Untagged Vlan config

• Vlan is a layer 2 protocol to set up logical sub network.
• single subnetwork => untagged
• multiple subnetwork ==> tagged (ID in Ethernet frame) == IEEE802.1Q

• (Untagged) Vlan config for FIG 1 Across PP (linecard 5)

FIG1 Across PP

#sh vlan

Codes: * - Default VLAN, G - GVRP VLANs

Q: U - Untagged, T - Tagged

x - Dot1x untagged, X - Dot1x tagged

G - GVRP tagged, M - Vlan-stack

NUM Status Description Q Ports

* 1 Inactive

2 Active U Te 5/0,3

3 Active U Te 5/1-2

#

· Vlan config for FIG 2 Same PP (linecard 5)

FIG2 Same PP

#conf

(conf)#int vlan 20

(conf-if-vl-20)#untag ten 5/0

(conf-if-vl-20)#untag ten 5/1

(conf-if-vl-20)#exit

(conf)#int vlan 21

(conf-if-vl-21)#untag ten 5/2

(conf-if-vl-21)#untag ten 5/3

(conf)#exit

#sh vl

Codes: * - Default VLAN, G - GVRP VLANs, P - Primary, C - Community, I - Isolated

Q: U - Untagged, T - Tagged

x - Dot1x untagged, X - Dot1x tagged

G - GVRP tagged, M - Vlan-stack

NUM Status Description Q Ports

* 1 Inactive

20 Active U Te 5/0-1

21 Active U Te 5/2-3

Force10#

· MTU should be jumbo frame

con

int rang te 5/0 - 3

mtu 9252

exit

· Also check line rate

#sh int tengiga 5 | grep line-rate|TenGi