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Trunk capacity

bvsnarayana03
Contributor
Contributor

Was curious to know, how to determine the trunk capacity of a switch ? Is there any cisco recommendation for this.

2 Replies 2

Amit Singh
Cisco Employee
Cisco Employee

Trunk capacity??? It depends on the type of ports you have in terms of bandwidth capacity. It depends on switch model numbers in terms on supports vlans to be carrid over the trunk links. Like some of the switches support 4K vlans, some 1K vlans, some 256 vlans.. etc...

HTH,

-amit singh

Sushil Kumar Katre
Rising star
Rising star

Hi,

If you want to know if the interface on the siwtch supports trunk and which encapsulation mode use -

show interface capabilities

Switch# show interfaces gigabitethernet0/2 capabilities

GigabitEthernet0/2

Model: WS-C3560-24PS

Type: 10/100/1000BaseTX

Speed: 10,100,1000,auto

Duplex: full,auto

Trunk encap. type: 802.1Q,ISL

Trunk mode: on,off,desirable,nonegotiate

Channel: yes

Broadcast suppression: percentage(0-100)

Flowcontrol: rx-(off,on,desired),tx-(none)

Fast Start: yes

QoS scheduling: rx-(not configurable on per port basis),tx-(4q2t)

CoS rewrite: yes

ToS rewrite: yes

UDLD: yes

Inline power: no

SPAN: source/destination

PortSecure: yes

Dot1x: yes

-> Sushil

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