notice the aggregated bandwidth upon showing the channel...
dsw1#sh int po1
Port-channel1 is up, line protocol is up (connected)
Hardware is EtherChannel, address is 000f.8ffe.0980 (bia 000f.8ffe.0980)
Internet address is 10.1.4.13/30
MTU 1500 bytes, BW 200000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, media type is 10/100BaseTX
can't get that with spanning tree in effect, but...
there are two trunk links per 2950 switch from each dsw as in the diagram... the channel is conspicuously missing from the out put of spanning tree...
VLAN0010
Spanning tree enabled protocol ieee
Root ID Priority 20490
Address 000f.8ffe.0980
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 20490 (priority 20480 sys-id-ext 10)
Address 000f.8ffe.0980
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Fa0/3 Desg FWD 19 128.3 P2p
Fa0/4 Desg FWD 19 128.4 P2p
and in the output of sh vlan brief the channel (fa0/1 - 2) as well as both fa0/3 and 4 are all missing... they're kinda busy...
dsw1#sh vlan brie
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi0/1, Gi0/2
10 data active Fa0/6, Fa0/7, Fa0/8, Fa0/9
Fa0/10, Fa0/11, Fa0/12, Fa0/13
Fa0/14, Fa0/15, Fa0/16, Fa0/17
Fa0/18, Fa0/19, Fa0/20, Fa0/21
Fa0/22, Fa0/23, Fa0/24
network cisco ccna gns3 certification arteq
a network runs through it
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