13.3
SW2]
vlan 12
exit
vlan 10
exit
vlan 20
exit
int range f1/0 - 1
sw mo ac
sw ac vlan 12
channel-group 1 mo on
exit
int range f1/2 - 3
sw tr enc dot
sw mo tr
channel-group 3 mo on
exit
int vlan 12
ip add 1.1.12.2 255.255.255.0
bandwidth 200000
exit
int vlan 10
ip add 1.1.10.252 255.255.255.0
bandwidth 200000
standby 10 ip 1.1.10.100
standby 10 priority 120
standby 10 preempt delay minimum 5
standby 10 track port-channel 1 30
exit
int vlan 20
ip add 1.1.20.252 255.255.255.0
bandwidth 200000
standby 20 ip 1.1.20.100
standby 20 preempt
exit
ip route 0.0.0.0 0.0.0.0 vlan 12 1.1.12.1
SW3]
vlan 13
exit
vlan 10
exit
vlan 20
exit
int range f1/1 - 2
sw mo ac
sw ac vlan 13
channel-group 2 mo on
exit
int range f1/3 - 4
sw tr enc dot
sw mo tr
channel-group 4 mo on
exit
int vlan 13
ip add 1.1.13.3 255.255.255.0
bandwidth 200000
exit
int vlan 10
ip add 1.1.10.253 255.255.255.0
bandwidth 200000
standby 10 ip 1.1.10.100
standby 10 preempt
exit
int vlan 20
ip add 1.1.20.253 255.255.255.0
bandwidth 200000
standby 20 ip 1.1.20.100
standby 20 priority 120
standby 20 preempt delay minimum 5
standby 20 track port-channel 2 30
exit
ip route 0.0.0.0 0.0.0.0 vlan 13 1.1.13.1
SW4]
no ip routing
vlan 10
exit
vlan 20
exit
int f1/5
sw mo ac
sw ac vlan 10
exit
int f1/6
sw mo ac
sw ac vlan 20
exit
int range f1/1 - 2
sw tr enc dot
sw mo tr
channel-group 3 mo on
exit
int range f1/3 - 4
sw tr enc dot
sw mo tr
channel-group 4 mo on
exit
PC1]
conf t
no ip routing
ip default-gateway 1.1.10.100
int f0/0
no sh
ip add 1.1.10.1 255.255.255.0
do wr
PC2]
conf t
no ip routing
ip default-gateway 1.1.20.100
int f0/0
no sh
ip add 1.1.20.2 255.255.255.0
do wr
Ether-channel 지우는 방법
>>ether-channel 3(f1/3 - f1/4)
show etherchannel summary
sh ip int b
conf t
no int port channel 3
default interface range fastEthernet 1/3 - 4 //이 커맨드 적용을 위해서는 sh -> no sh 과정 필요
int range f1/3 - 4
sh
no sh
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