2014年2月19日星期三

3750 vlan interface

Is there way to WS-C3750V2-24TS-S   create a vlan interface that wouldn't be routed, like on a layer 2 switch ?

I'd like to use this interface on a layer 2 isolated network, only to managed the c3750 by ssh.

ardhuin-s wrote:

sorry, I wasn't clear about the deploment :

I have a c3750 stack with 10vlans and 8 interfaces vlan :

Vlan1                  10.114.253.254  YES NVRAM  up                    up     

Vlan2                  10.114.1.254    YES NVRAM  up                    up     

Vlan10                 10.114.10.254   YES NVRAM  up                    up     

Vlan11                 10.114.11.254   YES NVRAM  up                    up     

Vlan12                 10.114.12.254   YES NVRAM  up                    up     

Vlan249                10.114.249.254  YES NVRAM  up                    down   

Vlan250                10.114.250.254  YES NVRAM  up                    up     

Vlan252                10.114.252.254  YES NVRAM  up                    down

with the "ip routing" activated

So there's a route created automatically for the vlan interfaces/subnet :

     10.0.0.0/24 is subnetted, 6 subnets

C       10.114.10.0 is directly connected, Vlan10

C       10.114.11.0 is directly connected, Vlan11

C       10.114.12.0 is directly connected, Vlan12

C       10.114.1.0 is directly connected, Vlan2

C       10.114.250.0 is directly connected, Vlan250

C       10.114.253.0 is directly connected, Vlan1

S*   0.0.0.0/0 [1/0] via 10.114.250.1

I'd like to create an interface vlan 254 with an ip address that would not appear in the routing table.

I don't want the subnet of vlan 254 to be routed by the c3750 stack.


The global routing table will contain all the routes.  If you want to have a separate routing table for your management only, then you need to create a VRF and put your management vlan in that VRF.  This  WS-C3750X-48T-S   way you have complete separations between global and VRF tables.

没有评论:

发表评论