Cisco WS-X6248-RJ-45 - Catalyst 6000 Expansion Module Manual de usuario descargar pdf (Pagina 25)

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Layer 2 EtherChannels

All interfaces are grouped together in a common channel-group and the subsequent interface port-channel is

conﬁgured as a switchport. The channel protocol (PAgPor LACP) automatically createsthe Port-Channel 1 interface

when the channel-group command is enabled on the physical interface.

*Defaults to PAgP for negotiation

Layer 3 EtherChannels with SVIs

Layer 3 EtherChannels with SVIs are formed like the Layer 2 EtherChannels with the addition of a Layer 3 SVI for

routing functionality. This is the method for conﬁguring Layer 3 EtherChannels with Layer 2 VLANs providing the

transport and SVIs providing the VLAN termination and routing.

Layer 3 EtherChannels

True Layer 3 EtherChannels are only speciﬁc to an IP subnet, not to a Layer 2 VLAN. As with the previously

described routed interface, this is a concept only available in Cisco IOS Software. The following is an example of the

command line syntax for conﬁguring a Layer 3 EtherChannel.

CatOS Cisco IOS Software

set port channel 3/1 – 8 1 desirable

set trunk 3/1 – 8 dot1q

interface range fa3/1 - 8

no shut

channel-group 1 mode desirable

interface port-channel 1

switchport

switchport trunk encap dot1q

no shut

CatOS Cisco IOS Software

Catalyst OS config:

set port channel 3/1–8 2 desirable

set spantree portfast 3/1-8

set vlan 10 3/1-8

MSFC config:

int vlan 10

ip address 10.10.10.1 255.255.255.0

interface range fa3/1 - 8

no shut

channel-group 1 mode desirable

interface port-channel 1

switchport

switchport mode access

no shut

int vlan 10

ip address 10.10.10.1 255.255.255.0

CatOS Cisco IOS Software

No Catalyst OS equivalent

int range fa3/1 – 8

channel-group 1 mode desirable

interface port-channel 1

ip address 10.10.10.1 255.255.255.0

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