[c-nsp] Vlans on an ASR9000

[Brian Christopher Raaen]

As Promised here are some example configs.  In this example I have an
untagged port (GigabitEthernet0/1/0/2) connected to a CPE and a 802.1q
tagged port (GigabitEthernet0/1/0/1) connected to another switch which
has another CPE in vlan 200.

interface GigabitEthernet0/1/0/1
 negotiation auto
!
interface GigabitEthernet0/1/0/1.1 l2transport
 encapsulation untagged
!
interface GigabitEthernet0/1/0/1.200 l2transport
 encapsulation dot1q 200
 rewrite ingress tag pop 1 symmetric
!
interface GigabitEthernet0/1/0/2
!
interface GigabitEthernet0/1/0/2.200 l2transport
 encapsulation untagged
!
interface BVI1
 description Internal LAN
 ipv4 address 192.0.2.254 255.255.255.0
!
interface BVI200
 description Customer 001 Vlan
 ipv4 address 198.51.100.254 255.255.255.0
!
l2vpn
 bridge group 1
  bridge-domain BD_1
   interface GigabitEthernet0/1/0/3.1
   !
   routed interface BVI1
  !
 !
 bridge group 200
  bridge-domain BD_200
   interface GigabitEthernet0/1/0/3.200
   !
   interface GigabitEthernet0/1/0/39.200
   !
   routed interface BVI200
  !
 !
!
router hsrp
 interface BVI1
  hsrp 1 ipv4 192.0.2.1
  hsrp 1 priority 110
 !
 interface BVI200
  hsrp 2 ipv4 198.51.100.1
  hsrp 2 priority 120
 !
!


On Wed, Dec 21, 2011 at 3:43 PM, Brian Christopher Raaen
<mailing-lists at brianraaen.com> wrote:
> I am currently working on replacing two 7200's and a 3750 switch with
> an ASR9000 Router for a 10G upgrade.  Currently the 3750 is only
> preforming layer2 functions and the two routers connect to it via
> 802.1q trunks.  The switch then hands off a 802.1q trunk to other
> downstream switches.  I am unsure of how to configure the ports on the
> ASR to allow me to put more than one port in a vlan.  I have tried
> going through the different configuration guides and think that either
> the would do something like the l2vpn set or the IRB setup listed in
> the "Cisco ASR 9000 Series Aggregation Services Router Interface and
> Hardware Component Configuration Guide".  If I were using a 6500 or
> 7600 I know how I would set up the ports, however I am unsure how I
> would do it in the ASR.  I am wondering about the best way to set this
> up, or if I really shouldn't be using the 40 Port linecard for
> switching/layer2 functions.  Thanks for any input and I'd really
> appreciate any configuration snippets.
>
> ---
> Brian Raaen
> Zcorum
> Network Architect
> braaen at zcorum.com