■(GNS3)IOUでL2 Port-channelを試してみる。 以下c3725のIOU版 GNS3でL2のPortChannelを作成してみる。 http://labunix.hateblo.jp/entry/20160507/1462563152 ■IOU L2 15.1aを2台、「add Link」で e3/2-3を接続。 int range e 3/2-3 duplex full switchport switchport trunk encapsulation dot1q switchport mode trunk switchport trunk allowed vlan 100,200 channel-group 1 mode on no shut end write CiscoIOUL215.1a-1#show etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) - Et3/2(P) Et3/3(P) CiscoIOUL215.1a-1#show etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) - Et3/2(P) Et3/3(P) CiscoIOUL215.1a-1#show etherchannel Channel-group listing: ---------------------- Group: 1 ---------- Group state = L2 Ports: 2 Maxports = 4 Port-channels: 1 Max Port-channels = 1 Protocol: - Minimum Links: 0 ■vlan100でping疎通確認 conf t vlan 100 name TEST100 int Vlan100 ip address 192.168.100.1 255.255.255.252 no shut end write mem conf t vlan 100 name TEST100 int Vlan100 ip address 192.168.100.2 255.255.255.252 no shut end write mem CiscoIOUL215.1a-1#show interfaces summary | inc 3/[23]|Po * Ethernet3/2 0 0 0 0 0 0 0 0 0 * Ethernet3/3 0 0 0 0 0 0 0 0 0 * Port-channel1 0 0 0 0 0 0 0 0 0 CiscoIOUL215.1a-2#show interfaces summary | inc 3/[23]|Po * Ethernet3/2 0 0 0 0 0 0 0 0 0 * Ethernet3/3 0 0 0 0 0 0 0 0 0 * Port-channel1 0 0 0 0 0 0 0 0 0 CiscoIOUL215.1a-2#ping 192.168.100.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.100.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms CiscoIOUL215.1a-1#ping 192.168.100.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.100.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms CiscoIOUL215.1a-1#show spanning-tree vlan 100 VLAN0100 Spanning tree enabled protocol ieee Root ID Priority 32868 Address aabb.cc00.0100 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32868 (priority 32768 sys-id-ext 100) Address aabb.cc00.0100 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Po1 Desg FWD 56 128.65 Shr CiscoIOUL215.1a-1#show ip route Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP + - replicated route, % - next hop override Gateway of last resort is not set 192.168.100.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.100.0/30 is directly connected, Vlan100 L 192.168.100.1/32 is directly connected, Vlan100 CiscoIOUL215.1a-2#show ip route Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP + - replicated route, % - next hop override Gateway of last resort is not set 192.168.100.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.100.0/30 is directly connected, Vlan100 L 192.168.100.2/32 is directly connected, Vlan100