Cisco WAN :: 6506 OC3 Troubleshooting Line Up Protocol Down
Jan 21, 2013
I'm replacing a PA-POS-OC3-SM with PA-POS-1OC3 in a flex Wan module (WS-X6582-2PA) in Cisco 6506 using WS-SUP32P-GE PISA.I have a hard time bringing the "protocol up. the status I see is line up and protocol down. Debug shows (attached) no comunication with the edge router but when i put the older PA (PA-POS-OC3-SM ) back evertything works fine and older PA has been running for many years without the issue. I'm replacing older PA is becuase this is going EOL. I had opened a TAC case but the TAC engineer added no value. [code]
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Jan 26, 2013
I was working on a problem the other day and came across something that I had seen before but never given much thought. I had a router with a switch connected to it and the interface was showing as Ethernet0 is up, line protocol is down. The problem in the end turned out to be a cable that had fell out because it was not connected correctly, but I was able to replicate this interface status on a router (FastEthernet0/0 is up, line protocol is down), and NO cable was attached to the interface.I've had a look on the internet but cant seem to find a good answer, so does anybody else know why this status is shown on the router? Remember, NO cable is connected to the interface so it isn't a speed or duplex problem
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Sep 7, 2009
how to bring this interface back up? It's a 1252 with 80211.n.I started configuring it with CLI and then was using the web interface. I made a change on the web interface and it caused the AP to hang. I rebooted it and can access via Hyperterminal, but I cannot ping the IP address nor bring it up in the web interface any longer.I tried the "No shut" command in the BVI1 interface.
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Aug 2, 2012
I have a cisco 1841 whose LAN interface is showing status as "Fastethernet 0/1 is up , line protocol is down" the duplex and speed settings in the Router are in Auto mode and the Router was working fine till now , when i changed the duplex settings to duplex full , speed 100 the ping replies comes back with 5-6 replies then the link dies again..
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Jul 8, 2011
We have a 6 spoke DMVPN setup. Five of the six spokes work fine. On the 6th spoke, a 2911, we have created a Tunnel0. Other spokes and the hubs can ping it's ip, but it can't ping itself. When we do a show interface it shows the Tunnel 0 is up, but the protocol is down. What does that mean?
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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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Aug 11, 2011
I configured dot1x on my swicth 4500 series, Here is the interface configration:
interface FastEthernet3/2
description Test dot1x
switchport mode access
load-interval 30
authentication event fail action authorize vlan 800
authentication host-mode multi-host
authentication port-control auto
[code]....
When I remove the port-control configuration on the interface, the status change to UP/UP.
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Jul 11, 2012
Have been battling a router connection to new ATT t1 connection. Router was configured and sent from sister company to this new location. We have had ATT tech test circuit and it tests good, had cat5 cable tested from ATT to router, it tests good. I continue to get serial up/ line protocol down status though and cant communicate to it from wan.
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Feb 23, 2013
Troubleshooting a 137 error and other unknown errors I have been receiving for some time now.
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Mar 19, 2013
I am working with a client who is adamant their backbone is fine. However, I am unable to get a single iperf connection to generate anything more than 9.5 megabit/s, and can go all the way up to 322 megabit/s with multiple streams before it looks like we are saturated. Note the example below for a single stream has a 1MByte window, with 8kb we were only able to see 2.4 mbits/sec per stream (as seen in the per stream in the example below). Where would you begin to look for why we cant seem to exceed 2.3mbit/s with an 8kb window, or 7.88 with a 1mbyte.
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Jan 17, 2013
I have an authorization rule which verify that the AV (mcafee 12.x) is installed (NAC agent), time restriction and so, and so....The connection failed with this code :
15039 Rejected per authorization profile.
How can I obtain a some more details on that ?I mean, I'd like to know which condition is not verified and lead to a failed connection.
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Mar 2, 2012
We have 2 Cisco 4400 series WLC and a whole bunch of 1231G APs connected to it.Sometimes the wireless network get really, really slow.Does Cisco have any built in tools for troubleshooting bandwidth or sluggishness issues?And how does one go ahead and troubleshoot something like that?
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Sep 28, 2010
For years I have received occasional complaints about users being dropped from WiF and then reconnecting like a minute or two later. I wondered what tools people on the Forum used to troubleshoot this transient problem. Cisco APs like the 1200 don't seem to inform about why someone left. One thing that has been very useful over time is using Network Sumbler to see what WAPs are in a vicinity and make sure there is not channel overlap. How to troubleshoot transient wireless network drops?
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Nov 12, 2012
I have a ACE4710 setup to load balance a couple of web servers. The real servers all show as inservice as do the propbes and serverfarms/virtual servers. If I ping the Virtuual server ip address I get a reply but it I try to access VIP via telnet or web browser. I get a connection could not be open error on the client.The question is how do i determine where the error is comming from so far I can not tell if the client is getting through the acl or not.I have used the trouble shooting guide and nothing has worked to determine the cause so far. show service-policy int479 detail does not show an increase in the hit count when I try to connect.show stats conn does not show an increase in failed or timed out connections when i try to connect. [code]
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May 28, 2013
I have an older windows xp computer, xps 400.
I had unplugged my computer due to painting the room. When i plugged back it I couldn not connect to internet. But oddlly enough my mcafee security center gave me a message that mcafee subscription expired, which it can't as I use it through my subscription through aol. Had this problem once before. So i uninstalled mcafee. I ran malwarebytes to see if there was anything that might prevent me for accessing internet, it found two adware that I quarentined.
I have tested my ethernet cord and connectivity on another computer it works fine.I had a realek RTL8139 Family PCI Ethernet NIC, i reloaded the driver after downloading from my other computer, now it say it is a realtek RTL 8139/810x family ethernet nic, not sure if I downloaded the wrong driver but before that I tried changing the speed to less than auto detect.
I have rebooted in safe mode in case there was a virus. I am at my wits end.Is there a way to factory reset the network adapter. What else can I do. light at the ethernet port looks to be yellow. Everything says it is working, I just can't connect.
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Oct 10, 2012
Cisco 2500 series access servers show line usage with the "show line" command:
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Oct 31, 2012
I have linksys E4500 and I would like to be able to see the website visited vs ip address.Is there a way to enable same or achive same via parental controls.Again I do not want to block a website but monitor which websites are visited. Is this achievable via router or an additional software/hardware required to be used with router
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Mar 27, 2012
The reason is i want to know the difference between the leased line and the DSL line. The whole thing behind the confusion is, We plan to have a high speed internet connection in our office. We will don't have a branch office or some thing like that. I preffered to have high speed internet in our office. I found in some website that Lease line will have high speed connectivity(Upto 10Gbps). Can i use the lease line or DSL is enough for our office. Our office contains of 82 user who will use internet.
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Jan 3, 2012
There are some configuration of my Cisco 6506-E, the IOS version is (s72033_rp-ADVENTERPRISEK9_WAN-M), Version 12.2(18)SXF17b
C6506E#show run | b r b
router bgp 64517
template peer-policy Route-Opt
route-map Route-Opt in
route-map BROADCAST_LOCAL out
exit-peer-policy
[code]...
Why the next-hop 202.99.1.30 is inaccessible?
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Jun 4, 2012
We want to configure RTR in our network ,having a Cisco 6506 core Switch & 50 Cisco 2960 Switches. As per the ios on the 6506 the rtr command is supported not the ip sla , so we want to configure it on it.
The RTR configuration on the Source device (Cisco 6506 Sw) can be done through the below commands :
1) enable
2) configure terminal
3) rtr <Entry number>
4) type echo protocol ipIcmpEcho <Hostname or A.B.C.D IP address or hostname> source-ipaddr < IP address >
5) frequency seconds
6) exit
7) rtr schedule entry-number [life {forever | seconds}] [start-time {hh:mm[:ss] [month day | day month] | pending | now | afterhh:mm:ss] [ageout seconds] [recurring]
8) exit
RTR configuration on the target devices (Cisco 2950 SW )will be :
1) enable
2) configure terminal
3) rtr responder
4) exit
The query here is that :
1) Is this configuration will work ?
2) And for every Cisco 2950 Switch , i have to create seprate rtr entry on Cisco 6506 Sw for example for 50 target device i have to create 50 entries on source device 6506?
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Dec 20, 2012
I upgraded the IOS on 6506E, SUP 720-10GE, non-redundant, to a new one, rebooted OK. Switch seems to work fine but "show bootvar" shows the previous IOS name instead of the new one: s72033-advipservicesk9_wan-mz.122-33.SXJ3.bin.Removed the old IOS name on "boot var", gave it new IOS name, "show bootvar" now has correct new IOS name, write mem again and reloaded switch.It booted up OK but "show bootvar" still has the old IOS: "s72033-ipbasek9-mz.122-33.SXI2a.bin".According to IOS upgrade procedure, after all the upgrade IOS steps done, then just "write mem" then the "bootvar: will have the new IOS name, but on my switch it is always has the old IOS name ? How can I set the bootvar to new IOS name?
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Jan 18, 2012
I have a scenario with a Cisco 6506 and a 7206. The 6506 is running BGP and peers with our data center router. The 7206 is a stub router off the 6506 and is used as an edge router for customer T1 circuits. I want to use OSPF between the routers to exchange connected and static routes. The problem I have is that static BGP null routes on the 6506 are overriding the OSPF routes being received from the 7206. Example: The 6506 is advertising a class C network 192.168.1.0/24 to our data center. The 6506 does not utilize the 192.168.1.0/24 network. It is only used on the 7206 for customer T1 circuits and is carved up into /29 subnets. So the 6506 has a static route: ip route 192.168.1.0 255.255.255.0 null 0. Today the routing is accomplished with static routes on the 6506 for the 192.168.1.0 networks on the 7206. Using OSPF the 7206 advertises /29 links back to the 6506, but when I withdraw one of the /29 static routes from the 6506, the /24 null route takes precedence over the more specific /29 routes and the traffic is black-holed on the 6506. how can I get the OSPF routes to look preferable to the /24 null route on the 6506?
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Nov 29, 2011
I have a 6506 with SUP1 MSFC2, running IOS. [code] However, its not able to detect the switch module. [code]
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May 3, 2011
I have a 6506-E here that randonly drops packets and I'm trying to find out why.
When debugging ip packets (debug ip packet 52), I found a whole lot of these:
May 4 22:42:14: pak 5007BF54 consumed in input feature , packet consumed, MCI Check(55), rtype 0, forus FALSE, sendself FALSE, mtu 0May 4 22:42:14: pak 5008C488 consumed in input feature , packet consumed, MCI Check(55), rtype 0, forus FALSE, sendself FALSE, mtu 0May 4 22:42:14: pak 46A3E474 consumed in input feature , packet consumed, MCI Check(55), rtype 0, forus FALSE, sendself FALSE, mtu 0
May 4 22:42:14: pak 5007624C consumed in input feature , packet consumed, MCI Check(55), rtype 0, forus FALSE, sendself FALSE, mtu 0
The problem with this is, today's date is the 5 May. The clock on the device shows the right time, but these debugs aren't.
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Nov 29, 2012
I have a Cat6506. There were 2 Sup 720 in it for redundancy. They told me they had problems with this thing in the past needing to go out and reboot the machine. I need to go out periodically because it goes into ROMMON. I type boot and it comes back up. One time though neither one would reboot. I had to take a third one out there and reconfigure it. Now it is starting to do the same thing. One thing I did notice is they never connected it to an UPS. It is plugged strait into the wall with power going to two outlets. I am beginning to think there are spikes in the power occurring and this is sending it into ROMMON.
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Mar 13, 2013
I want to receive full BGP in my switch 6506 with the follow characteristics: cisco WS-C6506-E (R7000) processor (revision 1.2) with 458720K/65536K bytes of memory and Supervisor Engine 720.When I configure the session BGP in my router with me peer the switch begins to work slow and restarts.
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Aug 17, 2011
I am little confused of how to take bootloader backup of cisco 6506 switch with WS-C6506-1300A CHASSIS and WS-X6K-SUP2-GE sup I am pesting a the part of sh run to show you the image files for the switch.
!
boot buffersize 522200boot system sup-bootflash:c6sup22-jsv-mz.121-8b.EX5boot bootldr bootflash:c6msfc2-boot-mz.121-8b.EX5enable password !
redundancymain-cpu auto-sync standarddiagnostic level complete
take backup two files in a tftp server.
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May 2, 2012
connection vss two 6506 which is the conector or speed (10g or1g) Sfp or x2 What is the connection that allows vss
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Dec 7, 2011
Access-group only allows me to set the mode.access-group > mode > prefer > port > int g2/1,Those are the only options available to me, it doesn't allow me to go.ip access-group <name> in or out or access-group <name> in or out.
I realize the commands may be a little off, I don't have a switch nearby. When I get on our 3750 there are no issues, it allows you to apply the ACL the conventional way. I just can't seem to find any way to apply an ACL on an interface on the 6506 though.
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May 4, 2012
I tried to upgrade IOS from SXI2a to SXI9 in cat 6506 VSS. But the problem is that switch always boot with old IOS. I put the new IOS in sup-bootdisk and slave sup-bootdisk, bootvar is ok with new IOS: [code] Show bootvar is ok but switch always boot with old IOS SXI2a, some bug in IOS sxi2a???, I will try to delete de old IOS from sup bootdisk and try with the new one only.
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Aug 30, 2012
I have PAT set up successfully on 6506 chassis - My outside address range is 78.24.112.114 255.255.255.240.Relevant parts of the config below: [code] This works fine but of course is only using the one IP address 78.24.112.114.how I can utilize the other outside addresses available or is this not really necessary? I've browsed through loads of Cisco docs.
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Oct 16, 2011
I currently have a vlan/SVI on my 6506 for the WiSM service-port. The WiSM has an address on the same subnet. To manage the WiSM, I either https to the Management interface address or use 'session slot X proc Y' from the the 6506. Since I am essentially only using two addresses from a subnet for this service-port I would like to free up the subnet. Can I keep my current functionality by having a vlan only (with the wism service-vlan XX command) with no SVI?
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Nov 29, 2011
I have a 6506 with SUP1, no MSFC running CatOS.
Module 1: Removed
Module 2: WS-X6K-SUP1A-2GE
Module 3: WS-X6348
Module 4: WS-X6348
Module 5: WS-X6408A-GBIC
Module 6: WS-X6408A-GBIC
However, it doesn't seems to be able to bootup properly. Could this be an hardware issue? What should I do?
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