Cisco WAN :: Lacp Alternative For Port Channel On 12000 Series Router?
Jan 23, 2012
I found the following on the link bundling page for the 12000 series router:"In both EtherChannel and POS channel link bundles, the Link Aggregation Control Protocol (LACP) for signalling and the 802.3ad protocol for automatic negotiation of the channel are not supported. This means that in order for the channel between two routers to be active, you must disable signaling on switches (such as the Cisco 6500/7600 Series) in the channel, and configure the switches in ON mode."
So, my question is, if lacp isn't supported, is there another way to mimic its functionality on a 12000 series router? I want to connect 2 routers together with a port channel that will pass through our layer 2 network, and I want to make sure that any failures in the path will shut down the affected link on both routers.
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Jan 11, 2013
What is the diffrence between cisco XR 12000 series and Cisco 12000 series router.
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Jan 9, 2012
we have cisco 6500 series switch and configured port channel on both switches with 2 gig interfaces on both switches.
When we enable the port channel mode to as desirable to the interfaces on both side and applied the port channel to physical interfaces switch will go down and if we remove on any one side switch will come up. we have enabled globally the following commands. [code]
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Jun 9, 2003
I'm working for KOREA TELECOM, and currently providing MPLS VPN.We're planning to provide our customer with traffic report using NetFlow..
I read some documents which reads Netflow ver.9 can be enabled on Cisco GSR 12000 Series, but no mention about catalyst switches. Netflow ver 9 can be activated on catalyst 6500 series.. because the point where switch is located already have mpls encapsulated packet ( mpls vpn packet).
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Jan 23, 2012
I used LACP on port 49 and 50.After upgrade firmware from 1.0.0.19 to 1.1.2.0 my LAG1 stay down...all port member stay down, port link is up but LAG stay down...I testtu delete and reconfigure LAG1 but nothing work...
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Sep 27, 2012
I am having an issue on a Cisco 3750 stack where when the stack master is rebooted, all my lacp port-channels drop and then come back up again. After doing some investigation It seems that it is happening because of lacp using the stack master mac-address as part of the system-id, so when the stack master reboots, the stack mac changes. I see that there is the command: stack-mac persistent timer 0
There is this warning about using this command:
When you configure this feature, a warning message displays the consequences of your configuration. You should use this feature cautiously. Using the old master MAC address elsewhere in the domain could result in lost traffic.
My question are:
Are there any other consequences to using this command (apart from moving the switch/mac to another location in the network)It mentions 'If the entire switch stack reloads, it acquires the MAC address of the master as the stack MAC address' Is this still the case if you have the stack-mac persistent timer to 0? Does using channel-group mode on for the port-channels still use the same mechanism of having a system-id? (Will the channels flap using 'mode on' when rebooting the stack master.
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Sep 3, 2012
I am doining a flsh upgrade for 12000 router ... I am following this guidelines
[URL]
when i do show version | i image System image file is "disk0:c12k-os-mbi-3.6.0.CSCsy28524-1.0.0/mbiprp-rp.vm"
but at doc it says : System image file is "disk0:c12k-os-mbi-3.6.0/mbiprp-rp.vm" i think my image has something wrong. what do you say ? actually from step 1 to 16 was going smoothly , but step 17 doesnt go ... and i jump to Flash Disk Upgrade Abort Procedure section and i rollback to old flash disk and now it is working ....
Regarding to step 17, why standby PRP is not ready , it shows no valid partner ?
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Feb 9, 2012
I'm unable to assign port E2/1 to port channel. I get following error:
NEXUS5K(config)# int e2/1
NEXUS5K(config-if)# switchport mode trunk
NEXUS5K(config-if)# channel-group 14 mode active
[Code].....
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Aug 1, 2012
We have Dell M6220 blade server that server is connected to cisco 3750 switch. I am trying to configure LACP in 3750 for two port which are connected to Dell M6220 server switch. The channel-group 2 mode active commande is not taking then its showing the error protocol mismatch and if i run show int port-channel 2 command the port channel status is showing down. The Dell server switch is on simple mode. below i have attached the required details.
Switch#show int port-channel 2
Port-channel2 is down, line protocol is down (notconnect)
Hardware is EtherChannel, address is 0000.0000.0000 (bia 0000.0000.0000)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
[code]...
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May 3, 2013
I need 891 SEC router. I think this comes with advanced IP services.What I have is 1921, with IP Base.Can I upgrade 1921, so it will become alternative to 891 SEC ?
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Sep 11, 2011
How do I disable the USB port in the 881 router?
881router#show usb port
Port Number: 0
Status: Disabled
Connection State: Disconnected
Speed: Full
Power State: ON
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Jan 14, 2013
I just setup my homelab today, after having Cat5e installed so I can run my servers and network equiptment over wired network as well as setting up a wireless system. I got everything setup and its going great I can access everything from my office now including a E4200 Linksys router that I setup to do RiP (was only choice pretty much, or NAT), and my 891 Cisco Router which is my internet connection.
I use to have the linksys setup to do port forwarding but now I need to figure out how to do it on the cisco 891 router via command line.
Below is my current configuration. I need to be able to access my server which is behind my router by Remote Desktop. I also have a web server, and the kids also play minecraft, and have a server setup so I need to be able to forward their port as well.
[URL]
Ths is from the link above, would I just do like that but then put in my IPs and is that my Private IP I use this or my public facing. Also he has "interface Dialer1 6881" again after the port in the second and third row. I dont really understand what they have there. I understand basic access list and such though I am extremely rusty.
!
ip nat inside source list 102 interface Dialer1 overload
ip nat inside source static tcp 10.0.0.2 6881 interface Dialer1 6881
[Code].....
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Dec 28, 2012
I don't see it in the menu as it was in the classic firmware. does that mean i cannot forward specific port to open a port in Transmission on a mac?
this is the only thing i see - but what i entered does not work - port is still closed.
i've a bit more complicated setup:
main house - comcast modem and wifi router <--------> guest house - WIFI bridge - ethernet cable to a WIFI router - my apple laptop. WIFI bridge is ASUS with DD-WRT firmware. i get good speed up to 20mbps/4mbps (down/up)
transmission works, but the port is closed ? doe it really matter ? what can i do to open the port (for e. "61622") ?
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Oct 17, 2011
I have a e4200 router, And a 660 series modem, I'm trying to portforward for a game called minecraft, I cannot seem to get the ports to open, I've called Century link they told me to put my modem in to bridge mode, So I did they said my IP should be public not private now, It is still private
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Sep 2, 2012
I have Cisco 3845 with two Gigabit interfaces configured as port-channel with sub interface and with QoS. However shape does not work.
[code]...
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Feb 7, 2013
what is active/passive port-channel..? and how it will do load balancing when my network traffic is flowing on both the ports.
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Sep 13, 2012
I have Cisco 3845 with two Gigabit interfaces configured as port-channel with subinterface and with QoS.However shape does not work, why? [code]
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Nov 2, 2012
are port-channel interfaces supported in 6500s -w- SUP-2T?
Inquiring if able to bundle a couple of 10GB ports on a 6908 via port-channeling.
12.33 IOS doesn't it, but haven't completely confirm whether 15.1 IOS does.
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Jun 11, 2013
So everything I've read on Cisco's documentation here: URL says that I can create a port-channel on two physical interfaces that will uplink to a VSS pair. However, the command is not recognized. What am I missing? I've tried executing "channel-group #" on the physical interface and tried creating the port-channel 1st and neither commands exist. I haven't seen it listed anywhere if it is only available after a specific piece of ASA software. If it is the software what version at a minimum I need to upgrade to? Below is an output from a show version
Cisco Adaptive Security Appliance Software Version 8.0(4)
Device Manager Version 6.1(3)
Compiled on Thu 07-Aug-08 20:53 by builders
System image file is "disk0:/asa804-k8.bin"
Config file at boot was "startup-(code)
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Mar 6, 2012
So I have a current port-channel between two 6ks that I need to upgrade. There's too much traffic and the port buffers on the SUP7203B sort of suck. Microbursts are causing overruns like mad. Im going to move the 2x1gig port-channel to a 6724 and make it a 3x1gig port-channel. The switches carry production traffic across the link to the tune of about 400 meg during the lowest load time. Initially, I thought that I couldn't move the port channel without temporarily taking down the link but I think I have a workable solution now. Has anyone done this successfully before? Im curious what others have done. Also, to make matters worse, the existing port-channel is 'mode on' and I want to migrate to 'mode active' in the new channel
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Oct 30, 2012
I want to do the inter vlan routing packet tracer file url...configuration of MLS are as bellow can anyone tell me why vlan on switch0 can not ping vlan on switch1. [code]
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Jan 18, 2013
I have just been setting up a WISM2 in a test lab and for some reason the Supervisor is not creating a port channel on my 6500 as suggested in the WISM2 Deployment Guide. WISM2 is installed in an appropriate slot (according to same doco) and have attempted reset to factory defaults, removing and power cycling several times.
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Jan 5, 2012
Is it possible to configure a Cisco 2801 router with Multipoint Port Channeling? A service provider dropped a 4.5Mbps ( 3x T1s ) to one of our customers without any equipment. They assume the CPE responsible. If so, any links to documentation on this configuration. If not, what device will they need to buy from Cisco that can bundle these 3 T1s together then feed it into their router?
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Jan 16, 2011
I have configured my Nexus 7018 and 5548 as follow (see diag attached).Both 7000 and 5500 are vPC pair(po1and po2). Now I have created port-chanel between 7018and 5548 as port channel PO3 on 5500. Would it give me 20g bandwidth as PO3?or 10g only uplink to 7018? Do I need to config all four 10g links in PO3 on both 5500 and 7000 switches to achieve max b/w and failover?
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May 22, 2012
I have port-channel configured on Nexus 5K (version 5.0.3) with below configuration.
interface Ethernet1/9
switchport mode trunk
switchport trunk allowed vlan 60
speed 1000
channel-group 105 mode active
[code]....
We have added GLC-SX-LH module to E1/1 and E1/10 and speed is set to 1000 (1Gig) Now other side of E1/9 and E1/10 are not connected. Port-channel status is down
Po105 1 eth trunk down No operational members 1000(D) lacp
show interface port-channel 105 shows different bandwidth (100) MTU 1500 bytes, BW 100000 Kbit, DLY 10 usec,question is under interface port-channel105 speed 1000 command inserted automatically.Now if we connect otherisde of interface, during port-channel comes up.what will be the port-channel interface bandwidth ? will it change to 2Gig(2000). Why speed 1000 command inserted automatically on port-channel.Since it is migration, we want to be more specific on the port-channel configuration?
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Jul 17, 2011
What is the load balance method of 3750 port channel ( by source ip , or by source mac ) to diver traffic to paths? I have tried to use 10.242.104.101 and 10.242.104.102 as source ip, it will travel to the same link (G0/1) within one port channel (G0/1+G0/2). Howerver, if I later use 10.242.104.109, then this time it will traffic to G0/2 link. What's the concept behind.
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Sep 12, 2012
Have 2 N2K with dual-connections to both 2 N5K, will all 4-ports of N5K will be the same port-channel. N2K as well ?
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Nov 20, 2012
Create a port channel out of interface 3 and 4 of ASAConfigure 2 sub-interfaces in those Po interface (my inside vlan and the dmz)At the 4948, configure a trunked port channel out of a single interface (funny ), then do the same in the second 4948Connect ASA port 3 to the 1st 4948's single-interfaced port channel, ASA port 4 connects the same on the 2nd 4948.
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Jan 27, 2013
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? What the SCE needs to support 20GE of traffic? (configuration and software)
I have two 10GE ports available on the SCE
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Jan 2, 2013
I want to configure Port channel for WLC 5508 and cisco 3750 Stack Switch. What changes I need to make on WLC and where?
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Nov 29, 2011
I need to configure a port channel between two sw 4507R. with port Giga, but those port are in different modules.
Sw-1
interface GigabitEthernet5/48
description **** Conexion Switch-2*****
[Code].....
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Dec 17, 2012
Anyway, here's the situation I'm trying to configure several VLANs on my ASA to uniquely allocate to contexts, the VLANs will be trunked from my VSS. Unfortunately I'm not clear on how to achieve this, the configuration guide for 8.4 talks about multiple contexts and routed setups all which don't appear to apply exactly. I've configured the port channel at both ends and I've configured sub-interfaces on the port channel and assigned VLAN IDs. These sub-interfaces are then allocated to the contexts to set 'ip address' etc. I've not been able to successfully test this configuration and I am concerned that it is incorrect..
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Feb 4, 2012
I have had this card fall over in the following way 3 times in the past 3 weeks (??? to protect the innocent) :
Feb 3 17:27:31.209 ACDT: %MBUS-6-SWITCHED_FABCLK: Slot 4 primary clock switched to clock 0
Feb 3 17:27:33.360 ACDT: %LDP-5-NBRCHG: LDP Neighbor ???.???.???.??:0 (1) is DOWN (Received error notification from peer: Holddown time expired)
[Code].....
After the initial failure and card reseat it has lasted almost 3 weeks, reseated it again today and it fell over again within a minute. Reseated again and it is stil up and passing traffic after an hour.
Trying to power cycle the card from the chassis fails, a remove/insert is required to get the card running.
Is this a memory failure on the SIP (CEF failure??) or some other odd fault with the SIP, that makes it require a card remove/reinsert?
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