Cisco WAN :: WS-C2960G-48TC-L - Etherchannel Interfaces In Suspend Mode
Sep 4, 2011
I configured an Etherchannel two interfaces (Gi0/37 and Gi0/39) in a CiscoWS-C2960G-48TC-L, which is connected to an HP Blade, where they spend 2vlan (16 and 17). The point is that they got these interfaces on a trial and upload these were in sleep mode produces the following log.
Sep 1 16:04:38.649:% EC-5-CANNOT_BUNDLE2: Gi0/37 is not Compatible with Po1 and Will be suspended (trunk mode of Gi0/37 is dynamic, is Po1 trunk)
Sep 1 16:04:38.733:% EC-5-CANNOT_BUNDLE2: Gi0/39 is not Compatible with Po1
and Will be suspended (trunk mode of Gi0/39 is dynamic, is Po1 trunk
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Nov 13, 2012
I have a user named "testuser" and trying to authenticate from the xp computer but fails to authenticate. The ACS logs says that authentication failed, the user is in the local database but why it fails to authenticate?
I have cisco switch :
WS-C2960G-48TC-L 12.2(52)SE C2960-LANBASEK9-M
*Mar 8 04:03:55.030: AAA/BIND(00000029): Bind i/f
*Mar 8 04:03:55.173: %AUTHMGR-5-START: Starting 'dot1x' for client (782b.cbc9.a027) on Interface Gi0/2 AuditSessionID 0A6A00200000001924EBD428
*Mar 8 04:03:57.010: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed
[Code]....
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Jan 16, 2013
I managed to upgrade this C2960G-48TC-L from 12.2.35-SE5 to 15.0.2-SE1 and now I can't connect anymore via telnet nor ssh. Console output simply shows
%% Low on memory; try again later
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Dec 20, 2011
I remember I did that one time on 2800 router with Gi0/0 and Gi0/1 to connect another port channel in 3560G switch. I have no way to try it in ISR G2 router like 2900 or 3900 now. I know the the ethernet switch module must support it. I wonder if the integrated interfaces support it or not.
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Jun 22, 2011
I am trying to figure out how to create an etherchannel with sub-interfaces on an asa 5520 running 8.4.1 code. It doesn't seem to allow me to configure any type of sub interface on the port-channel or anywhere else once I create it.
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Jul 30, 2012
On the ASA running the 8.4.4.1 code in transparent mode. Can I create sub interfaces in different vlans and attach them to different BVI groups?
switch---trunk---ASA---Trunk---switch
Gig0/1.1 vlan 100 bridge-gr1 Gig0/2.1 vlan 101 bridge-gr1
Gig0/1.2 vlan 200 bridge-gr2 Gig0/2.2 vlan 201 bridge-gr2
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Jun 15, 2011
We have a 5580 that we want to connect to each of our 7K's as an internal firewall. To minimize hassle, we will setup the ASA in transparent mode.I have been working on this all day today and have run into a stopping point. If I put vlan 20 on a subinterface on Te7/0 which will connect to N7K_1 it works great. When I try to put that same vlan on Te7/1 which connects to N7K_2, I get an error that says the vlan is already assigned to another interface.Our local Cisco SE told us that this would work.
My problem is that not all of our servers/systems are dual homed to both 7K's so I have to be able to get this to work because of potential asymmetric routing issues that we will be dealing with.How to get the 5580 to work in this configuration and can you share your config with me ?Using the redundant interface command isnt an option because I need for both interfaces to be able to route over both 7K's at all times.
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Dec 9, 2012
What is the case with redundant Sup engine 10GbE interfaces. We can only get one in active state, the other interface stays inactive? Can we have all four interfaces active sharing the backplane?
Mod Ports Card Type Model
---+-----+--------------------------------------+------------------+-----------
3 6 Sup 7L-E 10GE (SFP+), 1000BaseX (SFP) WS-X45-SUP7L-E
4 6 Sup 7L-E 10GE (SFP+), 1000BaseX (SFP) WS-X45-SUP7L-E
Mod Redundancy role Operating mode Redundancy status
----+-------------------+-------------------+----------------------------------
3 Active Supervisor SSO Active
4 Standby Supervisor SSO Standby hot
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Nov 6, 2012
i´m looking for two hours now and can not find a way to suspend a device in the Fault Monitor. We´re using LMS 4.2.2
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Apr 23, 2013
nyone know if "vpc-orphan-port suspend" works if i put on N2k interface. not the fex link. example i have fex 101 and i put on eth 101/1/10 will it suspend the port on N2K connected to secondary N5K when peer link is down?
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Jul 16, 2012
For a week now, one of my Cisco 3945 routers displays, from time to time, the following message in its log:
2012-07-16T14:12:43.852017+00:00 cb00-r103 220: [syslog@9 s_sn="59"]: Jul 16 16:12:42 MEST: %SYS-2-INTSCHED: 'may_suspend' at level 4 -Process= "OSPF-100 Hello", ipl= 4, pid= 320
2012-07-16T14:12:43.852017+00:00 cb00-r103 221: [syslog@9 s_sn="60"]: -Traceback= 15CB073z 9081B7z 2851571z 11B7582z 11C275Ez 11C2906z 11C03E3z 1B907B5z 1B9064Cz 1BA5737z 172047Fz 47FFDCz 4D2EEDFz 4D2ED71z 4D2EA2Bz 4D30097z
2012-07-16T15:06:11.686817+00:00 cb00-r103 222: [syslog@9 s_sn="61"]: Jul 16 17:06:10 MEST: %SYS-2-INTSCHED: 'may_suspend' at level 4 -Process= "OSPF-100 Hello", ipl= 4, pid= 320
2012-07-16T15:06:11.686817+00:00 cb00-r103 223: [syslog@9 s_sn="62"]: -Traceback= 15CB073z 9081B7z 2851571z 11B7582z 11C275Ez 11C2906z 11C03E3z 1B907B5z 1B9064Cz 1BA5737z 172047Fz 47FFDCz 4D2EEDFz 4D2ED71z 4D2EA2Bz 4D30097z
[code]....
It never happened before and the configuration did not change. The only thing that happened, the WAN connection (point-to-point to a Cisco 3845) went down and the router rebooted while the WAN was down. When the WAN came up again, everything went fine, until about an hour later and the first occurrence of this mentioned log.This 3945 does establish an IPSec tunnel with its peer (the 3845) and all the traffic, including OSPF, is going through the tunnel.
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Feb 26, 2013
I have a 3com 2948 switch and is needing to put the configuration on a Cisco WS C2960 48 port switch. I am attaching the config to heck if that is correct. I know my IP will need to change to .123
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Oct 23, 2012
i had made a software upgarde on the switch 2960G series have no any passwords, when I fished the upgrade process after rebooting the device i found it need a UserPw to access device manager. i tried to use the default PW "cisco" but it dosen't work too.. after that i tried the password recovery process to rest the PW, but noway, but now i have addition problem, when i try the cmd orders "flash_init , load_helper , dir flash" to beginning the password recovery process it shows the following:
The system has been interrupted prior to initializing theflash filesystem. The following commands will initializethe flash filesystem, and finish loading the operatingsystem software:
flash_init boot
switch: flash_initInitializing Flash...flashfs[0]: 554 files, 19 directoriesflashfs[0]: 0 orphaned files, 0 orphaned directoriesflashfs[0]: Total bytes: 32514048flashfs[0]: Bytes used: 15540224flashfs[0]: Bytes available: 16973824flashfs[0]: flashfs fsck took 10 seconds....done Initializing Flash.
switch: load_helperUnknown cmd: load_helper
switch: load_helperUnknown cmd: load_helper
switch: load_helperUnknown cmd: load_helper
[code]....
After that the problem updated
because I tried to install the IOS by Xmodem to reload the missing flash file.After finsh the TAR file loading and reboot the switch.......the LEDs of mode and Giga ports are lighted amber and not blinking, i tried many times to follow the steps to connect the switch by the emulator and consol cable by holding mode button and connecting the power cable at same time the device does not work, the switch now still not blinking, now i try to read and understand how can i remove the corrupted files and install a new IOS for this switch?What shall i do.
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Jan 29, 2013
Switch A is: WS-C2960-48TC-S
Switch B is: SG 300-10MP
Neither switch supports a similiar transceiver module. We are looking at transceiver GLC-SX-MM for Switch A, and MGBSX1 for Switch B all the Layer-1 information (SX / wavelength, Multi Mode, etc.) I am able to find out about the two transceivers seems to match, so would there be any issue by having these 2 "different" transceivers at either end?
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Oct 11, 2012
I'm somewhat new to networking so bare w/ me if I get some of the verbiage incorrect. We are trying to upgrade our 2960G's to a new version of code (c2960-lanbasek9-mz.150-1.SE.bin).After doing:switch(config)#boot system c2960-lanbasek9-mz.150-1.SE.binand a write mem, we did a reload, but the new version didn't take. We realized that the boot loader version is too old to accept this newer IOS. Here is the how version output:[CODE]
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Mar 7, 2012
I have seen this at two sites now: after migrating the site T1 to 10-Mbps Opt-E-MAN and replacing old 10/100 switches with 10/100/1000 switches, users frequently get http connection errors. The error goes away if the user reloads the page--sometimes they have to reload more than once. They never had this problem before.I thought it was due to the large number of 5-port desktop switches infesting the networks (I'm getting rid of them as fast as I can) but it happens even on a PC directly connected to one of the new GigE switches. It does not happen when accessing internal web pages. It looks like a DNS failure -- but nothing has changed in our DNS setup, except that users have a fatter pipe to our DNS servers.
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Sep 19, 2012
I am facing port speed issue on WS-C2960G-48TC-L series switch.This switch gig0/X ports connected to onother switches (Cisco and HP both switches are also gigbit ports and directly connected ).but interface is giving only 100mb/s output.ios on WS-C2960G-48TC-L is 12.2(44)SE6
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Jul 4, 2011
Default Gateway of ISP----> Switch------->Router
From my router, I can ping Gateway, however I cant ping the switch (WS-C2960G-8TC-L) in between.
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Feb 20, 2012
How do I do a factory reset on a Cisco Catalyst WS-C2960G-8TC-L switch?
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Jun 22, 2012
I have couple C2960G and C3750. Is there any way to filter (on ingress port) type of traffic? I would like to allow IP only, and discard (i.e.) IPX, or other garbage, that any device can produce.I have tried to find something about this, but only thing I have found is feature : protocol filter, which doesn't seems to be working on my hardware.
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May 28, 2013
Two Cisco C2960G Switches connected with each other using an EtherChannel Trunk Ports.IOS Image has been upgraded to c2960-lanbasek9-mz. 122- 58.SE2.bin.The global command "sdm prefer lanbase-routing" has been executed to set the default template to "lanbase-routing".The global command "ip routing" has been executed to enable the ip routing.An IP route has been configured in each switch to point to each other for the static routing purpose (Please see the 2 attached configuration files) The hosts in VLAN 111 and VLAN 110 are not able to see each other even the ip static routes have been configured.May be I have misconfigured some settings but not sure what's the actual problem.
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Sep 16, 2012
I got an ASA 5510 system currently in single context mode, with CSC SSM installed. Single ISP uplink to internet, no VPN. And now customer would like add another ISP uplink, without invest another box for HA.What come across my mind is make the current box into multi context. There's some area i need to concern and also need yours perspective on it.
Question 1: For making the firewall into multi context, am i need to do it from scratch, issue mode multiple command. Then rebuilt the current production config into one of the context, then another context meant for the new IPS uplink, and one admin context?
Question 2: For CSC -SSM licensing requirement, model ASA 5510 with security plus license is able to support 2 context. So if i split my firewall like what i mention in question, what exactly number of context do i own (admin, context A, context B)?
Question 3: For CSC-SSM module in multi context mode, so the management port of CSC SSM must attach at admin context?
Question 4: After configured all the policy and traffic to scan, how exactly i should do in order apply this policy to the interface? Should i only enable at admin context, then firewall service-policy rules, and apply it global, OR should i also do the same action on context A and Context B?
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Mar 4, 2012
We have recently converted 1 Cisco Lightweight AP 1041 to Autonomous mode for site-survey purposes. We now want to convert it back to lightweight mode.
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Mar 12, 2013
I received the following info from Cisco's TAC and wanted to inquire further before I start reconfiguring the switch:
In a redundant Sup-6E setup, the following configuration is supported :
- 1 TenGig uplink on Active Sup and 1 TenGig uplink on Standby Sup
- 1 TenGig uplink on Active Sup and 2 Gig uplinks on Standby Sup
- 2 Gig uplinks on Active Sup and 1 TenGig uplink on Standby Sup
- 2 Gig uplink on Active Sup and 2 Gig uplinks on Standby Sup
If you invoke shared backplane mode, the following configuration can also be supported:
- 2 TenGig uplinks(blocking) on Active Sup and 2 TenGig uplinks on Standby Sup
- 2 TenGig uplink(blocking) on Active Sup and 4 Gig uplinks on Standby Sup
- 4 Gig uplinks on Active Sup and 2 TenGig uplinks(blocking) on Standby Sup
- 4 Gig uplink on Active Sup and 4 Gig uplinks on Standby Sup
Here's the command and information about the "shared-backplane" mode :- [URL]
Currently, we have 2 SUP 6-Es(Module 5 - Active and Module 6 - Stand-by) setup in a redundent mode. I am planning on changing the redundent mode to the shared backplane mode so I can use 2 TenGig converters to uplink 2 access-switches. We purchased 2 TenGig converters and here is how I am planning on using them:
1- One will be used to uplink to two 3750 switches(stacked)
2- One will be used to uplink to a 2960 using a Gig SFP
My questions are:
1- Do I have to install the 2 TenGig converters(4-Gig Uplinks) in the same Module? Or can I use one one in module 5 and the second one in module 6?
2- Will changing the redundant mode to the shared backplane mode require rebooting the switch or disrupt the funtionality of the other linecards?
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Feb 26, 2013
How can we know that 6500 and 7600 series switch and router are running in native mode or in hybrid mode.
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Jan 25, 2012
I am trying to see how can configure MQC in Etherchannel. I know that i need to do this in the memeber physical interfaces of the etherchannel.The etherchannel is a trunk port allowing few VLANs. SVIs are created in the switch for this VLANs as well. tell me where i need to apply the QOS ? Is it under the member physical interfaces ?.
What will happen if QOS applied under the SVIs?
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Feb 19, 2013
I am not able to connect to any webpages in normal mode, even after restarting i still have the same problem [However it works in safe mode with networking]. The network connections show that it is connected and the signal strength is excellent. I then have to keep restarting the laptop like 3 to 4 times and it works. Its kind of frustrating to keep doing this all the time and besides i am scared by restarting the laptop so many time can harm it.
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Feb 28, 2012
i got a Dir-655 router and Dell 1501 wireless -N mini PCI card (802.11 bgn compliant). Router was set to mix mode but my desktop Dell XP8300 can connect only till G mode.
1) I search on web and some said that i need to set my router to N mode only for my desktop to connect to N mode. IS THIS SOLUTION CORRECT??
2) Another issue was my sis got other old brand latop which can only connect to B mode, if i set to N mode only, she won't be able to connect it right?
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Oct 29, 2012
I have 2x6500s series catalyst core switch. i configurated vss. all them are working normal. but i have one problem. some of my servers link is down sometimes. I configurated server links as etherchannel.at etherchannel not both of links down only one link down.this modules i used to connect servers to core switch. modules 3 and 7 slot.
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Apr 5, 2011
I am trying to connect my sever with daual homed to two Nexus 2232 fex which are part of two Nexus 5548 vPC pair( topologyu attached) but getting error on Nexus 5548 as below,
Not sure its allowed under Nexus 2000.
""Port-channel members across FEXes is not allowed, new member Ethernet101/1/12(0x1f6402c0) existing membe: : Ethernet100/1/12 command failed: port not compatible [All HIF member ports not in same pinning group]"""
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Apr 15, 2012
I have two MLS conected by 2 fast ethernet links f0/11 and f0/12 on both sides.I am trying to set up a layer 3 etherchannel using these two links . But when i see etherchannel summary, they dont show up as layer 3. Instead they show as layer 2.
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Feb 18, 2011
I have a Cisco 4006 (old school) and I am trying to setup etherchannel over 4 port. The issue I am having is flapping, it see's two IP addres on the same MAC address. The reason for this is bonding, so all 4 ports are bonded, but I have two servers that need to send a heartbeat between the two server hence the second IP, and the other IP address to send/recieve.
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Dec 7, 2011
I have a etherchannel defined between 2 L2 switches using LACP as shown below. The etherchannel works fine, however when I hard code speed/duplex on both ends the etherchannel fails. What is causing this behaviour?
SW02:
interface Port-channel5
interface GigabitEthernet1/0/1
switchport mode trunk
[Code]....
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