[c-nsp] EoMPLS with Port-channel with 8GE interfaces.

[Antal Gergely]

Maarten Moerman wrote:
> Hi,
> 
> I have a kind of problem at the moment which I'll try to explain here.
> 
> Diagram:
> 
>  sw1 with 4 * GE--> 4 * GE @ r1 @ 10GE--> 10GE @ r2 4 * GE--> 4 * GEsw2
> 
> sw1 + sw2 = 6509 with 6748 blades
> r1 + r2 = 7604 with 6748 blades, and their interconnects are on 10GE xenpaks
> on 6704 10GE blades
> 
> On sw1 +2 I have:
> 
> Int port-channel1
> Trunk encaps dot1q (multiple vlan)
> 
> Int giga x/1-4
> Channel-group 1 mode on
> 
> On r1 + r2 I have:
> 
> Int port-channel 1
>  mtu 9216
>  xconnect <loopback IP other router> <mpls-tag> encapsulation mpls
> 
> Int giga x/1-4
>  mtu 9216
>  channel-group 1 mode on
> 
> However, I'm currently facing the problem, that I cannot exceed the bandwith
> of that port-channel over 1gbit. The ingress is no problem, it tries to
> send, but the other side doesn't seem to pick up the traffic.
> 
> Does this have to do with the fact that the portchannel on the routers only
> see 1 source, and 1 destination address? So that it cannot correctly balance
> traffic among 4 interfaces?

definitly

sh etherchannel load-balance

and set ipv4 with : port-channel load-balance src-dst-mixed-ip-port

all the 4 boxes should support src-dst-mixed-ip-port

-- 
Antal GERGELY

Backbone Network Department
IP Services
DIGI KFT
Budapest Vaci ut 35.
H-1134
Hungary


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 260 bytes
Desc: OpenPGP digital signature
URL: <https://puck.nether.net/pipermail/cisco-nsp/attachments/20080825/d2eeed28/attachment-0001.bin>