ETHERCHANNEL PAGP - SWITCHING TECHNOLOGIES #13 ( CCNP )

 SWITCHING TECHNOLOGIES #13 :

ETHERCHANNEL PAGP 

 

Untuk lab ini menggunakan Pagp Etherchannel, PagP ini etherchannel
milik cisco jadi di vendor lain tidak ada. Mode yang bisa digunakan untuk
membentuk etherchannel PagP ada 2 yaitu :
- Desirable
- Auto

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

Berikut konfigurasinya

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

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