Re: OT: Nexus deployment with 802.3ad LACP team

thanks, let us know how did you go.

On Sun, Feb 28, 2010 at 5:47 AM, Usama Pervaiz <chaudri_at_gmail.com> wrote:

> We are using the management vrf for the keepalives. otherwise its the
> default vrf. We didnt want to get too fancy with the config as we dont
> need it. Another member on the list replied and said that the 2K's
> currently do not support this yet. I will have to call Cisco and get
> more info.
>
> Thank you all for your help!!
>
> Usama
>
> On Sat, Feb 27, 2010 at 7:33 AM, Radioactive Frog <pbhatkoti_at_gmail.com>
> wrote:
> > Hi,
> >
> > The config looks okay. I'd add this, just to make sure the right vrf (if
> > you're using any).
> >
> > vpc domain 1
> > peer-keepalive destination 10.0.0.1 source 10.10.0.2 vrf vpc-keepalive
> >
> > Are you issueing show vpc status command from base system i.e. mgmt vdc
> or
> > one of the vdc which has peering with another one on a different box?
> >
> >
> > use switchto vdc <vdcName> command and then check the vpc status.
> >
> >
> >
> >
> > On Sat, Feb 27, 2010 at 4:27 PM, Usama Pervaiz <chaudri_at_gmail.com>
> wrote:
> >>
> >> Following is how i configured the vPC:
> >>
> >> 5K-A
> >>
> >> vpc domain 1
> >> peer-keepalive destination 10.0.0.1
> >>
> >> interface port-channel1
> >> switchport mode trunk
> >> vpc peer-link
> >> spanning-tree port type network
> >> speed 10000
> >>
> >> interface port-channel10
> >> switchport access vlan 100
> >> vpc 10
> >> speed 1000
> >>
> >> interface Ethernet1/17
> >> switchport mode trunk
> >> channel-group 1 mode active
> >>
> >> interface Ethernet1/18
> >> switchport mode trunk
> >> channel-group 1 mode active
> >>
> >> int e100/1/10
> >> switchport access vlan 100
> >> spanning-tree port type edge
> >> channel-group 10 mode active
> >>
> >>
> >>
> >>
> >> This is the config on 5K-B:
> >>
> >> vpc domain 1
> >> peer-keepalive destination 10.0.0.2
> >>
> >> interface port-channel1
> >> switchport mode trunk
> >> vpc peer-link
> >> spanning-tree port type network
> >>
> >> interface port-channel10
> >> switchport access vlan 100
> >> vpc 10
> >> speed 1000
> >>
> >> interface Ethernet1/17
> >> switchport mode trunk
> >> channel-group 1 mode active
> >>
> >>
> >> interface Ethernet1/18
> >> switchport mode trunk
> >> channel-group 1 mode active
> >>
> >> interface Ethernet100/1/10
> >> switchport access vlan 100
> >> spanning-tree port type edge
> >> channel-group 10 mode active
> >>
> >>
> >>
> >>
> >> sh vpc brief
> >> Legend:
> >> (*) - local vPC is down, forwarding via vPC peer-link
> >>
> >> vPC domain id : 1
> >> Peer status : peer adjacency formed ok
> >> vPC keep-alive status : peer is alive
> >> Configuration consistency status: success
> >> vPC role : secondary
> >>
> >> vPC Peer-link status
> >> ---------------------------------------------------------------------
> >> id Port Status Active vlans
> >> -- ---- ------ --------------------------------------------------
> >> 1 Po1 up 1,14-15,100
> >>
> >> vPC status
> >>
> >>
> ----------------------------------------------------------------------------
> >> id Port Status Consistency Reason Active
> >> vlans
> >> ------ ----------- ------ ----------- --------------------------
> >> -----------
> >> 100 Po100 up success success 100
> >> 114 Po114 down* failed Consistency Check Not -
> >> Performed
> >>
> >>
> >> I dont understand why the status says down and the consistency says
> >> failed. Please let me know if i configured something wrong or if i
> >> need addition steps.
> >>
> >> Thanks,
> >> Usama
> >>
> >>
> >> On Fri, Feb 26, 2010 at 10:47 PM, Radioactive Frog <pbhatkoti_at_gmail.com
> >
> >> wrote:
> >> > My question is do i even need to configure anything if the servers are
> >> > doing NIC teaming?
> >> > ----------------------------------------------------------------
> >> > ah...
> >> > the answer is simply "yes", you need to configure 802.13ad on your
> >> > switch as
> >> > well where those 2 teamed NIC's are connected. If this is not done
> then
> >> > the
> >> > incoming traffic to server will not load balanced.
> >> >
> >> > Server to Switch traffic flow:
> >> > --------------------------------------
> >> > Outgoing from server = Teaming servers ports, if servers are Linux it
> >> > creates a "BOND0" interface which is logically interface created by
> the
> >> > OS
> >> > when teaming is enabled. The OS sends any traffic originated from (in
> >> > virtulization environment VM's) OS through the BOND0 interface out to
> a
> >> > switch.
> >> >
> >> > same concept applies fomr incoming traffic.
> >> >
> >> > HTH
> >> >
> >> >
> >> >
> >> >
> >> > On Sat, Feb 27, 2010 at 2:24 PM, Usama Pervaiz <chaudri_at_gmail.com>
> >> > wrote:
> >> >>
> >> >> The uplink vPC to the 6509's is working. The VSS consists of 2 6509's
> >> >> which are multi-chassis portchannel to the 2 5K's (which are using
> >> >> vPC) My concern is at the host level. If i configure the port-channel
> >> >> to the servers using LACP the port channel says its down and the port
> >> >> itself is in Individual mode (I). If i configure it with just this
> >> >> command (as stated in the quick start guide for vPC)
> >> >>
> >> >> channel-group 10
> >> >>
> >> >> The port-channel shows up but I do not see any increase in throughput
> >> >> from the server.
> >> >>
> >> >> My question is do i even need to configure anything if the servers
> are
> >> >> doing NIC teaming?
> >> >>
> >> >> Thanks for your response.
> >> >>
> >> >> Usama
> >> >>
> >> >> On Fri, Feb 26, 2010 at 10:11 PM, Radioactive Frog
> >> >> <pbhatkoti_at_gmail.com>
> >> >> wrote:
> >> >> > vPC is not supported within the BOX (even it has 2 vdc/vss). You
> must
> >> >> > have 2
> >> >> > physical boxes i.e. 2x6509.
> >> >> >
> >> >> >
> >> >> > On Sat, Feb 27, 2010 at 11:08 AM, Usama Pervaiz <chaudri_at_gmail.com
> >
> >> >> > wrote:
> >> >> >>
> >> >> >> Hello all,
> >> >> >>
> >> >> >> We are rolling out a deployment of Nexus 5k's and 2k's with VSS.
> >> >> >> following is the design that we have chosen. The
> >> >> >>
> >> >> >>
> >> >> >> ___________
> >> >> >> N2K1------>N5K1 --------------- | 6509 |
> >> >> >> Server< || -----vPC---- | VSS |
> >> >> >> LACP N2K2------>N5K2 -------------- |___________|
> >> >> >>
> >> >> >>
> >> >> >> The N5K1 and N5K2 are using vPC to connect to the 6509's. This
> link
> >> >> >> is
> >> >> >> up and functioning properly.
> >> >> >> My question is if we are using active/active LACP from the server
> >> >> >> side
> >> >> >> NIC's do we have to configure port-channel on the N2K1 and N2K2? I
> >> >> >> have tried it with and without and in both cases my maximum
> >> >> >> throughput
> >> >> >> is just below 1Gbps. I would have though that teaming up the NIC's
> >> >> >> on
> >> >> >> the server would give me at least something over a gig of
> throughput
> >> >> >> or am I wrong in my assumption.
> >> >> >>
> >> >> >> Also when I specify the mode for the channel-group as active
> >> >> >> (channel-group 10 mode active) my port-channel status shows as
> down
> >> >> >> and my port status is (I). Is LACP not supported on host ports for
> >> >> >> the
> >> >> >> N2K's?
> >> >> >>
> >> >> >> If I have confused anyone then I apologize!!
> >> >> >>
> >> >> >> Thanks in advance!
> >> >> >> Usama
> >> >> >>
> >> >> >>
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> >> >> >>
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Received on Sun Feb 28 2010 - 23:11:08 ART