Lab 13. Etherchannel PagP

PagP ada 2 yaitu : 

- Desirable 

- Auto

Berikut tabel yang bisa teman-teman lihat untuk memahami lab ini.

SW1  SW2  EtherChannel?

Desirable  Desirable  Yes

Auto  Desirable  Yes

Desirable  Auto  Yes

Auto  Auto  No

Berikut konfigurasiya :

SW-1

SW1(config)#interface range e0/0-2

SW1(config-if-range)#channel-group 1 mode desirable

Creating a port-channel interface Port-channel 1

SW1(config-if-range)#interface port-channel 1

SW1(config-if)#switchport trunk encapsulation dot1q

SW1(config-if)#switchport mode trunk

SW1(config-if)#exit

SW-2

SW2(config)#interface range e0/0-2

SW2(config-if-range)#channel-group 1 mode auto

Creating a port-channel interface Port-channel 1

SW2(config-if-range)#interface port-channel 1

SW2(config-if)#switchport trunk encapsulation dot1q

SW2(config-if)#switchport mode trunk

SW2(config-if)#exit

Kita verifikasi

SW-1

SW1#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 N - not in use, no aggregation

 f - failed to allocate aggregator

 M - not in use, minimum links not met

 m - not in use, port not aggregated due to minimum links not met

 u - unsuitable for bundling

 w - waiting to be aggregated

 d - default port

 A - formed by Auto LAG

Number of channel-groups in use: 1 Number of aggregators: 1

Group Port-channel Protocol Ports

------+-------------+-----------+-------------------------------------------

----

1 Po1(SU) PAgP Et0/0(P) Et0/1(P) Et0/2(P) 

SW-1

SW1#show interface 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

Port Vlans in spanning tree forwarding state and not pruned

Po1 1

SW-1

SW1#show spanning-tree vlan 1

 VLAN0001

 Spanning tree enabled protocol ieee

 Root ID Priority 32769

 Address aabb.cc00.0100

 This bridge is the root

 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

 Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)

 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 47.................................. 128.65 P2p