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EtherChannel の練習
本エントリについて
Dynagen、Dynamips、vpcs を使って、EtherChannel を練習します。
Dynagen、Dynamips、vpcs の利用環境はすでに整っているものとします。
環境について
sw01 と sw02 間で、fa1/14、fa1/15 同士を使用して、EtherChannel を設定します。
[pc0] .1 (vlan10) fa1/0 [sw01] fa1/14 === fa1/14 [sw02] fa1/0 (vlan10) .2 pc2
[pc1] .2 (vlan11) fa1/4 fa1/15 === fa1/15 fa1/4 (vlan11) .2 pc3
Dynagen 設定ファイル抜粋
[[ROUTER sw01]]
model = 3725
slot1 = NM-16ESW
f1/0 = nio_tap:tap0
f1/4 = NIO_udp:30001:127.0.0.1:20001
f1/14 = r2 f1/14
f1/15 = r2 f1/15
[[ROUTER sw02]]
model = 3725
slot1 = NM-16ESW
f1/0 = NIO_udp:30000:127.0.0.1:20000
f1/4 = NIO_udp:30002:127.0.0.1:20002
追加するVLAN
| vlan | vlan name | nw address | default g/w |
|---|---|---|---|
| vlan10 | vlan0010 | 10.2.0.0/24 | 10.2.0.254 |
| vlan11 | vlan0011 | 10.2.1.0/24 | 10.2.1.254 |
sw01、sw02 とも下記の swithport 設定、ポートVLANの割り当てとする。
| port | mode | vlan |
|---|---|---|
| fa1/0 | access | vlan 10 |
| fa1/1 | access | vlan 10 |
| fa1/2 | access | vlan 10 |
| fa1/3 | access | vlan 10 |
| fa1/4 | access | vlan 11 |
| fa1/5 | access | vlan 11 |
| fa1/6 | access | vlan 11 |
| fa1/7 | access | vlan 11 |
| PC | address | sw : port | 備考 |
|---|---|---|---|
| pc0 | 10.2.0.1/24 | sw01 : fa1/0 | tap0 |
| pc1 | 10.2.0.2/24 | sw02 : fa1/0 | vpcs 1 |
| pc2 | 10.2.1.1/24 | sw01 : fa1/4 | vpcs 2 |
| pc3 | 10.2.1.2/24 | sw02 : fa1/4 | vpcs 3 |
startup.vpc
1
ip 10.2.0.2 10.2.0.254 24
2
ip 10.2.1.1 10.2.1.254 24
3
ip 10.2.1.2 10.2.1.254 24
4
5
6
7
8
9
1
基本設定
sw01、sw02 とも所定のVLANを作成し、ポートをVLANに割り当てます。
手順については割愛します。
sw01
sw01#show vlan-switch
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/8, Fa1/9, Fa1/10, Fa1/11
Fa1/12, Fa1/13, Fa1/14, Fa1/15
10 vlan0010 active Fa1/0, Fa1/1, Fa1/2, Fa1/3
11 vlan0011 active Fa1/4, Fa1/5, Fa1/6, Fa1/7
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 1002 1003
10 enet 100010 1500 - - - - - 0 0
11 enet 100011 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 1 1003
1003 tr 101003 1500 1005 0 - - srb 1 1002
1004 fdnet 101004 1500 - - 1 ibm - 0 0
1005 trnet 101005 1500 - - 1 ibm - 0 0
sw01#show int status
Port Name Status Vlan Duplex Speed Type
Fa1/0 connected 10 a-full a-100 10/100BaseTX
Fa1/1 notconnect 10 auto auto 10/100BaseTX
Fa1/2 notconnect 10 auto auto 10/100BaseTX
Fa1/3 notconnect 10 auto auto 10/100BaseTX
Fa1/4 connected 11 a-full a-100 10/100BaseTX
Fa1/5 notconnect 11 auto auto 10/100BaseTX
Fa1/6 notconnect 11 auto auto 10/100BaseTX
Fa1/7 notconnect 11 auto auto 10/100BaseTX
Fa1/8 notconnect 1 auto auto 10/100BaseTX
Fa1/9 notconnect 1 auto auto 10/100BaseTX
Fa1/10 notconnect 1 auto auto 10/100BaseTX
Fa1/11 notconnect 1 auto auto 10/100BaseTX
Fa1/12 notconnect 1 auto auto 10/100BaseTX
Fa1/13 notconnect 1 auto auto 10/100BaseTX
Fa1/14 connected 1 a-full a-100 10/100BaseTX
Fa1/15 connected 1 a-full a-100 10/100BaseTX
sw02
sw02#show vlan-switch
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/8, Fa1/9, Fa1/10, Fa1/11
Fa1/12, Fa1/13, Fa1/14, Fa1/15
10 vlan0010 active Fa1/0, Fa1/1, Fa1/2, Fa1/3
11 vlan0011 active Fa1/4, Fa1/5, Fa1/6, Fa1/7
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 1002 1003
10 enet 100010 1500 - - - - - 0 0
11 enet 100011 1500 - - - - - 0 0
1002 fddi 101002 1500 - 0 - - - 1 1003
1003 tr 101003 1500 1005 0 - - srb 1 1002
1004 fdnet 101004 1500 - - 1 ibm - 0 0
1005 trnet 101005 1500 - - 1 ibm - 0 0
sw02#show int status
Port Name Status Vlan Duplex Speed Type
Fa1/0 connected 10 a-full a-100 10/100BaseTX
Fa1/1 notconnect 10 auto auto 10/100BaseTX
Fa1/2 notconnect 10 auto auto 10/100BaseTX
Fa1/3 notconnect 10 auto auto 10/100BaseTX
Fa1/4 connected 11 a-full a-100 10/100BaseTX
Fa1/5 notconnect 11 auto auto 10/100BaseTX
Fa1/6 notconnect 11 auto auto 10/100BaseTX
Fa1/7 notconnect 11 auto auto 10/100BaseTX
Fa1/8 notconnect 1 auto auto 10/100BaseTX
Fa1/9 notconnect 1 auto auto 10/100BaseTX
Fa1/10 notconnect 1 auto auto 10/100BaseTX
Fa1/11 notconnect 1 auto auto 10/100BaseTX
Fa1/12 notconnect 1 auto auto 10/100BaseTX
Fa1/13 notconnect 1 auto auto 10/100BaseTX
Fa1/14 connected 1 a-full a-100 10/100BaseTX
Fa1/15 connected 1 a-full a-100 10/100BaseTX
EtherChannel 設定
EtherChannel には L2 と L3 のものがあります。
ここでは L2 EtherChannel を作成します。
作成した EtherChannel は trunk ポートとして利用します。
sw01
EtherChannel の設定をします。
sw01(config)#int range fa1/14 - 15
sw01(config-if-range)#switchport trunk encapsulation dot1q
sw01(config-if-range)#switchport mode trunk
sw01(config-if-range)#channel-group 1 mode on
作成した EtherChannel ポートを確認します。
sw01#show etherchannel summary
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) Fa1/14(P) Fa1/15(P)
sw01#show etherchannel detail
Channel-group listing:
-----------------------
Group: 1
----------
Group state = L2
Ports: 2 Maxports = 8
Port-channels: 1 Max Port-channels = 1
Ports in the group:
-------------------
Port: Fa1/14
------------
Port state = Up Mstr In-Bndl
Channel group = 1 Mode = On/FEC Gcchange = 0
Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1
Port index = 0
Age of the port in the current state: 00d:00h:00m:30s
Port: Fa1/15
------------
Port state = Up Mstr In-Bndl
Channel group = 1 Mode = On/FEC Gcchange = 0
Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1
Port index = 1
Age of the port in the current state: 00d:00h:00m:30s
Port-channels in the group:
----------------------
Port-channel: Po1
------------
Age of the Port-channel = 00d:00h:00m:32s
Logical slot/port = 8/0 Number of ports = 2
GC = 0x00010001 HotStandBy port = null
Port state = Port-channel Ag-Inuse
Ports in the Port-channel:
Index Port EC state
------+------+------------
0 Fa1/14 on
1 Fa1/15 on
Time since last port bundled: 00d:00h:00m:32s Fa1/15
設定したEtherChannel ポートについて、switch ポート、trunk ポート としての情報を確認します。
sw01#show int status
Port Name Status Vlan Duplex Speed Type
Fa1/0 connected 10 a-full a-100 10/100BaseTX
Fa1/1 notconnect 10 auto auto 10/100BaseTX
Fa1/2 notconnect 10 auto auto 10/100BaseTX
Fa1/3 notconnect 10 auto auto 10/100BaseTX
Fa1/4 connected 11 a-full a-100 10/100BaseTX
Fa1/5 notconnect 11 auto auto 10/100BaseTX
Fa1/6 notconnect 11 auto auto 10/100BaseTX
Fa1/7 notconnect 11 auto auto 10/100BaseTX
Fa1/8 notconnect 1 auto auto 10/100BaseTX
Fa1/9 notconnect 1 auto auto 10/100BaseTX
Fa1/10 notconnect 1 auto auto 10/100BaseTX
Fa1/11 notconnect 1 auto auto 10/100BaseTX
Fa1/12 notconnect 1 auto auto 10/100BaseTX
Fa1/13 notconnect 1 auto auto 10/100BaseTX
Fa1/14 connected trunk a-full a-100 10/100BaseTX
Fa1/15 connected trunk a-full a-100 10/100BaseTX
Po1 connected trunk a-full a-100 10/100BaseTX
sw01#show int trunk
Port Mode Encapsulation Status Native vlan
Po1 on 802.1q trunking 1
Port Vlans allowed on trunk
Po1 1-4094
Port Vlans allowed and active in management domain
Po1 1,10-11
Port Vlans in spanning tree forwarding state and not pruned
Po1 1,10-11
sw01#show int po1 switchport
Name: Po1
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: dot1q
Negotiation of Trunking: Disabled
Access Mode VLAN: 0 ((Inactive))
Trunking Native Mode VLAN: 1 (default)
Trunking VLANs Enabled: ALL
Trunking VLANs Active: 1,10-11
Protected: false
Priority for untagged frames: 0
Override vlan tag priority: FALSE
Voice VLAN: none
Appliance trust: none
sw02
EtherChannel の設定をします。
sw02(config)#int range fa1/14 - 15
sw02(config-if-range)#switchport trunk encapsulation dot1q
sw02(config-if-range)#switchport mode trunk
sw02(config-if-range)#channel-group 1 mode on
作成した EtherChannel ポートを確認します。
sw02#show etherchannel summary
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) Fa1/14(P) Fa1/15(P)
sw02#show etherchannel detail
Channel-group listing:
-----------------------
Group: 1
----------
Group state = L2
Ports: 2 Maxports = 8
Port-channels: 1 Max Port-channels = 1
Ports in the group:
-------------------
Port: Fa1/14
------------
Port state = Up Mstr In-Bndl
Channel group = 1 Mode = On/FEC Gcchange = 0
Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1
Port index = 0
Age of the port in the current state: 00d:00h:01m:12s
Port: Fa1/15
------------
Port state = Up Mstr In-Bndl
Channel group = 1 Mode = On/FEC Gcchange = 0
Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1
Port index = 1
Age of the port in the current state: 00d:00h:01m:11s
Port-channels in the group:
----------------------
Port-channel: Po1
------------
Age of the Port-channel = 00d:00h:01m:13s
Logical slot/port = 8/0 Number of ports = 2
GC = 0x00010001 HotStandBy port = null
Port state = Port-channel Ag-Inuse
Ports in the Port-channel:
Index Port EC state
------+------+------------
0 Fa1/14 on
1 Fa1/15 on
Time since last port bundled: 00d:00h:01m:13s Fa1/15
設定したEtherChannel ポートについて、switch ポート、trunk ポート としての情報を確認します。
sw02#show int status
Port Name Status Vlan Duplex Speed Type
Fa1/0 connected 10 a-full a-100 10/100BaseTX
Fa1/1 notconnect 10 auto auto 10/100BaseTX
Fa1/2 notconnect 10 auto auto 10/100BaseTX
Fa1/3 notconnect 10 auto auto 10/100BaseTX
Fa1/4 connected 11 a-full a-100 10/100BaseTX
Fa1/5 notconnect 11 auto auto 10/100BaseTX
Fa1/6 notconnect 11 auto auto 10/100BaseTX
Fa1/7 notconnect 11 auto auto 10/100BaseTX
Fa1/8 notconnect 1 auto auto 10/100BaseTX
Fa1/9 notconnect 1 auto auto 10/100BaseTX
Fa1/10 notconnect 1 auto auto 10/100BaseTX
Fa1/11 notconnect 1 auto auto 10/100BaseTX
Fa1/12 notconnect 1 auto auto 10/100BaseTX
Fa1/13 notconnect 1 auto auto 10/100BaseTX
Fa1/14 connected trunk a-full a-100 10/100BaseTX
Fa1/15 connected trunk a-full a-100 10/100BaseTX
Po1 connected trunk a-full a-100 10/100BaseTX
sw02#show int trunk
Port Mode Encapsulation Status Native vlan
Po1 on 802.1q trunking 1
Port Vlans allowed on trunk
Po1 1-4094
Port Vlans allowed and active in management domain
Po1 1,10-11
Port Vlans in spanning tree forwarding state and not pruned
Po1 1,10-11
sw02#show int po1 switchport
Name: Po1
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: dot1q
Negotiation of Trunking: Disabled
Access Mode VLAN: 0 ((Inactive))
Trunking Native Mode VLAN: 1 (default)
Trunking VLANs Enabled: ALL
Trunking VLANs Active: 1,10-11
Protected: false
Priority for untagged frames: 0
Override vlan tag priority: FALSE
Voice VLAN: none
Appliance trust: none
疎通確認
trunk ポートを介して、異なるスイッチ上の同じVLANに属する端末同士で疎通可能なことを確認します。
VPCS[1]> ping 10.2.0.1
10.2.0.1 icmp_seq=1 ttl=64 time=0.340 ms
10.2.0.1 icmp_seq=2 ttl=64 time=0.143 ms
10.2.0.1 icmp_seq=3 ttl=64 time=0.150 ms
10.2.0.1 icmp_seq=4 ttl=64 time=0.145 ms
10.2.0.1 icmp_seq=5 ttl=64 time=0.210 ms
VPCS[3]> ping 10.2.1.1
10.2.1.1 icmp_seq=1 ttl=64 time=0.105 ms
10.2.1.1 icmp_seq=2 ttl=64 time=0.127 ms
10.2.1.1 icmp_seq=3 ttl=64 time=0.180 ms
10.2.1.1 icmp_seq=4 ttl=64 time=0.155 ms
10.2.1.1 icmp_seq=5 ttl=64 time=0.131 ms
まとめ
Dynagen、Dynamips、vpcs を使って、EtherChannel を練習しました。
仮想環境のため、試せないことがいろいろあります。余裕があれば実機を購入して試したいところです。
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