Configuring port-channel on N7K
Hi there,
I am trying to build a port-channel from N7K-01 to N7K-02 using a breakout cables (40G interface from N7K-01 to 4x10G interfaces on N7K-02). it didn't work
is this require a special configuration??? because I have done port-channel configuration between two 40G interfaces and it works.
appreciate your valuable support if possible to share the needed configuration to accomplish this.
thanks,
regards,
Haitham.
Hi,
when I do it directly between cisco ASR9k, the 10g interfaces are up with lights but 40G side is red not up.
between cisco N7Ks, no lights from both sides. between N7Ks cable is going to patch-panel and then to other nexus.
thanks,
Similar Messages
-
Configure port channel between IO Module and FI
Hi,
I have the current setup
UCS chassis (4 uplinks) --> FI --> (Port channel) --> N5K --> (port channel) --> VSS 6500
I configure port channel between IO Module and the FI by changing to policy to "Port Channel" and set the link to 4
FI has created a portchannel under "Internal" containing all the FI interfaces that are connected to the IO module.
I have installed ESXI on a blade but i was unable to reach it, even the esx was unable to ping the gateway.
VLAN tagging is enabled from the ESX server.
I have issued the command "show mac address-table | inc <mac address of the vnic assigned from thre service profile> on both the N5K and thr 6500 and the mac is there.
I have allowed all the vlans on the vNIC from the service profile.
am I missing anything?
thanksHello,
Can you please check whether your ESXi vmkernel interface ip address learned on right VLAN on FI / upstream switch or not.
connect nxos
show mac-address-table | inc
Padma -
How to troubleshooting port channel in N7K
i find N5K
http://www.cisco.com/c/en/us/support/docs/switches/nexus-5000-series-switches/116199-technote-stp-00.html
i notice distribution switch has root guard block log
does it mean that looping has occured yesterday?
i use command below do not have yesterday record
show spanning-tree internal event-history tree 1 brief | in "2015:03:15 10"
first core is root switch
now port channel shutdown in first core and use port channel in second core. How can i see which problem has occurred in port channel ?
how to know which port has problem ?
how to know which vlan caused the problem ?
we notice one of access switch has lost config, will it affect the distribution layer switch?
i remember that yesterday i just get log with filezilla after configure notebook same vlan and same network with the testing access switchNot sure if youre after the portchannel bandwidth or port-channel speed... If you really want to get an insight on the bandwidth usage, get SNMP on both sides, actively monitor the port channel and interfaces (real time by frequent polling)
And you could get two endpoints @ 10 gb nics that are bundled, then 'thrash' the link, end to end. I use iperf, you could use big ftp transfers to test and see what performance is. You'll get the rate / speed in which the links are operating 'end to end'
It may mean that the ports are @10gb full duplex, but the overall bandwidth is 20gb
Sent from Cisco Technical Support iPhone App -
Configuring Port Channel on Cisco 2960S-48LPS-L
When I try to move port channel connections to two of the SFP ports on our Cisco 2960S switch, one of the connections fail.
I am using two GBics, both are the same, GLC-T-A 1000Base-T.
The port channel work fine when I use g1/0/47 and 48.
The port channel work fine when using g1/0/48 and SFP 1/0/49
Port channel does not work when using SFP 1/0/49 and SFP 1/0/50.Cisco C2960S software version: 12.2(55)SE7. Using C2960S-UNIVERSALK9-M.
Port configurations for g1/0/48 - 51:
interface GigabitEthernet1/0/49
description Trunk to Cisco Core
switchport mode trunk
srr-queue bandwidth share 1 30 35 5
priority-queue out
mls qos trust cos
macro description cisco-switch
auto qos trust
spanning-tree link-type point-to-point
channel-group 2 mode on
When working, both ports show green status lights.
ort Name Status Vlan Duplex Speed Type
Po2 Trunk to Core connected trunk a-full a-1000
*: interface is up
IHQ: pkts in input hold queue IQD: pkts dropped from input queue
OHQ: pkts in output hold queue OQD: pkts dropped from output queue
RXBS: rx rate (bits/sec) RXPS: rx rate (pkts/sec)
TXBS: tx rate (bits/sec) TXPS: tx rate (pkts/sec)
TRTL: throttle count
Interface IHQ IQD OHQ OQD RXBS RXPS TXBS TXPS TRTL
* Port-channel2 0 0 0 0 8390000 909 970000 551 0
Age of the Port-channel = 0d:10h:57m:35s
Logical slot/port = 5/2 Number of ports = 2
GC = 0x00000000 HotStandBy port = null
Port state = Port-channel Ag-Inuse
Protocol = -
Port security = Disabled
Ports in the Port-channel:
Index Load Port EC state No of bits
------+------+------+------------------+-----------
0 00 Gi1/0/47 On 0
0 00 Gi1/0/49 On 0
When not working, one port shows green, then other port status light is off.
GigabitEthernet1/0/49 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 3c0e.233f.a531 (bia 3c0e.233f.a531)
Description: Trunk to Cisco Core
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 1000Mb/s, link type is auto, media type is 10/100/1000BaseTX SFP
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:09, output 00:00:19, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 1954000 bits/sec, 213 packets/sec
5 minute output rate 38000 bits/sec, 16 packets/sec
2935639 packets input, 880524431 bytes, 0 no buffer
Received 2211794 broadcasts (310067 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 310067 multicast, 0 pause input
0 input packets with dribble condition detected
370489 packets output, 66729219 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
GigabitEthernet1/0/50 is down, line protocol is down (notconnect)
Hardware is Gigabit Ethernet, address is 3c0e.233f.a532 (bia 3c0e.233f.a532)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Auto-duplex, Auto-speed, link type is auto, media type is Not Present
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
--More-- 0 output errors, 0 collisions, 1 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
Let me know if you need more info. -
Port-channel issue with FI-N7k using rate-mode share
Hi Dears,
I'm trying to using port-channel between Fabric Interconnect (FI) and N7K. in N7K use rate-mode share and LACP but the port-channel in N7K was suspended.
I was trying :
1. I using non dedicated port in Nexus 7010.
- rate-mode share
- channel-group 1 mode active
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was suspended
2. I using non dedicated port in Nexus 7010
- rate-mode share
- channel group 1 mode on
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was came up, but in Fabric interconnect was failed.
3. I using dedicated port in Nexus 7010
- rate-mode share
- channel group 1 mode active
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was suspended
4. I using dedicated port in Nexus 7010
- rate-mode dedicated
- channel group 1 mode active
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was came up and running well.
is any other way to configure port-channel in N7K with rate-mode share and LACP ?
or it's some of limitation in port-channel when using rate-mode share at N7K ?
nb: fabric interconnect only support LACP and cannot be configurable.
regards,
Berwin HHI Mark,
1. Can you please check your ethernet card ...where this port channel connected..on the server.
may be there are 2 different card.
2. from cisco websites:
Error Message
Explanation
This port has different port attributes than other ports within the port channel.
Recommended Action
Match the port attributes to that of the port channel.
Regards
Please rate if it helps.
Match the port attributes to that of the port channel.This port has different port attributes than other ports within the port channel.
EC-5-CANNOT_BUNDLE_LACP: [char] is not compatible with aggregators in
channel [dec] and cannot attach to them ([char]) -
Port-channel Problem between Fabric Interconnect and N7K vPC
Dear all,
I have a problem with Port-channel Uplink between Fabric Interconnect with N7K using vPC
This is my network topology for UCS Deployment
In N7K I has configured vPC for red link and green link, at Fabric Interconnect A I has configured Port-Channel with member is Port 1 and Port 2, uplink is red link. At Fabric Interconnect B, I has configured Port-Channel with member is Port 1 and Port 2, uplink is green link.
The show interface port-channel on N7K is good, every port-channel is up and have all member. But At Fabric Interconnnect, when I see on UCS Manager, the status of Port-Channel on Fabic A and Fabric B is fault with Additional Info: No operational member. Although all link is link up and I has status of Port-Channel is enable on UCS Manager. When I see the Properties of Port 1, Port 2 on Port-channel, I see the membership status is : individual. This mean port-channel is not up and no membership in this configuration. I want to using port-channel for load balance and plus more bandwidth for uplink to 20Gig. I don't understand why ?
Please help me resolve this problem, I has send the capture screen of UCS Manager when I show status of Port-channel and Port-member in port-channel in attach items.
Anyone can help me to resolve this, thanks you very much. Please reference attach items for more detail about fault.
Thanks,
Trung.Thanks Matthew very much,
I has resolved this problem. The reason of problem is miss match protocol of port-channel between N7K and Fabric Interconnect. The Fabric Interconnect always use LACP protocol, but N7K using Port-channel mode on, that why the port-channel failed. I has configured LACP for port-channel in N7K, it has resolved the problems.
Thanks,
Trung. -
ASA5550 port channel configuration ERROR: nameif not allowed on empty etherchannel interface
Hi All,
I am having problem when configure port channel on asa5550
IOS ver asa914-k8.bin also in ver 9.02 and 8.47.
Please let me know how can I solve this problem.
UK-LON-FW(config)# int port-channel 3
UK-LON-FW(config-if)# vlan 245
^
ERROR: % Invalid input detected at '^' marker.
UK-LON-FW(config-if)# nameif secure
ERROR: nameif not allowed on empty etherchannel interface.
UK-LON-FW(config-if)#
here is my interfaces configuration:
interface GigabitEthernet0/0
description fw1:G0/0 to uk-lon-gw1:e1/8 fw2:G0/0 to uk-lon-gw2:e1/9 outside zone
channel-group 1 mode on
no nameif
no security-level
no ip address
interface GigabitEthernet0/1
description fw1:G0/1 to uk-lon-gw2:e1/8 fw2:G0/1 to uk-lon-gw1:e1/9 outside zone
channel-group 1 mode on
no nameif
no security-level
no ip address
interface GigabitEthernet0/2
description fw1:G0/2 to uk-lon-sw1a:1 fw2:G0/2 to uk-lon-sw1a:2 dmz
channel-group 2 mode on
no nameif
no security-level
no ip address
interface GigabitEthernet0/3
description fw1:G0/3 to uk-lon-sw1b: fw2:G0/3 to uk-lon-sw1b:2 dmz
channel-group 2 mode on
no nameif
no security-level
no ip address
interface Management0/0
management-only
nameif management
security-level 0
ip address 10.10.51.18 255.255.254.0
interface GigabitEthernet1/0
description fw1:G1/0 to uk-lon-sw1a:3 fw2:G1/0 to uk-lon-sw1a:4 secure zone
no nameif
no security-level
no ip address
interface GigabitEthernet1/1
description fw1:G1/1 to uk-lon-sw1b:3 fw2:G1/1 to uk-lon-sw1b:4 secure zone
no nameif
no security-level
no ip address
interface GigabitEthernet1/2
description LAN Failover Interface
no nameif
no security-level
no ip address
interface GigabitEthernet1/3
description STATE Failover Interface
no nameif
no security-level
no ip address
interface Port-channel1
description outside zone
no nameif
no security-level
no ip address
interface Port-channel1.5
description outside zone Bundle FW:G0/0-G0/1 connect to GW1:e1/8-GW2:e1/8
vlan 5
nameif outside
security-level 0
ip address 216.239.105.5 255.255.255.128 standby 216.239.105.6
interface Port-channel2
description dmz Bunlde uk-lon-fw:G0/2-3 to sw1a:1-2 sw1b:1-2
no nameif
no security-level
no ip address
interface Port-channel2.105
description dmz
vlan 105
nameif dmz
security-level 50
ip address 216.239.105.193 255.255.255.192 standby 216.239.105.194
interface Port-channel3
description secure zone Bunlde uk-lon-fw:G1/0-1 to sw1a:3-3 sw1b:3-4
no nameif
security-level 100
ip address 10.254.105.1 255.255.255.0 standby 10.254.105.2
UK-LON-FW(config-if)#Hi Marvin,
Thank you for your answer. I did everything but it did not work. Turn out it is a bug ver 8.45 will let you created the sub logical interface but actually it did not work right. Verson 9.x doesn't let you create more than 2 port channel (limitation of ASA5550 hardware).
https://tools.cisco.com/bugsearch/bug/CSCtq62715/?reffering_site=dumpcr
Also, you can see the 8.4 release notes were you can see that it is not supported:
http://www.cisco.com/c/en/us/td/docs/security/asa/asa84/release/notes/asarn84.html#pgfId-522232
Interface Features
EtherChannel support (ASA 5510 and higher)
You can configure up to 48 802.3ad EtherChannels of eight active interfaces each.
Note You cannot use interfaces on the 4GE SSM, including the integrated 4GE SSM in slot 1 on the ASA 5550, as part of an EtherChannel.
We introduced the following commands: channel-group , lacp port-priority , interface port-channel , lacp max-bundle , port-channel min-bundle , port-channel load-balance , lacp system-priority , clear lacp counters , show lacp , show port-channel . -
Catalyst 3750G and WLC 440x - Port Channel - Configuration - Best Pactice
What is the best practice to use when configuring port channel between Catalystr 3750G switch stack and WLC 4402 / 4404 Wireless Lan Controllers:
a) Negotiate to LACP
b) Negotiate to PAgP
or
c) Hard-code to Port Channel without any negotiation.
Any pointers to any useful links - much appreciated and configuration example as well.Answer is 'C'... channel-mode on
Configuring Neighbor Devices to Support LAG
The controller's neighbor devices must also be properly configured to support LAG.
â¢Each neighbor port to which the controller is connected should be configured as follows:
interface GigabitEthernet
switchport
channel-group mode on
no shutdown
â¢The port channel on the neighbor switch should be configured as follows:
interface port-channel
switchport
switchport trunk encapsulation dot1q
switchport trunk native vlan
switchport trunk allowed vlan
switchport mode trunk
no shutdown
Here is a link that explains it. Hope this answers your question:
http://www.cisco.com/en/US/docs/wireless/controller/4.2/configuration/guide/c42mint.html#wp1116136
Here is a Best Practice doc:
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a0080810880.shtml -
Port-channel L2 problem with Fabric Interconnect and Nexus 7010
Hi,
i using port-channel from both fabric interconnect to N7k with 3 cables per Fabric Interconnect.
but, my problem is when i creating port-channel, Fabric Interconnect don't support mode ON dan rate-mode share in Interface 10G Nexus 7010.
I was trying :
1. I using non dedicated port in Nexus 7010.
- rate-mode share
- channel-group 1 mode active
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was suspended
2. I using non dedicated port in Nexus 7010
- rate-mode share
- channel group 1 mode on
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was came up, but in Fabric interconnect was failed.
3. I using dedicated port in Nexus 7010
- rate-mode share
- channel group 1 mode active
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was suspended
4. I using dedicated port in Nexus 7010
- rate-mode dedicated
- channel group 1 mode active
- switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was came up and running well.
but, the problem is my costumer do not want using a dedicated rate-mode. if i using dedicated mode the only available port is 8 interfaces instead of 32 ports. i want to using rate-mode share in nexus 7010.
is there any way to configuring port-channel using mode on in fabric interconnect ? i was trying using CLI to create port-channel in Fabric interconect but i cannot configure the channel group protocol.
i attach the topology of N7K with Fabric interconnect.
regards,
Berwin HHi Manish,
the issue was solved, i was fix it last week.
the solution is:
i enable the license grace-priode (since my license is Enterprise so cannot create VDC) then i create a VDC (ex: VDC 2) so i allocate the interface on all module
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N7K-M132XP-12 to VDC 2. after that i delete VDC 2 then all interface back to VDC 1 (default vdc). then i enable the rate-mode share in dedicated port and bundle into port-channel and its working.
i dont know why it must move to VDC first then it will working, maybe cisco can explain the reasons.
So here the result of my port-channel :
SVRN7KFARM-HO-01# show port-channel summary
Flags: D - Down P - Up in port-channel (members)
I - Individual H - Hot-standby (LACP only)
s - Suspended r - Module-removed
S - Switched R - Routed
U - Up (port-channel)
Group Port- Type Protocol Member Ports
Channel
1 Po1(SU) Eth LACP Eth1/1(P) Eth1/2(P) Eth1/3(P)
Eth1/4(P) Eth1/25(P)
2 Po2(SU) Eth LACP Eth1/9(P) Eth1/10(P) Eth1/11(P)
Eth1/12(P) Eth1/26(P)
3 Po3(SU) Eth LACP Eth1/17(P) Eth1/18(P)
4 Po4(SU) Eth NONE Eth10/32(P) Eth10/34(P) Eth10/35(P)
Eth10/36(P)
Thanks.
Berwin H -
Disappointed: ASA 8.4 Redundant using Port-channels
So I finally got all our ASAs upgrade to version 8.4 and was all sorts of excited to configure port-channels to our 6500 + SUP7203B switches. I was severally disappointed to discover that I cannot configure two port-channels and have them be members of a redundant interface pair. It would seem like a logical topology.
Port-channel1 = Gig0/0 & Gig0/1
Port-channel2 = Gig0/2 & Gig0/3
Redundant1 = Port-channel1 & Port-channel2
Port-channel1 would connect to the primary 6500
Port-channel2 would connect to the backup 6500
What would it take to make this work? Am I going to have to wait for 8.5? Will we finally get BGP then too? (Had to get that in there)
http://www.cisco.com/en/US/docs/security/asa/asa84/configuration/guide/interface_start.html#wp1329357
EtherChannel Guidelines
•You can configure up to 48 EtherChannels.
•Each channel group can have eight active interfaces. Note that you can assign up to 16 interfaces to a channel group. While only eight interfaces can be active, the remaining interfaces can act as standby links in case of interface failure.
•All interfaces in the channel group must be the same type and speed. The first interface added to the channel group determines the correct type and speed.
•The device to which you connect the ASA 5500 EtherChannel must also support 802.3ad EtherChannels; for example, you can connect to the Catalyst 6500 switch.
•All ASA configuration refers to the logical EtherChannel interface instead of the member physical interfaces.
•You cannot use a redundant interface as part of an EtherChannel, nor can you use an EtherChannel as part of a redundant interface. You cannot use the same physical interfaces in a redundant interface and an EtherChannel interface. You can, however, configure both types on the ASA if they do not use the same physical interfaces.Hello Yaplej,
Agree with you but unfortunetly this is not supported yet,
We migh need to wait some time before this desing can be accomplish,
Regards,
If you do not have any other question please mark the question as answered -
Port channel WLC 5508 and 3750
Hi All,
I want to configure Port channel for WLC 5508 and cisco 3750 Stack Switch. What changes I need to make on WLC and where?
Thanks
JagdevThanks Chris,
LAG is enable on WLC, and Port channel is configured on 3750, Please see the configration and Port channel status below:-
(Cisco Controller) >show lag summary
LAG Enabled
interface Port-channel14
description Port Channel to WLC001
switchport trunk encapsulation dot1q
switchport mode trunk
end
sh etherchannel 14 summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use f - failed to allocate aggregator
M - not in use, minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port
Number of channel-groups in use: 14
Number of aggregators: 14
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
14 Po14(SD) LACP Gi1/0/22(I) Gi2/0/22(I)
sh run int g1/0/22
Building configuration...
Current configuration : 209 bytes
interface GigabitEthernet1/0/22
description Trunk to WLC001 DistPort1
switchport trunk encapsulation dot1q
switchport trunk native vlan 254
switchport mode trunk
channel-group 14 mode active
end
sh run int g2/0/22
Building configuration...
Current configuration : 209 bytes
interface GigabitEthernet2/0/22
description Trunk to WLC001 DistPort2
switchport trunk encapsulation dot1q
switchport trunk native vlan 254
switchport mode trunk
channel-group 14 mode active
end -
About n1000v with port channel
there is a n1000v connected to multiple upstream switches in the customer's production environment.
the following is from the Cisco Nexus 1000V Interface Configuration Guide, Release4.2(1)SV2(2.1).
You use vPC-HM mode to create a port channel when the switch is connected to multiple upstream switches
that are not clustered.
my question is,
can I use LACP with multiple upstream switches that are not clustered?
can I use LACP with multiple upstream switches that are stacked?
if I stack multiple upstream switches,does it mean clustered?
thanks.Hi,
See some of the guidelines:
Guidelines and Limitations
Port channeling has the following guidelines and restrictions:
•All ports in the port channel must be in the same Cisco Nexus 1000V module; you cannot configure port channels across Cisco Nexus 1000V modules.
•Port channels can be formed with multiple upstream links only when they satisfy the compatibility requirements and under the following conditions:
–The uplinks from the host are going to the same upstream switch.
–The uplinks from the host going to multiple upstream switches are configured with vPC-HM.
•You can configure multiple port channels on a device.
•After you configure a port channel, the configuration that you apply to the port channel interface affects the port channel member ports. The configuration that you apply to the member ports affects only the member port where you apply the configuration.
•You must remove the port security information from a port before you can add that port to a port channel. Similarly, you cannot apply the port security configuration to a port that is a member of a channel group.
•You can configure ports that belong to a port channel group as PVLAN ports.
•Any configuration changes that you apply to the port channel is applied to every member interface of that port channel.
•Channel member ports cannot be a source or destination SPAN port.
That said LACP should work on switches that are not clustered and meet the conditions above.
A stack is treated as one unit which means that would be like you have just one big chassis.
Stacking does not the same as clustering it works different. so if you stack them that would be a stack not a cluster
http://www.cisco.com/en/US/docs/switches/datacenter/nexus1000/sw/4_2_1_s_v_1_4/interface/configuration/guide/n1000v_if_5portchannel.html#wp1270746
Hope this helps. -
Nexus 6K: Port-Channel Load-Balance
Hi all,
I configured "port-channel load-balance ethernet source-dest-mac" on Nexus 6001. But when I use "show run all | in load-balance", it displays module 1 and module 2 are still using source-dest-ip for port-channel load-balance. And for command "show port-channel load-balance" and "show port-channel load-balance forwarding-path interface", it still shows switch using MAC for hash algorithm. The NXOS is 6.0(2)N1(2a).
Does anybody know:
- What is the function of "port-channel load-balance ethernet source-dest-ip module" and in which situation this command will be effective?
- It shows "port-channel load-balance ethernet source-dest-ip module" command for both module 1 and 2. Module 1 is N6K Supervisor and module 2 is 4xQSFP Ethernet Module. Is it possible to set different load-balance algorithm to these 2 modules?
# show run all | in load-balance
port-channel load-balance ethernet source-dest-mac
port-channel load-balance ethernet source-dest-ip module 1
port-channel load-balance ethernet source-dest-ip module 2
# show port-channel load-balance
Port Channel Load-Balancing Configuration:
System: source-dest-mac
Port Channel Load-Balancing Addresses Used Per-Protocol:
Non-IP: source-dest-mac
IP: source-dest-mac
# show port-channel load-balance forwarding-path interface port-channel 30 vlan 150 src-ip 172.25.228.6 dst-ip 172.25.226.97
Missing params will be substituted by 0's.
Load-balance Algorithm on switch: source-dest-mac
crc_hash: 977 Polynomial: CRC10b Outgoing port id Ethernet1/2
Param(s) used to calculate load-balance:
seed: 0x701
dst-mac: 0000.0000.0000
src-mac: 0000.0000.0000
# show module
Mod Ports Module-Type Model Status
1 48 Norcal 64 Supervisor N6K-C6001-64P-SUP active *
2 10 Nexus 4xQSFP Ethernet Module N6K-C6001-M4Q ok
Mod Sw Hw World-Wide-Name(s) (WWN)
1 6.0(2)N2(3) 1.0 --
2 6.0(2)N2(3) 1.0 --Hi all,
I configured "port-channel load-balance ethernet source-dest-mac" on Nexus 6001. But when I use "show run all | in load-balance", it displays module 1 and module 2 are still using source-dest-ip for port-channel load-balance. And for command "show port-channel load-balance" and "show port-channel load-balance forwarding-path interface", it still shows switch using MAC for hash algorithm. The NXOS is 6.0(2)N1(2a).
Does anybody know:
- What is the function of "port-channel load-balance ethernet source-dest-ip module" and in which situation this command will be effective?
- It shows "port-channel load-balance ethernet source-dest-ip module" command for both module 1 and 2. Module 1 is N6K Supervisor and module 2 is 4xQSFP Ethernet Module. Is it possible to set different load-balance algorithm to these 2 modules?
# show run all | in load-balance
port-channel load-balance ethernet source-dest-mac
port-channel load-balance ethernet source-dest-ip module 1
port-channel load-balance ethernet source-dest-ip module 2
# show port-channel load-balance
Port Channel Load-Balancing Configuration:
System: source-dest-mac
Port Channel Load-Balancing Addresses Used Per-Protocol:
Non-IP: source-dest-mac
IP: source-dest-mac
# show port-channel load-balance forwarding-path interface port-channel 30 vlan 150 src-ip 172.25.228.6 dst-ip 172.25.226.97
Missing params will be substituted by 0's.
Load-balance Algorithm on switch: source-dest-mac
crc_hash: 977 Polynomial: CRC10b Outgoing port id Ethernet1/2
Param(s) used to calculate load-balance:
seed: 0x701
dst-mac: 0000.0000.0000
src-mac: 0000.0000.0000
# show module
Mod Ports Module-Type Model Status
1 48 Norcal 64 Supervisor N6K-C6001-64P-SUP active *
2 10 Nexus 4xQSFP Ethernet Module N6K-C6001-M4Q ok
Mod Sw Hw World-Wide-Name(s) (WWN)
1 6.0(2)N2(3) 1.0 --
2 6.0(2)N2(3) 1.0 -- -
Dear community members,
I need to increase the link capacity of 10GE to 20GE between two Cisco7609, so I feel the need to configure port channel between them, my little problem is that I have a SCE 8080 in the middle of both 7600 currently is configured inline.
The SCE has 4 modules 1X10GE-L-V2 (currently in use 2), I was investigated and the truth is that I not found anything concrete about how to configure the SCE to "pass" etherchannel through it, could help me with this ..?
What the SCE needs to support 20GE of traffic? (configuration and software)
I have two 10GE ports available on the SCE
Could you please give me a hand
Thank you very muchHi there,
I do not think so you need port channel, you can have two links going to two 10G ports on one SCE. The only thinkg you need to take care of is:
http://www.cisco.com/en/US/docs/cable/serv_exch/serv_control/broadband_app/rel38x/sce8000_cli_ref/CLI_Ref_1.html#wp2376046
Also check this one
http://www.cisco.com/en/US/docs/cable/serv_exch/serv_control/broadband_app/rel38x/prod_overview/product_overview.html#wp47099
Thanks,
Minja -
Port Channel over L2 MPLS links
Hello.
I was hoping that someone could over some suggestions on best practice or recommendations for configuring port channel to bundle to layer 2 MPLS links that we have.
We have racks in two geographically separated data centres, each rack has a stack of Cisco 3850 switches, and there are two 100Mbps layer 2 connections linking these stacks together. The links are provided by our supplier and runs over their core network (I can get more info on their setup if need be).
I had initially just configured a simple port channel bundling the two ports on "Switch A", and the same on "Switch B". However I have since noticed that one of the ports was put into error disabled state, and I have my doubts that we ever had 200Mbps throughput over the portchannel.
The logs showed:
UDLD-4-UDLD_PORT_DISABLED: UDLD disabled interface Gix/x/x, aggressive mode failure detected
%PM-4-ERR_DISABLE: udld error detected on Gix/x/x, putting Gix/x/x in err-disable state
How I understand is that one of ports recieved an unexpected (or incorrect) BPDU packet, and shut the port down as part of spanning tree process to stop a loop forming.
For the time being I have removed the port channel config and re-opened all the ports, so I believe one of the ports is now in blocking state.
Whilst redundancy for these links is great, ideally I would like to have the links bundled so I also get the benefit of higher throughput.
Any thoughts are greatly appreciated.
Thank youHi,
Thank you for your reply and suggestions. I have been reading up on layer 2 protocol tunnelling and I'm not sure if this will work for us. According to these guidelines for the catalyst 3550 (http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3550/software/release/12-1_19_ea1/configuration/guide/3550scg/swtunnel.html#wp1006657) it states:
•If you enable PAgP or LACP tunneling, we recommend that you also enable UDLD on the interface for faster link-failure detection.
•Tunneling is not supported on trunk ports. If you enter the l2protocol-tunnel interface configuration command on a trunk port, the command is accepted, but Layer 2 tunneling does not take affect unless you change the port to a tunnel port or an access port.
•EtherChannel port groups are compatible with tunnel ports when the 802.1Q configuration is consistent within an EtherChannel port group.
(maybe its a different and is supported on 3850's)
Also, I cant use layer 3 over this link as I am looking to extend VLANs over the link so devices and virtual machines in each of the datacentre are in the same subnet and broadcast domain.
I will speak with the supplier to see what they are willing to do.
Thanks again.
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