Cisco Switching/Routing :: 2960 Ether Channel Not Working

Sep 23, 2012

I was configured ether channel between two cisco 2960s series switches. It is working properly. I was replaced two cables in etherchannel. Now one link working remaining link is down(both cables are working cables only). Below are ether channel details.

View 9 Replies


ADVERTISEMENT

Cisco Switching/Routing :: 2960 / Make Ether Channel On Switch 1 Which Has 24 Fast Ethernet Ports

Oct 8, 2012

I have 4 cisco 2960 switches to which many users are connected. No vlans are the only default vlan 1 is there. Now I want to make ether channel on switch 1 whcih has 24 fast etherenet ports. Can I make port 1- 8 as one ether channel which are connected to users or i can only make ethere channel of ports that are connectd to other switchs. If I can, how the other switchs will comnicate with the switch ports bundalled in the ether channel in switch 1.

View 6 Replies View Related

Cisco :: Adding VLAN To Trunk Ether-channel Ports On 2960?

Dec 25, 2012

I have trunk etherchannel ports 47,48 which both have Vlans allowed on trunk 70,71. Everything works pretty fine. Now I am trying to add a new VLAN 72 to these ports.

conf t
interface FastEthernet0/47
switchport trunk allowed vlan add 72
exit
exit

So far so good. But when making the same command for port FastEthernet0/48 my switch stuck.

View 8 Replies View Related

Cisco Switching/Routing :: 3120G Ether-Channel Mode ON

Jan 10, 2012

running  ether-channel mode on. I have a 3120G Blade Switch (stacked). The blade  switch connects to the blade servers (internal). Gi1 /0/1 connects to eth0 and gi2/0/1 connects to eth1 on the blade server. [code]
 
The  issue is when is shutdown eth0 on the server, the corresponding  interface on the switch (gi1/0/1) does not go down, show up and running. 

View 3 Replies View Related

Cisco Switching/Routing :: Catalyst 6509 - Ether Channel Configuration?

Dec 1, 2011

I came across a Catalyst 6509 switch configuration and have noticed some strange thing on the ether channel configuration side, it appears that it have interface port-channel 2 and port-channel 2A, what was that mean? its the ether channel not forming and joined together?
 
What wrong with the below configuration that cause it to automatic created another port-channel (2A) interface in this case?

[code]...

View 3 Replies View Related

Cisco Switching/Routing ::1002 Layer 3 Ether-channel Vs Two Separate Links

May 19, 2013

We were going to create a 2 port, layer 3 etherchannel between a 1002 router and a 3750X layer 3 core switch. We wanted to create bunled link between them but, now we are going to be putting a Riverbed device between the router and core switch. Because of this, would it be best to abandon the idea of creating a layer 3 etherchannel and just have 2 links from the router and core switch and have traffic load balance between the 2 links?The Riverbed will have 2 connections into it from the Core switch and 2 connections into it from the 1002 router. I was hoping to keep the layer 3 etherchannel but, do you think it would be best to create 2, /29 nets and have the router/Riverbed and Core Switch/Riverbed load balance.

View 5 Replies View Related

Cisco Switching/Routing :: 3750 - Cross-stack Ether Channel 20Gb And STP

Feb 22, 2012

i want to realize a 20gb ring stp with 6  3750x stacked by 2. I want to install 2 3750x stacked configured in hsrp mode with other 2 3750 stacked. These 2 different stack are interconnected by a cross-stack ether channel 20Gb  fiber. On the other side of the room i want to create a new stack with 2 3750x with cross-stack ether channel 20gb connected with the previous 2 stacks. So, in total 3 different cross-stack ether channel 20Gb stacks interconnected creating a ring stp of 20 Gb.

View 4 Replies View Related

Cisco Switching/Routing :: 891W 10Gbs Multi-Chassis Ether Channel

Mar 15, 2011

I have an 891W that I initially configured using CCP Express (2.5).  So it has a WAN IP set, and through CCP Express I had enabled via the checkboxes the various default settings for security.  This includes zone-based firewall.  I then added a number of NAT entries in the setup wizard. 
 
What never occured to me at the time was that I should have added entries that allow for remote access.  So it seems I've locked myself out of accessing the router via the WAN interface even though I know it's IP.  I'm sure it's just a matter of adding port exceptions for SSH and/or whatever port(s) CCP uses. 
 
So I"m wondering what the proces woudl be.  In the IOS while showing the running config., I see pages and pages of class-map stuff which at present I don't know enough about to risk editing anything directly.  But maybe I don't have to?  What would be the best way to, for example, enable SSH access through the firewall?  I already have transport input ssh set on the interface itself so I believe it's ready to allow the connection, just that I can't get to it via WAN int. so I assume it's the firewall. 

View 3 Replies View Related

Cisco Switching/Routing :: Ether-channel Between Nexus 2232 And Blade Switch 3020

Aug 6, 2012

I try to connect a cisco blade switch 3020 to Nexus 2232 with etherchannel, but when I connect the second link a obtain flapping on vlans. [code] why the vlans are flapping ? it's something wrong on the config ? [code]

View 7 Replies View Related

Cisco Switching/Routing :: 2960G Configuring Ether-channel On Stack-wise Stack

Sep 24, 2012

A site that i am responsible for has the following equipment installed: 

2 x 3750G Switches configured as a stack using Stackwise - Collapsed Core/Distribution Layer
5 x 2960G Switches as Access Layer switches
 
WAN connections into the Core/Distribution Layer are all Gigabit Ethernet over Fibre.This is a dedicated CCTV Network with 50 Cameras all streaming video into the Core (decoders connected to access switches)Each 2960G has 2 links to the Core/Distribution 3750G Switches, 1 to each switch - Gigabit.I'm running rapid-pvst on all switches, so spanning tree is blocking one of the ports and effectively halving the 2 gig bandwidth. Next year our customer is going to add in a further 50 - 60 cameras.After monitoring the current loading on the ports in use, we have suggested to the customer that the 2 connections to each should be Ether-channeled together. [code]
 
First interface takes commands no problem, keep getting the message that etherchannel cannot be configured across different switches in a stack when i try to put the second interface commands on.

View 8 Replies View Related

Cisco Switching/Routing :: Catalyst 2960-S Channel Bonding Limit

May 15, 2013

we have currently a configuration with 3 bonded (link aggregation) channels, each delivering 1 Gb/s uplink, providing a total of 3 Gb/s uplink. Due to a recent network upgrade, we can now add more channels to the same group in order to have a total of 9 Gb/s uplink, meaning that we should bond toegether 9 channels. When we tried to change the old configuration in order to include six new channels to the bondend group we noticed 2 things: one channel was left in standby (blinking orange led),no increase in the uplink bandwidth semmed to happen,By looking around it looks like the channel group is limited to a maximum of 8 channels [*].

View 2 Replies View Related

Cisco :: 6500 Ether-channel On Two Different WS-X6416-GBIC Line Cards

May 3, 2012

I know there are some line cards on the 6500 that do not play well with each other when trying to setup an etherchannel using two different line cards on the same chassis. I always thought it was line cards of different type, i.e. 6400 with a 6700 but these two line cards are exactly the same model with the same code level.

1) Are the error messages below from this incompatibility between line cards and etherchannel creation?
2) How to fix if the answer to #1 is yes?
3) What line cards work with which for etherchannel creation?

View 11 Replies View Related

Cisco Switches :: Possible To Configure A Cross Stack Ether-channel Between 2 SG500

Jan 17, 2013

Is it possible to configure a cross stack etherchannel between 2 SG500 (in stack) and 1 SG200/SG300?

View 13 Replies View Related

Cisco Application :: CSS 11503 Ether-channel Configuration For Redundant Server Link

Jun 18, 2011

I have already raised this discussion on "LAN, Switching and Routing" group. But I guess this is the right group for my queries. So I am sending my queries in this group again.
 
We are using CSS 11503 with one 16FE line card. We have connected 3 servers with redundant link. So FE1-2 in Server1, FE 3-4 in Server2 and FE5-6 in Server3. Our system team has configured APA in their servers as they are using HP-Ux.
 
1) Do we need to do any configuration at line card.

2) Do we need to do ether-channel at loadbalancer end. if yes, can you share me any cisco doc on how to do it.

View 1 Replies View Related

Cisco Switching/Routing :: SSH Not Working With 2960

Jun 4, 2012

I have an switch 2960 and i have made an SSH connection . But the problem is that whenever i try to open with my teraterm or putty it ask for username and after that password but does take the password. It shows an error of password what should be the problem.
 
Commands that i entered to make SSH
 
config# username admin password pankaj
 
config# ip domain-name home.local
 
config# crypto key generate rsa
 
config# 1024
 
config# ip ssh version 2

View 6 Replies View Related

Cisco Switching/Routing :: 2960 SSH Not Working

Jun 4, 2012

I have an switch 2960 and i have made an SSH connection . But the problem is that whenever i try to open with my teraterm or putty it ask for username and after that password but does take the password. It shows an error of password what should be the problem.

View 1 Replies View Related

Cisco Switching/Routing :: 2960 / SG 300 Switch - VoIP Setup - Asymmetric Routing Not Working

May 21, 2013

I have a Cisco SG 300-20 as the core switch, layer 3. It is 192.168.4.6 on VLAN1 and 192.168.5.1 for VLAN2 (VOIP). All the ports are set in trunk mode. DHCP relay is setup on this switch.
 
The phones connected into a layer 2, Catalyst 2960-S switch. All ports are set in trunk mode. Default gateway on it is set to 192.168.5.1.
 
DHCP for both VLANs is provided by a Windows Server 2008 R2 server (the relay IP 192.168.4.15).
 
There is also an ASA 5510 in the mix which is 192.168.4.1. It has a route added to it for the 192.168.5.0 network to go to the SG 300 (192.168.5.1).
 
Just the two switches can ping each other on the 192.168.5.x network when I "add vlan 2" to the trunk port that is connected between the SG 300 and the 2960. The phones don't get DHCP on the 2960 switch. And I cannot ping 192.168.5.x from the ASA or anything else on the 192.168.4.x network.
 
After a bit of reading on intra-vlan routing for the SG 300 switch, I am thinking the SG 300 has to be the "center" of things so I need to make it 192.168.4.1 to be the gateway for both VLANs and change the ASA to 192.168.4.2 for VLAN1, etc. And I really can't do asymmetric routing with this switch.

View 1 Replies View Related

Cisco Switching/Routing :: 2960 And Nortel 9150 Not Working Together

Jan 18, 2012

We have 3 Nortel RG 9150 remote PBXs installed at a branch location, and  they have been functioning well for years plugged into 3Com 4500 10/100 switches.  These  switches have a very basic configuration; nothing special.  We are  transitioning over to Cisco 2960 switches with very basic  configurations.  The problem is that when we plug the 9150 into the 2960  switch, the RX light flashes like it should, but the TX light only  flickers intermittently.  We cannot ping it from the switch or local  router.  Everything in this building is in VLAN 1.  I've tried turning  on full duplex on the 9150 and/or hard-setting the speed/duplex on the 2960  switch.  The company that maintains our 9150 sent a guy out who was  completely puzzled by this too.  In some ways this seems too basic to be a problem, but it is.  The twist on this problem is that the 3Com switch, which the 9150s are plugged into, is connected directly into the Cisco 2960 that I can't make them work on.  Plug them into the 3Com, they work; move them upstream to the Cisco, and they stop, even after I reboot them.
 
Here are the port configs of the 3Com and Cisco switches.
 
Cisco
interface FastEthernet0/15
switchport mode access

[Code].....

View 15 Replies View Related

Cisco Switching/Routing :: Cat 2960 - Map / Service-Policy Input Is Not Working

Nov 10, 2011

I have some trouble with that policy-map on my 2960 or 3560 switches with LAN base 12.2(53)SE2. I want to use that feature to catch video traffic from webcams in laptops  which can't send dscp values out of the box. This is my test config to check if the function is working: catch every traffic from my workstation for testing, access-list 101 permit ip any any, class-map match-all CL_TEST

1. I can't see any counters with the command "sh policy-map interface  FastEthernet 0/1". Cisco tells that this command is not possible. But how I can see if the policy is working correct?
2. When I did the configuration I can't see any packets with dscp af41 on the out going interface on the switch with "sh mls qos int gi0/1 statistic" as I expected. After reloading the switch I see the pakets with af41. Okay for that moment. But.After that I changed something in the policy-map. Only "set ip dscp ef" for a second test.

Generating some traffic I see only packets with af41 as before I changed the policy-map. No traffic with ef on the outgoing interface.

View 4 Replies View Related

Cisco Switching/Routing :: Auto-redundancy Using Etherchannel In 2960 Not Working?

Apr 15, 2012

I'm using Packet Tracer for testing since I don't have the actual equipment. I have configured etherchannel between two 2960 Switches. I have used the trunk ports FE  0/23 and FE 0/24 on both switches to create the etherchanel. I have connected one PC with each switch. The PCs are in the same VLAN and can ping each other. Howver, when I take down one of the links in the etherchannel, the other link does not take over and I get 100% packet loss. I don't know what seems to be the problem. I'm quoting the configurations below:
 
Switch0:
Switch#sh running-config
Building configuration...
 Current configuration : 1179 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec

[code]....

View 3 Replies View Related

Cisco Switching/Routing :: 3925ISR Backing Up IOS And Configurations From Ether-switch Module

Jul 10, 2012

I am trying to research the possiblity of backing up IOS and configurations from an Etherswitch module, and being able to store the files onto the Host Router's flash (3925 ISR). and then being able to recover that IOS and configuration, in case I have to replace the Etherswitch Module.

View 1 Replies View Related

Cisco Switching/Routing :: Add 2960 To Stack Of 4 X 2960 Switches

Feb 7, 2012

I have an existing stack of 4 x 2960-S switches connected by stack cables.I would like to add another 2960-S switch to the stack but am unable to as the 2960-S will only allow 4 x 2960-S switches per stack.how I would add the 5th 2960-S switch to the existing stack of 4 x 2960-S switches.

View 12 Replies View Related

Cisco Switching/Routing :: 2960-S To 2960-LST Configuration Over Fiber?

Feb 11, 2013

I have a 24 port 2960-S that is not communicating with a 2960-LST that it is directly connected to over fiber.  The link is up on the LST but will not come up on the -S.  What command should I use to bring up this link?  I have tried no shut from the (Config-if)# prompt.         

View 3 Replies View Related

Cisco Switching/Routing :: Will All 4-ports Of N5K Will Be Same Port-channel

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 ?

View 1 Replies View Related

Cisco Switching/Routing :: Port-Channel Between 4507

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].....

View 2 Replies View Related

Cisco Switching/Routing :: Etherchannel Or Fiber-channel On 3508?

Oct 20, 2012

When you aggregate multiple fiber GBICs together on the 3508G, do you configure it as an etherchannel, or as fibre-channel? I've looked around online for hours, but can't find it mentioned anywhere.

View 3 Replies View Related

Cisco Switching/Routing :: 3750 As A Port Channel Bridge?

Dec 7, 2011

I have 3750 core/distribution switches with routing enabled in two offices connected with copper link and L3 port channel interfaces. NewOffice#2 has moved about 5 miles farther away from office#1 and I have to deploy new core/distribution switch connect it to old core#2 via F.O and move all access switches with it. Old core will stay in old #2 offices as a bridge between office#1 and new office#2 Office#1core<->copper (Ethernet) <->oldoffice#2core<->f.o. <->new office#2core How I should configure port channels ports on oldoffice#2 core to act as bridge between office#1 core/dist and newoffice#2 core/dist without changing anything else (ip, etc) on whole network

View 1 Replies View Related

Cisco Switching/Routing :: Catalyst 6500 BUS EoBC Channel

May 5, 2013

"How to display the EOBC error counters in the Catalyst 6500 series switches and a definition of the EOBC interface" document here on support forum stays that The Ethernet Out of Band Channel (EOBC) is a  half duplex channel that services many functions, which include the  Simple Network Management Protocol (SNMP) and the packets that are  destined for the switch.
 
Previously i were thinking that EoBC used only for SCP  and SLP protocol. In addition i found other article (but not on cisco site, heh) where stays that The Results bus is a       control plane, while the C (EoBC) bus is more of an       "admin plane", thus you will never see data       packets (such as CDP, SNMP, etc.) going over the R or C bus.
 
So there is a big contradiction between those two statements. How to prove one of those and if first one right, what meaned under the packets that are  destined for the switch in it? SCP and SLP or other traffic as well?

View 3 Replies View Related

Cisco Switching/Routing :: 6509 Trunk To Port Channel

Apr 22, 2012

I have 2 Cisco 6509 switches linked together via single Fibre as a trunk.I want to change this to a port channel where I will add another 3 fibre ports to the port channel but what order do I do this to minimise any disruption.

1-Configure PortChannel and add the 3 new ports, this will bring up the Port Channel but what effect will this have on traffic currently going over the single Trunk link? Will spanning tree go mad, how will switches react?

2-Convert existing Trunk link to Portchannel then add in new ports to PortChannel, I guess in doing this there will be a small hit on traffic as it changes to a port channel.

View 2 Replies View Related

Cisco Switching/Routing :: Lost Port Channel Between 6513

Feb 24, 2012

We have 2 6513's that are linked via 2 10 gig interfaces, using an LACP channel.I received an alert this aft stating that the far 6513 was unreachable and the port channel int PO3 had gone down, the 2 10 gig interfaces had also gone down on either side. 5 mins later PO3 had resestablished itself and has been fine since. [code]

View 4 Replies View Related

Cisco Switching/Routing :: 6506E SUP2T QOS Channel Consistency

May 21, 2012

I have a catalyst 6506E (WS-C6506-E) with a SUP2T supervisor (VS-S2T-10G) card and a 10G interface card (WS-X6816-10G-2T) + DFC4.I have configured an etherchannel to another switch with the 2 10Giga ports of the SUP2T card and 2 10giga ports of the interface card.I only use the 10Giga ports of the SUP2T card so the cards have the same QOS transmit capabilities.But they do not have the same receive capabilities.
 
So when I configure QOS (with the new commands on SUP2T) on my 4 ports within the Etherchannel, 2 ports move down because of the inconsistency.
Till this point, no surprise.
 
The problem is that the command "no platform qos channel consistency" replacing the "no mls qos channel-consistency" does not exist.I run the last IOS 12.2(50)SY1 IPSERVICESK9.
 
And I cannot have QOS on my Etherchannel on the 2 cards.Or I have to use 4 ports of my interface card but in case of failure of this card, I loose the whole etherchannel.I there a way to avoid the consistency check ?

View 2 Replies View Related

Cisco Switching/Routing :: Nexus 5018 / Port Channel Down?

Feb 7, 2013

We are running nexus 5018 in our DC.What is the difference betwen "channel-group 214 mode active"  and " channel-group 216" Any difference?.. because i have problem with this config we are going build a server config? 
 
We have problem with porth channel down.
 
5K# sh int po71
port-channel71 is down (No operational members)
vPC Status: Down, vPC number: 71 [packets forwarded via vPC peer-link]

View 1 Replies View Related

Cisco Switching/Routing :: 3750 - How To Setup Port-channel

Jan 22, 2012

I set up a port-channel trunk between a acess switch 3750 ( int gi2/0/1 and gi2/0/2) and Core 6509( int gi7/11 and gi7/12).
 
On the both the 3750& 6509 I configured:
 
interface Port-channel15
switchport
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 100,103
switchport mode trunk
 
But the ports on the core g7/11 and g7/12 keep shutdown and when I do show interfaces port-channel 15, it show the interface is shutdown.

View 6 Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved