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Community Member

no traffic on vlan interfaces

Here's config...

interface FastEthernet0/10

switchport access vlan 10

no ip address

spanning-tree portfast

interface Vlan10

description cust2

ip address 1.1.6.37 255.255.255.252

ip access-group inbound in

ip access-group outbound out

interface FastEthernet0/11

switchport access vlan 11

no ip address

spanning-tree portfast

interface Vlan11

description cust3

ip address 1.1.7.41 255.255.255.252

ip access-group inbound in

ip access-group outbound out

Than I have another vlan the one pointing to router

interface FastEthernet0/1

switchport access vlan 14

no ip address

load-interval 30

duplex full

speed 100

spanning-tree portfast

interface Vlan14

description wireless

ip address 192.168.1.1 255.255.255.0

ip access-group inbound in

ip access-group outbound out

This all worked fine, there is nothing to wrong with L3 routing. The problem is there is traffic on physical ports and I can't see traffic on VLAN interfaces. For example when I execute this command show interface vlan 14. I can see some kb traffic while there is more than 10Mb traffic on Fe 0/1. Same for other vlans.

Port FastEthernet 0/1 is connected to upstream gateway while port fastethernet0/1 is a memeber of vlan14. Why there is no traffic on vlan interfaces while there is L3 inter-vlan routing on this switch.

2 REPLIES
Community Member

Re: no traffic on vlan interfaces

reply needed

Community Member

Re: no traffic on vlan interfaces

Would you please clear this further. If vlan interfaces not count traffic passed for routing, what about the access-list we configure on vlan interface? If L3 traffic passed via vlan interface it should be counted and than access-list can work. My question is, if there is no traffic on vlan interface how come my access list will work while I can't put access-list on physical interfaces.

In this way I will extremely encourage Extreme switches the way they give us access-list in layer 2/3 mode on physical ports.

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