Cisco Switching/Routing :: LMS 4.2.3 Is Not Generating Protocol Flap / Down Alarms?
Apr 10, 2013
We are using CISCO LMS 4.2.3 in our network in India, we are facing a issue regarding alarm generation for a protocol flap/down, especially when BGP / OSPF neighbourship got flapped.These flapping will result in the data service degradation , by which we came to know that some protocol flap may occurred at router end & then we go for the manual check by login into the router.after escalating the same to cisco we came to know that it is a bug of Cisco LMS. using any other method/technique to view the protocol down alarms automatically for cisco routers.
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Apr 10, 2013
We are using CISCO LMS 4.2.3 in our network in India, we are facing a issue regarding alarm generation for a protocol flap/down, especially when BGP / OSPF neighbourship got flapped.These flapping will result in the data service degradation , by which we came to know that some protocol flap may occurred at router end & then we go for the manual check by login into the router.After escalating the same to cisco we came to know that it is a bug of Cisco LMS. using any other method/technique to view the protocol down alarms automatically for cisco routers.
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Jun 19, 2012
I am unable to see the interface down alarms on my cisco works LMS 4.0 .
This problem is happening only for the Gigabit interfaces , i m receiving the alarms for the POS interfaces . The router status is showning as known .i have also added this interface in poller also .
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Feb 8, 2010
I am having an issue at one of our remote agencies whereas we are getting numerous mac-flap notifications on our switches. This has become kind of a hinderance as we are getting tired of seeing these messages. The end users havent been complaining.
It's usually occurring with the same mac-addresses over and over. Upon further investigation, we found the mac-addresses are all on laptops which have both wireless and wired nic's. There are wireless AP's (cisco 1242's) in use which they can connect. We also found where the error is popping up as they move from wireless into docking into their docking station which has a lan cable attached. I was under the assumption that the wireless mac and wired mac were different numbers and therefore if the wired was up simultaneously with the wired, as it switched over, they shouldn't get a flap.
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Feb 27, 2013
I currently have a stack of 3750G switches with a cross stack etherchannel connected to a 3750E stack in the distribution layer.The 3750G stack is running 15.0-2SE IP Base. I began noticing the Mac flap issue when I was Re-enabling dot1x on the switchports. As first I thought dot1x maybe have contributed to this so I removed it from the stack temporarily.I am still seeing Mac flap logs usually when a machine reboots or re-connects back to the network. These are all wired desktops.I started looking at the etherchannel configuration which is using LACP. The 3750E stack looks fine with all ports in mode active. On the problematic 3750G stack I noticed 3 of the ports in the etherchannel set to mode active and 1 port set to mode passive. The port shows as bundled but I can't imagine this is ok.The only other difference on this one port is there is no mls qos commands like on the other 3 interfaces in the port channel.I mainly need to know what the Mac flapping is about. Whether it is a bug or related to the current etherchannel configuration.
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Nov 8, 2011
We have a couple of IBM blade chassis with Nexus 4000I 10G blade switch in it. Four 10G ports from each Nexus 4000I switch are bundled into a port channel and connected to Nexus 7K. On the 4k end, one port in the port channel is doing down and coming up as an idividual port. After few minutes it is going down again and coming up as a port-channel member port. It is happening quite offen. [code]
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Feb 20, 2012
Here is an example of what each switch logs when a server drops offline. Sample logs taken between 5:32am and 5:35am on Feb 20. This particular one was having problems all weekend. Switch #1 encountered over 2000 interface resets. The corresponding VPC port on Switch #2 only had 13 resets.
NEXUS SWITCH #1
2012 Feb 20 05:32:09 q91-sw01-5010 %ETH_PORT_CHANNEL-5-FOP_CHANGED: port-channel10: first operational port changed
from Ethernet1/10 to none
2012 Feb 20 05:32:09 q91-sw01-5010 %ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel10: Ethernet1/10 is down
2012 Feb 20 05:32:09 q91-sw01-5010 %ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel10: port-channel10 is down
2012 Feb 20 05:32:09 q91-sw01-5010 %ETHPORT-5-IF_DOWN_PORT_CHANNEL_MEMBERS_DOWN: Interface port-channel10 is down (
No operational members)
[code].....
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Sep 19, 2011
Recently I had came across 1 issue where one of the server IP had conflicted with VIP of Nexus core switch. The blade server was physically connected to Nexus Distribution switch which in turn connects to Nexus core. Neither Nexus core nor distribution had generate any logs in regards to IP conflict which ideally happens on Cisco catalyst switches. I haven't find any document on cisco as well as on internet for this issue . I dont know what logging need to enable on Nexus for this specific case . There are different logging levels define for every feature like hsrp, ip,monitor etc...
We have Nexus 7k with latest release 4.2(6) Software
BIOS: version 3.22.0
kickstart: version 4.2(6)
system: version 4.2(6)
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Oct 26, 2011
1. How to check the history alarms in Router 7609?
2. How to check whether an Interface was down?
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Aug 13, 2012
Everytime the console port is plugged in, the alarm contacts (1-4) randomly assert (trigger) and then clear themselves in random orders. Nothing is plugged into the ALARM port and all Alarm setting are default. Below is the syslog message and Alarm Settings:
CGS2520-C#show env allSYSTEM TEMPERATURE is OKSystem Temperature Value: 45 Degree CelsiusPOWER SUPPLY 1A TEMPERATURE is OKPOWER SUPPLY 1B TEMPERATURE is DisabledPOWER SUPPLY 1A Temperature Value: 49 Degree
[Code]......
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Apr 18, 2012
I have a collapsed core design with routed ports between all components. Access layer switches, data center switches, core/aggregation. All routed (no spanning-tree at all).Now...I have to add an IBM BladeCenter with a BNT layer 3 switch to my topology. However, those nasties don't seem to support routed ports.How can I have a routed port on my cisco switch and a standard access port on the BNT and still establish an adjacency with an SVI? I am running OSPF, but I am labbing this in my home lab with 2 x 3550s and EIGRP.
On SW2:
*Mar 1 00:57:00.711: EIGRP: Received HELLO on Vlan100 nbr 10.1.1.1
*Mar 1 00:57:00.711: AS 999, Flags 0x0, Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1
*Mar 1 00:57:02.303: EIGRP: Sending UPDATE on Vlan100 nbr 10.1.1.1, retry 9, RTO 5000 tid 0
*Mar 1 00:57:02.303: AS 999, Flags 0x1, Seq 17/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1
[code].....
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Mar 25, 2012
I have an environment where i have two nexus 7010 switches, along with 2 nexus 5510's. I need to run OSPF as a layer 3 routing protocol between the vpc peer links. I have 1 link being used as a keep alive link, and 3 other links being used as a VpC link.
1) Is it best to configure a separate Vpc VLAN i.e 1010
2) Is it best to configure a vrf context keep-alive
3) just have the management address as the peer ip's.
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Jan 10, 2013
I have bought Cisco ISR 881 C880DATA-UNIVERSALK9-M with c880data-universalk9-mz.150-1.M7.bin ios.
command "show ver" tell me:
License Information for 'c880-data'
License Level: advsecurity Type: Permanent
Next reboot license Level: advsecurity
So I have advsecurity. On cisco site there was a thing URL
"Table 5. Cisco IOS Software Features on Cisco 880 Series: Advanced Security Feature Set (Default)"
that tell me I have RIP protocol to use. But when I type "router rip" command and sub router sommands like: network, passive-interface, redistribution. There are no in runnning-config such things after all I've done. It have not been saved.
then the command "show licence":
#show license
Index 1 Feature: advipservices
Period left: Not Activated
Period Used: 0 minute 0 second
License Type: EvalRightToUse
License State: Not in Use, EULA not accepted
License Count: Non-Counted
License Priority: None
I need even RIPv2 to have simple routing information to exchange.
And I don't know. Cisco 880 series is G2 or G1. Cisco ISR beginning from 890 series is G2. About 880 I don't know. There no informanion about it or at least I have not found it yet. On one 891 is the same problem. When I type "router eigrp 1" everything is great. But when "router rip" - do no work.
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Feb 24, 2013
I have encounterd a broplem on my Cisco 805 model.
When i use the command "show ip interface brief" the status shows "up" but the protocol is "down" on my serial interface.
The link between my to sites is down after this happend.
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Apr 14, 2013
When I config BGP on my 3750X Switch, it show error as below:
protocol not in this image
should I need to upgrade the IOS or Where I can found a supported image (support BGP)
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Jul 10, 2012
I am trying to enter this command in Cisco 2960 but the device is not accepting it. Is this because of IOS or this command is not available for 2960?
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Jan 31, 2013
I am trying to review the port-channel configuration on a 6500 series. I am issuing the "show etherchannel summary" command and the out put shows the Group, Port-Channel, and Ports. It does not show me the protocol that is in use such as PAgP or LACP. Does this have to do with the Etherchannel in the "On" mode rather than "active", or "Auto"?
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Jun 18, 2012
I have configured SPAN in cisco 3750 switch as below mentioned. but the destination port protocol is down.switch(config)#monitor session 1 source interface gigabitethernet1/0/1switch(config)#monitor session 1 destination interface gigabitethernet1/0/11 ingress vlan 1
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Dec 1, 2012
On our backbone (Cisco 6509) we have the following config.
spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree vlan 1-200 priority 24576
1. is rapid-pvst the best spanning tree protocol to use? on some switches we have pvst (not rapid)
2. do all switches in the LAN need to use the same protocol?
3. does line 3 :priority 24576 mean that someone set tis switch as root manually? how can one further enforce the backbone as root (so noone adds a old switch with lower root id)
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Oct 29, 2012
I'm trying to implement the UDLD protocol (Cisco-compatible), but face some problems. There is no enough information for implementing this protocol neither in RFC 5171 [URL] nor on [URL] How can I get a more detailed information regarding protocol state machines and timers?
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Dec 25, 2012
I want to configurate Vpdn protocol PPOE but i can not write protocol ppoe under vpdn group name on cisco 2811. cisco 2811 iso is 12.4 T adventurer and i upgrade it 15.1 advansecure but problem is still.
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Jun 10, 2013
Will Resilient Ethernet Protocol (REP) run on all Cisco switches (2960S and 3010) or is it only available on Service Provider switches like the ME3400E?
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Aug 27, 2012
I work for a Wireless ISP and the device impacted is the back haul radio into the site. I have swapped from a 2950T to a 3550. Replaced the radio, PoE, patch lead. We have re ran the cable up the tower using shielded outdoor cable with a drain wire which has been earthed to an earthing block in the cabinet. We have other devices on the tower not experiencing the issue. We suspect cable interference however am now at a loss to diagnose further.
[Code]....
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Jan 31, 2012
Currently our Cisco 3750 have one interface (port 1) that connected to our provider (Internap) with the IP 66.150.7.68 assigned. Now we want to upgrade to dual handoff L3 protocol. Below is the network configuration from Internap.
>>>> We have assigned the below /30s for each of the interfaces and will statically route the 66.150.7.0/25 down both interfaces.
>>>>
>>>>
>>>> 63.251.162.20/30
>>>> 63.251.162.21 - border1.sef003 - Internap side
>>>> 63.251.162.22 - your side
>>>>
>>>> 63.251.162.184/30
>>>> 63.251.162.185 - border2.sef003 - Internap side
>>>> 63.251.162.186 - your side
tell what command lines do I need to input on my Cisco switch for port 1 and 2 in order for the dual handoff to work correctly?
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Apr 4, 2013
I'm trying to upgrade NBAR protocol pack on my Cisco 1941 router, so i downloaded new NABR protocol pack (version 4.0.0) and transferred it into router flash via tftp. When i try to apply new protocol pack with command : ip nbar protocol-pack flash:[protocol-pack-name]
i got this error :
% NBAR Error : Advanced Protocol Pack can not be loaded on top of Standard Protocol Pack
The router is running IPBASE IOS with Security License, IOS image is c1900-universalk9-mz.SPA.153-1.T.bin. Does NBAR2 packages works on IO BASE images?
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Feb 15, 2012
I have been having following situation on my WAN facing interface on Cisco2911 where the same number of broadcast, multicast and unknown protocol drops is happening. Not sure but some applications are struggling to run over on the WAN.
[code]....
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Nov 28, 2012
My Company use Core Sw 4507R-Sup 7L-E with Enterprise Services License. I has upgraded to use iOS cat4500e-universal.SPA.03.03.01.SG.151-1.SG1.bin
When I use match protocol in class-map, there are only about 10 protocols, and not have those ones I need. I intend to expand the list of protocols to do some Policy-map by loading PDLM. But 4507 is no longer support NBAR. So do we have another way to set Catalyst 4507R with Sup 7L-E recongnize more protocols in match protocol command?
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Jun 8, 2012
Is there a possibility to transfer files between two N5k's via mgmt0 using TFTP protocol?
Source: One N5k's mgmt0 interface
Destination: Another Nk5' mgmt0 interface
I know when issuing "copy bootflash tftp" or vice versa, I need to specify management VRF. But how do I specify to be TFTP itself sourced from mgmt0 interface in NX-OS? From IOS I was used to use "ip tftp source-interface <interface>", but in NX-OS I have only Ethernet or Loopback as an option.
According to NX-OS Unicast Routing Configuration Guide (Configuring Layer 3 Virtualization) the answer should be in N7k configuration guide, but I didnt find it there either...
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Nov 27, 2012
We are using 3825 Cisco router with IOS version 12.4(24)T2. The unknown protocol drops on our GigabitEthernet0/1 interface is increasing. This interface is connected to our modem. What could be causing this unknown protocol drops?
cnshaccent-gw-2#sh int GigabitEthernet0/1
GigabitEthernet0/1 is up, line protocol is up
Hardware is BCM1125 Internal MAC, address is ffff.ffff.ffff (bia ffff.ffff.ffff)
[Code]....
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Jan 9, 2012
At a college I'm trying to setup a Cisco 2960 to be used on a VLAN 248 tagged on the uplink port that uses Spanning Tree/. Here is the following from the Cisco:
show interfaces trunk
Port Mode Encapsulation Status Native v lan
Gi0/1 on 802.1q trunking 1
Port V lans allowed on trunk
Gi0/1 248
[code]...
On the Alcatel OS6850-48L the following is setup: bridge 1x1 248 priority 3287 Vlan 248 802.1q 5/8 "cisco"
I cannot make a change on the Alcatel, I can only administer the Cisco. I was able to get things working fine (as a test) using a Net gear or HP switch instead of the Cisco. However we have a Cisco switches and would not like to have to buy HPs. Is there a compatible spanning tree protocol to use on the Cisco with the way things are configured on the Alcatel. I need to stick to standard RSTP (802.1w) ieee standards and not something Cisco proprietary.
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Nov 16, 2011
I have a 3845 router. Setup SSH Version 2generated rsa keys (1024)set login localtransport input ssh and telnet is enabled since I can't get ssh connection working When I connect using SSH, I get the following error. server refused authentication protocol.
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Feb 14, 2013
We have one core switch and we are planning to add a 6509. Both are none VSS.All the access switches are Catalyst 3560 series.
We plan to have all 3560s to have a link to each of the core. Without VSS, it is not possible to etherchannel to both core switches correct?What protocol should I configure to prevent in case one core fails? HSRP, VRRP, GLBP?
Do I need to run spanning tree protocol? if so which one?What is the best way to connect from each Catalyst 3560 for load balancing and redundancy? One to each core?
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Apr 29, 2010
Does Cisco WLC 5508 runnig code 6.0.196.0 allows you to generate CSR? Or do you have to use OPENSSL like in previous versions?
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