A PC from VLAN10 pings another PC in VLAN 20, and another PC between the switch “sales” and the central router is running a protocol analyzer. List all the protocols participating in this operation. You should determine the L2 source/destination addresses and L3 source/destination addresses.
View 10 Replieswhy the WAN protocols like Frame-relay, HDLC and PPP are called Layer2 protocols?What is the address scheme they use?
View 5 Replies View RelatedSystem Information Firmware Version:V2.0.2.7CPU:STAR 9202 Router is operated 2y. No problems till now.There is sometimes abnormal lost of Internet connection, detected by LAN devices. I found it 3 days ago. This dysfunction is occasional 2-5 per day in occasional time.Nothing was changed/upgraded/updated in my WAN cable router or LAN or in the Cisco router. Nothing was changed on computers site (OS,LAN cards, drivers, ...). Just the problem is discovered on the router side.LAN operatation is correct, no problems was founded. Just the devices on LAN lose the internet connection (Win7, Lnx, Mac).
This is status of my WAN - does not matter if the internet connection was lost or not. It is still same:
STATUS-WAN/Gateway
Interface: UP
IP Address is assigned (checked by provider - correct)
Default Gateway and DNSs are assigned too(checked by provider- correct)
What was checked by me:
1. A. I disconnected the cable router from Cable modem
B. I connected the Cable router directly to laptop. Internet connection was right.
2. I called to my Cable provider to check my connection:
- with direct laptop connection to Cable router - Right
- with Cisco router connected to Cable router - Right, but no Internet connection on LAN side behind the Cisco router
3. Standard procedure was tested:
- Unplugged (electricity & cabling) all devices - Cable modem, Cisco router as well.
- Restart of Cable modem, +30 sec. connection of IP cable to Cisco router, start of Cisco router Still same. No Internet connection.
- SETUP/SUMMARY/Network Settings Status - DHCP Release or DHCP Renew was tryed - Still same.After several minutes - was Internet connection Renewed. Just by itself. how?
I have a CUOM 2.3 and CUCM 7.0 installed, we are planned to have a major upgrade to CUCM to 8.5 soon, do i need to upgrade my CUOM ,since CUOM is a Network management system? If CUOM to be upgraded to 8.X do we need to purchase the upgrade license? Is OM 2.3 to 8.X is a direct upgrade?
View 3 Replies View RelatedMy Customer today have CUOM 2.3 and CUCM 7.1.3. He is planning to do upgrade CUOM 8.6 and CUCM 8.6. My question is: Is it possible to do upgrade CUOM directly to 8.6? If CUOM to be upgraded to 8.X do we need to purchase the upgrade license?
View 4 Replies View RelatedI am using LMS 4.0 and I keep encountering this issue "Error performing SNMP Operation"
View 5 Replies View RelatedI have an issue with two APs (3502i) which is associated to controller wism2. Total number of APs are connected to this controller is 422 and once I added two new APs (3502i) to this controller I am unable to see these APs coming up. Getting error messages like wrong primary controller nad secondary controller. When I loggedin to the controller through CLI following are the details I am getting for the APs which is not registering to the controller:, Also for comparison I am attaching the statistics for the AP which is working good and is able to register.
Note: I thought the problem with these two APs and will try replacing them but when i connected the other two APs to different switch and different subnet the same errors we are seeing.
ISSUE with the AP:show ap config general AB2-4N-AP11
Cisco AP Identifier.............................. 440
Cisco AP Name.................................... AB2-4N-AP11
Country code..................................... US - United States
Regulatory Domain allowed by Country............. 802.11bg:-A 802.11a:-A
AP Country code.................................. -
AP Regulatory Domain............................. Unconfigured
[code]....
I have a wireless access point/modem at one end of my property (which I cannot relocate). To improve wireless connectivity on the other end of the property I am thinking of placing a wifi repeater (probably a cheap one like http:[URL]... mid-point in the property. However I don't quite understand how these things work. I assume repeaters, extenders, boosters are all the same thing?
Does the repeater actually create a new seperate wifi network, so I will effectively have two wifi networks/SSIDs? or will my wireless devices still see only one wifi network? If it creates two wifi networks what happens when I move through the property with say a laptop, will the laptop need to disconnect from one and reconnect to the other hence interrupting the connection? (which is not ideal).
Also does the repeater take up an IP from my main wireless access point/modem? My setup uses a block of static IPs and hence I would prefer not to waste an IP on the repeater if possible.Homeplugs is something else I'm looking into but that seems to be a more expensive option. With Homeplugs I would disable the wireless on the main access point/modem. Then use the Homeplug to put a wireless access point in the centre of my property hence giving fuller coverage.I've also tried higher DBi antennas (& directional ones) but they have not been effective.
I have a cat 3750 switch with the folowing snmp v3 config:
-snmp-server group admin v3 priv
-snmp-server user lmsadmin admin v3 auth md5 password1 priv aes 256 password2
The credentials on the device in LMS are as folowing:
where Auth. password = password1 and private password = password2:
When I run a credentials verification job, I get the following error message:
Error performing SNMP operation.
I have tried this on LMS version 4.0 and 4.1 with the same result.
I want to set up AP 1552 as outdoor access point so serve clients. This AP is connected to 3750X switch and recieving power over ethernet.Now, by default AP 1552 come with bridge mode and it cannot be changed to local mode. I read on one of the post and made it ROOTAP but still the OPER STATUS is down. This device is already registered to my WLC.
what needs to be done to bring the AP in operational status.[code]
wether the Cisco RV180 router model can be configured with a public IP address on the LAN interface? I'm planning to use it in the following setup:
Internet ------------- WAN port (public IP) RV180 LAN port(public IP)-------------- WAN(public IP) RV016 LAN (private IP)
Disabling gateway operational mode and switching to router should disable NAT and allow this setup but need to confirm if it works? I'm concerned if the web management interface actually allows a public IP to be set on the LAN side.
just installed 6 new APs to a client remote site off a 5508 controller. 5508 is running 7.0.116 total of 78 installed APs, mostly 1142's with a dozen or so1242s. All going perfectly until I was about to leave site and noticed two of the APs had no LEDs lit. Checked in the controller, as I had renamed them so knew they were on the system, and they are both there. Connected to each of them and was successful and everything seemed ok - no blue LED though. Rebooted them and the LEDs work as expected during the boot process but as soon as they have entered normal operation the LEDs go dark. urls....but no reports of it with anything other than 3502's.Change process is galacial and heavily monitored so dont want to invoke it if it wont address the concern.
View 10 Replies View Relatedi've the following problem. Check device credential verification job shows "Error performing SNMP operation" for a cisco 3750 configured with snmpv3.On the switch i can see that the lms can access the switch via snmpv3. Also cisco view works fine. Bug CSCsm89609 describe the problem but it should be fixed in RME 4.3. We are running 4.3.1.
View 9 Replies View RelatedI just tested IP SLA with tracking on a 3750 12.2(46)SE. And the configuration was simple enough and tested fine for redundant static routing: [code] Then I tried to do the same on a 3560 switch running 12.2(55)SE3. ip sla went in fine. But when I went to put in the track I was presented with "list boolean and" (for example) after the track and the identifier.I tossed in the ip sla "10" as the object. But shopw track shows the boolean AND as down. I don't get why the track feature is different in two switches so close in IOS version. How do I get the 3560 to track the ip sla as my 3750 does?
View 3 Replies View RelatedDocumentation discusses "1-Gigabit Operation", where all 4 1-Gig SFP's on Sup7L-E are enabled. But it does not say __how__ to select either 10-G or 1-G operational modes.
View 3 Replies View RelatedWe are trying to install the latest version of Nexus 1000v to ESXi5.1 and the installer application is much better than the previos one, but we are having problems with implemetation, because deploying of OVA file times out.
First attempt: Nexus-1 was successfully deployed on ESXi-1, but Nexus-2 which should be deployed on ESXi-2 returned an error: "Deploy OVF template":"Operation timed out." Second attempt: Deploying of Nexus-1 returned the same error Third attempt: The same as the first attempt.
It looks like that there is a time limit which is used for deploying OVA file and since file needs to be uploaded to ESXi it takes too long, so the installation fails. Is it possible to extend this time?
after upgrading the firmware on the wireless lan controller 5.2.178.0 on my cisco 4402 wlc's and rebooted the devices, I am getting matches on the audit status between whats on the contoller and the wcs software. so i am trying to apply whats in the wcs templates created for the controller and i am getting this error.
SNMP operation to Device failed: Attempt to set conflicting attribute value
I am thinking that i need to rebooted the wlc's again because from the error it sounds like the values that i am trying to write to the controllers are already present
I have a new Win 7 Dell Precision Workstation that will not log in to my domain. I get an error that there is no login server available if I attempt to log in using a domain account. I log in as the local admin and then try to join a domain using the Join a Domain or Workgroup wizard. I then get an error stating "this operation returned because the timeout period expired". I have had to reset my core switch to get a couple of the new boxes (including this one) to even join the domain. I also show no internet in the Network and Sharing Center most of the time.
View 2 Replies View RelatedI am trying to connect to my son's wireless internet with my own laptop. I can't get it to connect - I have tried to "renew IP address" and it doesn't work. I also got a message when I went to Start Run, etc etc "no operation can be performed on Wireless network while is has its media disconnected" I am able to connect to my own wireless internet at home on same laptop.
View 1 Replies View RelatedI am trying to configure a shdsl port on a 2911 router for CO mode of operation.The dsl-group auto command does not seem to change the port to operate in CO mode and the link will not come up to a remote router that has a card installed operating in CPE mode.The configuration I have applied for the shdsl controller is.
controller SHDSL 0/1/0
dsl-group auto
!
!
Do I need to use a HWIC-4SHDSL card for the CO mode operation?
I'm using the Linksys WRT160N V3 for testing a few ambedded applications.I need to set the speed of operation of the router to 100Mbps. (or at least find out what speed it currently supports) I looked up the router home page and couldn't find anything concrete.
View 3 Replies View RelatedI've set up a USB drive to be shared via the router (tried both a fat32 and an NTFS drive). When I login from a windows machine I can use the share point without any problems. When I try to use it from a Mac (mounted via smb://192.168.1.1/sharepoint) I can access the folders and download files. I can even create folders. When I try to copy a file onto the share point (normal file name, small file size) I get an error saying "The operation cannot be completed because you do not have sufficient privileges for some of the items." The console log says: "7/3/09 1:01:06 AM kernel smbfs_composeacl: smbfs_setattr 13, ignored "
If I try to copy the file directly via a terminal window I see this:
Macintosh-3:tc user $ cp ~/test.plist ./
cp: ./test.plist: fchmod failed: Permission denied
As I see it there is a problem with leopard trying to set permissions when copying and the router refusing. How to get this to work?
On a 4500 switch having a single sup engine, another sup engine was installed to act as redundant one.the redundancy mode was changed to sso, thereafter the secondary sup was prompted to be reset.
After it came back up again, the redundancy status still shows as RPR in operation mode.
I am currently running WCS 7.0.230 I have controllers that are 2500 that are running 7.4.100.60?
My problem is that when I try to add my controller that is a Cisco 5500 running the same 7.4.100.60 I am getting the error SNMP operation to Device failed: Sparse table not supported. Verify that the WCS and WLC versions are compatible and try again.
I have double checked SNMP strings, IP Addressing and everything else I can think of. It just doesn't make sense that I can add a Controller with the same image but different hardware and no the other to the WCS server.
I got this error this operation returned because the timeout period expired error code 0x000005b4
View 1 Replies View RelatedI have an E1000 that is connected to my main computer via Ethernet and have found that it crashes almost every time I run a particular type of operation.I'm testing software and running PHP scripts that invoke cUrl to fetch data from a few different web services via SSL. I would say that at least every other time one of these operations begins, the router crashes -- I am unable to ping its internal IP and I have to power-cycle it to get back up and running.
I don't experience the crashes in any other context and I use the router all day long. I'm one release behind on firmware but the release notes on the most recent version don't suggest that upgrading would make any difference -- no mention of any bugs fixed, for example.
After a storm in my neighborhood my wireless router was reset. It is a wrt54g purchased in 2007. I had to reinstall the Easy Link Advisor from the net because the disk I had did not work with Windows 7. Everything went OK, however, I am not able to add a password. I keep getting the following error message: Error Updating Devise The Method or Operation is not Implemented. How do I get around this issue and install some sort of security for my home network?My wireless network was named genesis50 now it went back to linksys. How do I change the name back? The hard wired system still shows as genesis50.
View 2 Replies View RelatedI'm trying to open certain websites but the browser gives me this message: "Network Error (tcp_error) A communication error occurred: "Operation timed out" The Web Server may be down, too busy, or experiencing other problems preventing it from responding to requests. You may wish to try again at a later time.
View 8 Replies View RelatedIs there an easier way to locate what an ACL, prefix-list, etc is applied to?ometimes its a bit tedious especially on some devices with a lot of config. I would like to see what route-maps a prefix-list is applied to[CODE]
View 9 Replies View RelatedHow to implement mac access-list in 881 and 892 router ? As you now that we can get additional switch-port in the same router but I can't see the function in this router. I guess the switch port must function like the catalyst 2960 switch.
View 3 Replies View RelatedHave a rv042g, newest firmware, trying to setup one to one nat on the configs page, I select enable, enter private ip , enter public ip, enter the range, and click "add to list" and nothing.... no error message, doesn't add to the list below it
View 1 Replies View RelatedI'm creating an access-list that will contain all networks and host that will be redistribute into EIGRP.Till now, this access-list contains 72 entries but this number can increase anytime.
I'm using a 3750-x layer 3 switch, and I'm wondering how big this access-list can be, regarding CPU and memory utilization and performance.
I have an 871 setup at home with a fairly basic configuration (NAT, Firewall, EasyVPN, Wireless). What I've noticed is that for traffic going from the WAN interface (FastEthernet4), it seems to be hitting the ACL in place for NAT. My config: [Code] .......
Where 76.22.98.39 is the dynamic IP address from the cable provider. If the traffic isn't passing through the router, why is it trying to NAT it?
IOS Version is 12.4(6)T9