Cisco WAN :: Nexus 5Ks Reporting TCNs From Nortel / HP C-GbE2
Apr 27, 2012
We have discovered Nortel/HP C-GbE2 switches on our network are sending spanning tree Topology Change Notifications (TCN). The HP switches only have servers connected and no other switches leading to any other network segment so we are not clear why the switches are sending spanning tree TCNs every second. We do not have a support contract. Can anyone on the Cisco side speak to what's referenced on page 5-6 of the attached document? I found the attached document which talks about diabling spanning-tree (page 5-6) in Cisco environment but wanted to consult with an expert before proceding. Document (Configuring Nortel Gigabit Ethernet Switch Modules for IBM BladeCenter in a Cisco Environment Solution Brief.
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Nov 2, 2011
Connecting a legacy Nortel switch (425/450/470/BPS) to a Nexus 7000 via gigabit fiber? I have a customer trying to do it and they say that the connection never comes up. The support on the Nortel stuff is long since expired, so Avaya is not being particularly useful. Apparently Cisco says the issue is "fast link pulse to the BayStack to determine the capabilities of the uplink and the BayStack is returning all zeros." I have not verified this and actually have not yet gotten my hands on the Nexus side of things
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Jan 31, 2011
Is there any way to get reports on voice utilisation on WAN links so that CAC settings can be proactively managed for each location on our CUCM cluster? Our service provider is advising that this is not possible which means that we rely on customer/staff complaints to recognise where CAC thresholds are being reached. Our preference is to be able to run traffic reports (or the Cisco equivalent) as could be done on our previous (traditional) telephony network and provide additional capacity if and when required BEFORE congestion is reached, thus minimising customer/staff impact.
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Sep 27, 2011
Runing the report, "CleanAir > Worst Interferers" and I get this error
The specified criteria did not match any data for the report. Make sure that the following background tasks are running: 1. Interferers
I know there is data that should match up because I can see it on the individual controllers. I checked the background task Interferers and it appears to be working as well but just to make sure I forced the "Execute Now" command but the report still failed.
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Jul 31, 2011
WCS is reporting few AP's are not associated with it. While troubleshooting, AP conneceted switch interface shows UP/UP and show power inline output gives IEEE PD instead of AIR-LAP1131AG-E-K, after doing a shut/no shut on AP connected interface. Later after sometime AP comes up.
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Mar 6, 2012
I'm currently running Cisco LMS 4.1. I need to see if there is a way in the LMS, either through the menu or via a report, that can give me the V LAN numbers, the description, the IP address, the Interface (SVI) the v LAN is on and the route it takes.
I've searched near and far and haven't come up with anything yet.
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Sep 26, 2011
we are running WCS 7.0.164.3 and wonder whether is there any reporting option availabel that can give us daily report on Top 50 or Top 100 APs by client count.
I know that I can look at the client tab under WCS home page and see the top 5 APs by client count on real time.In our environment we have around 700 APs and would like to know by having this kind of report which APs are mostly hit ?
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Jan 31, 2011
I have not managed to get the Monitoring to work on the ACS 5.1. This is an eval version. Advanced monitoring and reporting is installed on the ACS. This is my configuration on the Cisco Router
aaa accounting exec default start-stop group tacacs+aaa accounting commands 0 default start-stop group tacacs+aaa accounting commands 1 default start-stop group tacacs+aaa accounting commands 15 default start-stop group tacacs+aaa accounting connection default start-stop group tacacs+
logging origin-id iplogging facility sysloglogging source-interface GigabitEthernet1/1logging host 1.1.1.1 transport udp port 20514
logging monitor informational
epm logging
On the ACS, when I open the dashboard --> ACS health -> I get Status not available.Global Instance under Logging Categories been configured for local logging?
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Jan 8, 2011
I just upgraded yesterday to the DIR-655 (ver B1, F/W Ver 2.00NA), and suddenly my sons Xbox 360 complains that the NAT is set to moderate. I'm not really sure what this means, but I've never seen it before and it wasn't an issue with my old router. It pertains to the DIR-655? I did some quick google searches and I've seen lots of different 'solutions' to this issue, but none of them seem to agree with each other and I'd rather not spend and entire afternoon trying one after another given that this router kills my internet connection for a full 20 seconds every single time I make any change.
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Dec 23, 2011
I noticed one awkward thing with the latest 1.0.3.5 firmware for the Cisco Small Business RV220W router, with previous firmwares there has always been reported 128mb of system memory (RAM) under the router dashboard. And several "teardowns" of this router has confirmed it to have 128mb of memory on the router board.
Does that mean the latest 1.0.3.5 has an odd visual bug, or has the RV220W gotten it's memory sliced in half with this firmware release?
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Jun 12, 2013
Is there any way to determine how much bandwith users on a particular WLAN (Guest) are using on the 5508 or by any other means?
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May 16, 2011
I'd like to know if there is a way to exclude passed authentications for a specific username from reporting in the Authentications-TACACS and Authentications-RADIUS reports?
We have a few usernames that are used in scheduled jobs. We only need to know when they fail authentication, so we don't need to fill up the reports with every passed authentication from these accounts. Can this be done?
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Apr 23, 2013
I'm using ASA 5510 and I wondered if we can configure reporting to know the traffic on each interface,the attacks,the vpn connection during a period ( 1 week or 1 month). For the moment, we can see these logs only in 'real time' .
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Jan 1, 2013
We have 2 ASA 5505 located in head office (173.212.xxx.xxx) and remote site (50.34.xxx.xxx) and site-to-site VPN has been established between them.everything is fine but the ASA in head office keeps reporting below 402120 syslog message.
4 Jan 02 2013 12:30:34 402120 50.34.xxx.xxx 173.212.xxx.xxxIPSEC: Received an ESP packet (SPI= 0x384E1C57, sequence number= 0x2AE77) from 50.34.xxx.xxx(user= ) to 173.212.xxx.xxx that failed authentication.
Even though, VPN tunnel is not dropped.
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Apr 17, 2011
For the moment we run a Nortel VPN server at work and I have on my laptop the Nortel VPN client. While I could connect through when I had my Linksys E2000 connected up now I can't after I replaced it with the 5505. (running 8.4(1).) what I should do on my 5505 so I can allow the nortel client to connect out?
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Feb 1, 2007
I'm trying to establish a site to site ipsec tunnel between an ASA 5520 and a Nortel Connectivity box. Despite trying a number of different transform sets and IKE setups it keeps failing at phase 1 with:
Information Exchange processing failed
Received an UN-encrypted INVALID_ID_INFO notify message dropping.
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Jan 10, 2013
1) How do you manage your inventory of network equipment from the time you receive a product into inventory to the time you decommission it?
2) How do you make aware the people who manage your network monitoring/reporting software that a device has been added/removed from the field?
2a) How do you notify the people who manage your network monitoring/reporting software of what is to be monitored on a new device in the field? Of a new interface that has been added/removed on an existing device?
2b) How quickly do you notify for 2/2a? i.e. minutes, hours, days, etc.
3) What types of interfaces and resources do you monitor on a network device?
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Mar 20, 2011
I have just gotten a new touch phone that has wifi. and i wanna use it through my dlink dir-825 router. My phone is the nexus s with 2.3 andriod OS.The problem is that my phone can see the 2.4 ghz connection it just keeps reporting "deactivated" i did acess other wifi and used the internet over a router. So i know the phone works.
So my question is: 1. Can i make my router ONLY be in 2.4ghz mode, if so, can you link or explain it?
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Jul 18, 2012
I have worked on cisco switches only..I want to configure nortel5510 have configured vlan.but Switch Ip address is changing when I am giving ip address to port. and i cant see port ip configuration in show runn also i want to configure loopback.I am configuring switch ip address 192.168.123.1/24 but when I give ip address to port 192.168.120.17/29(PORT IN DEFAULT VLAN) switch ip address changes automatically.I have port 1-4 configured in vlan 1 other ports are in L3 vlan.I want see port ip address details Like we see in cisco (SHOW IP INTERFACE BRIEF ) what is command in NORTEL??
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Jan 15, 2012
We are a business partner of a larger company that gives us a VPN access to connect to one website. It's the Nortel VPN so it's old but it's set to disconnect our Internet when we connect which is really inefficient. I understand why it does that but right now we use two computers, we have one as our main one then another sitting here just for VPN.Does the Nortel VPN work system wide when it disconnects the Internet? Or is there a way to use Ethernet and Wifi and just have the VPN connect over Ethernet and just disconnect the Internet there but keep my local network on Wifi? Or is that not possible? I'm assuming it's not just wondering if there's any alternatives.
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Feb 28, 2011
How to configure vpn client on windows 7 professional 32 bit os
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Mar 26, 2012
I am configuring new ACS 1121 appliance with version 5.3 and wanted to know how to configure Remote Database settings in ACS5.3 Is that necessary to configure that option ?
Also one more thing I can see that ACS 5.3 generates lots of logs is there any solution to reduce such logs. It seems many unuseful logs which are system related are getting logged into device which might no be good for memory requirements of device.
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Aug 21, 2012
Currently using Cisco ISE 1.1 to authentication both dot1x and mab from Cisco switches. Both features are authenticating properly.When we use a Nortel/Avaya switch for the authenticator, we are unable to authenticate using mac bypass (non-eap (or neap) in Avaya talk..). The correct authentication policy is found in the ISE, but the mac address is not found in the database. We know it is there because the same mac is authenticating with the Cisco switch. Dot1x authenticates properly from both the Cisco and Avaya authenticators. Could this be an issues with the username/password format in the Radius packet from the Cisco?
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May 24, 2012
If the ports on a 5508 can only perform etherchannel(no LACP or PAGP), only on mode, how does a 5508 create a bundle with a nortel switch?
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Sep 25, 2011
How to build dhcpd pools for nortel phones on an asa 5505. This is the config that I'm trying. The results I'm getting are that the pc and the phone both pull addresses from the data pool. If I switch the vlans on the trunk port, both devices pull from the voice port.
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Mar 26, 2013
We have 2 x Nortel 8600s (now Avaya) that are 6-7 years old. They have 96 1GB ports on each and we only use about 30 and the CPU average is around 2% and memory is 40% (256mb). Going into 8600s we have 8 x Nortel 5520 48port gig switches.
We want to replace the 8600s at some point and I wondered roughly what Cisco device would possible suit us. We are not after the best high end switches that we will never utilise, but ones that will aid us grow for the next 5 years.
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Nov 23, 2011
We are having one HP core switch and VLAN is configured on it. Four Nortel BES1010(24port) switches will be connected to this HP switch. We need to configure the VLAN tagging in the Nortel switches in order to make deices connected to nortel switches can communicate with devices in the VLAN.
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Nov 27, 2011
We have a pair of 6509 working in a VSS configuration (IOS 12.2(33)SX5). The 6509s connect to a pair of ASAs (7.2 code) running in an Active/Standby setup. These ASAs in turn connect to routers going to remote sites. I have configured Netflow on the following VLANS,
VLAN 10 - Servers Vlan
VLAN 9 - Transit/ASA VLAN (connects ASAs to 6509s). All traffic originating from any VLAN on the 6509 crosses this VLAN in order to reach remote sites and vice versa
I configured the netflow source VLAN 11 although I am not collecing any netflow from it.Although I have been getting lots of Netflow info, I noticed that netflow for traffic originating from any user VLAN on the 6509s going to any remote site via TRANSIT/ASA VLAN(9) does not get reported, I even tested with 4 GB traffic but no result. Only reverse traffic (i.e. from remote site to user VLAN) is reported as it traverses the Transit VLAN (9).
I read somewhere that egress netflow is not supported in 6500, but isnt traffic originating from a user vlan to a remote site via the transit VLAN (9) considered ingress with respect to the transit VLAN (9)? I would like to know whether bidirectional Netflow is supported on 6500 VLANS. I have mimimum control on routers beyond the ASAs, and since these ASAs run 7.2 code netflow is not supported, and Monitoring this Transit Vlan gives me extremely useful info.
I do get netflow biderectional traffic from the Server Vlan 10, but I think it is correlated by the netflow collector from vlans 9 and 10. [code]
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Nov 3, 2011
I’m intending to establish a VPN connection between Nortel 1140E phone behind a ADSL router and a Cisco ASA 5520.can any one confirm to me if the vpn client on the Nortel 1140E phone is compatible with Cisco ASA
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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].....
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Aug 19, 2012
I have a customer that wants to change their Nortel 5520 switches to a Cisco solution, and I wanted to ask what would be a good solution for this customer. presently they have 4 48 port PoE and 2 24 port PoE stackable 5520, and they are interested in redundant power supplies for the switches. I was thinking that the 3750 is good for this site.
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Jun 6, 2012
I've just completed a port security project at a site on numerous Cisco switches and all works well, however they have 2 Nortel 5520 switches (which I left until the end) which they would like to lock down. I have logged a message on the Nortel forums and I have heard nothing for days. I just need to lock 2 ports down to the Mac address of 2 computers stopping any other computer being plugged in.
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May 25, 2011
How to configure dynamic VLANs (IP subnet-based) using Nortel JDM? My company is now using port based VLAN and it wastes a lot of time reconfiguring the port to its VLAN everytime their devices moved from one place to another place. So I think using IP subnet-based VLAN might solve the problem?
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