[c-nsp] EoMPLS between 7600 & 7200 config clarification

Phil Bedard philxor at gmail.com
Wed Feb 6 10:57:51 EST 2008


I've used this to fake local switching as well and it works fine.   
Since another limitation is the inability to do VPLS, you have to work  
with hokey solutions or purchase expensive gear, or use another vendor.

Phil

On Feb 6, 2008, at 4:54 AM, Peter Rathlev wrote:

> On Wed, 2008-02-06 at 10:28 +0100, Michel Renfer wrote:
>>> EoMPLS Port Mode uses a physical interface to transport "raw"  
>>> Ethernet
>>> frames, not just a single VLAN, which means you can run trunks  
>>> through
>>> it. We use it as a cheap way of having local switching using LAN
>>> cards.
>>
>> How do you configure local switching with LAN cards? We didn't find  
>> any
>> workarround for this except MUX-UNI...
>
> I'm afraid MUX-UNI doesn't give you local switching. For EoMPLS Port
> Mode we use a local cable between two ports, configured like this:
>
> interface GigabitEthernet1/1
> description EoMPLS test
> switchport trunk encapsulation dot1q
> switchport mode trunk
> switchport nonegotiate
> mtu 9216
> no ip address
> udld port
> !
> interface GigabitEthernet1/2
> description EoMPLS port to other side
> mtu 9216
> no ip address
> no cdp enable
> xconnect 10.0.0.1 10 encapsulation mpls
> !
>
> The other PE is 10.0.0.1 and the "10" is a VC ID, so you can run  
> several
> VCs between boxen. We use SFP ports for this, but TX should do just as
> fine. The configuration is mirrored on the other side.
>
> R1#show mpls l2transport vc 10 detail
> Local interface: Gi1/2 up, line protocol up, Ethernet up
>  Destination address: 10.0.0.1, VC ID: 10, VC status: up
>    Tunnel label: 17, next hop 10.250.0.1
>    Output interface: Gi4/1, imposed label stack {17 23}
>  Create time: 1d20h, last status change time: 1d19h
>  Signaling protocol: LDP, peer 10.0.0.1:0 up
>    MPLS VC labels: local 347, remote 23
>    Group ID: local 0, remote 0
>    MTU: local 9216, remote 9216
>    Remote interface description: EoMPLS test
>  Sequencing: receive disabled, send disabled
>  VC statistics:
>    packet totals: receive 189264, send 27466
>    byte totals:   receive 46687592, send 31546927
>    packet drops:  receive 0, send 0
>
> R1#show udld neighbors
> Port     Device Name   Device ID     Port ID    Neighbor State
> ----     -----------   ---------     -------    --------------
> Gi1/1    SAL092642W6     1            Gi1/1      Bidirectional
> R1#
> R1#show cdp neighbors Gi1/1 detail
> -------------------------
> Device ID: R2
> Entry address(es):
>  IP address: 172.16.0.1
> Platform: cisco WS-C6506-E,  Capabilities: Router Switch IGMP
> Interface: GigabitEthernet1/1,  Port ID (outgoing port):
> GigabitEthernet1/1
> Holdtime : 124 sec
>
> Version :
> Cisco Internetwork Operating System Software
> IOS (tm) s72033_rp Software (s72033_rp-ADVENTERPRISEK9_WAN-M), Version
> 12.2(18)SXF5, RELEASE SOFTWARE (fc3)
> Technical Support: http://www.cisco.com/techsupport
> Copyright (c) 1986-2006 by cisco Systems, Inc.
> Compiled Sat 08-Jul-06 02:54 by kellythw
>
> advertisement version: 2
> VTP Management Domain: 'POP2'
> Native VLAN: 1
> Duplex: full
> R1#
>
> Regards,
> Peter
>
>
>
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