Cisco Infrastructure :: Getting Channel Usage From 3845?
Dec 14, 2010
I am trying to get channel usage from our 3845 with C3845-ADVIPSERVICESK9-M), Version 12.4(20)T4, RELEASE SOFTWARE (fc4) using snmp with no luck.I am going after cpmActiveDS0s or cpmDS1ActiveDS0swith no luck. also tried isdnBearerOperStatus with no success. I get sub-id not found.I did a snmp walk and these objects exists. ( Also tried snmpget -v 2c -c ****** ***.**.**.*** 1.3.6.1.2.1.10.20.1.2.1.1.2 with no success)What am I missing and how to I install them?
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Dec 10, 2012
Is there any physical or technical diferrences between PWR-3845 AC/2 and PWR-3845 AC? We are trying to order replacement parts and wondering if PWR-3845 AC is for one power supply and AC/2 means you get two with one order?
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Sep 13, 2012
I have Cisco 3845 with two Gigabit interfaces configured as port-channel with subinterface and with QoS.However shape does not work, why? [code]
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Oct 4, 2011
Can you swap fan in 3845 while it is running?
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May 18, 2011
My CAT 4510 switch is showing 99.9% CPU usage almost through out the day. After some analysis i saw that the “Cat4k Mgmt LoPri” process is having 86% CPU utilization. This process is a package that is including multiple process.
Within this package, two processes have been identified which are causing this shock which are “K5L3Unicast Adj Tabl” and “K5 L2 Hardware Addre” .
This indicates that some heavy activity is going on CEF adjacency table and RP MAC Address Table. My current IOS version is 12.2(53)SG
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May 3, 2011
We had a fan fail on our 3845 edge router. No big deal; the other two fans kept the temperature easily within spec, and the module is a two minute hot swap. I opened a ticket, they sent me a replacement. Simple. (In fact, the router install docs note that the fans are essentially a "consumable" part, and will fail within a few years, depending on how hot and dusty your environment is.)
The fan module is actually the whole face plate of the router, blue plastic with a steel backing, status LEDs, and the three fans.That is all fine. But, Cisco won't take the failed part back for refurbishment, which in this case would be simply to replace the fans!
The replacement part came with the standard Cisco return packaging: a sticker with an RMA #, a "manual" paper UPS label, and instructions to use their on-line tool [URL]. But, when I entered the RMA number, I got a pop-up saying it was invalid, and I should call Cisco Asset Recovery, whose 800 number is also on the sticker.
They told me that this part is not returnable; that the RMA is only to ID the shipment so they can confirm I got it. They told me to just throw it out. They would not provide a printable return shipping label.
I'd feel bad throwing out even the substantial cardboard and foam packaging of this part, let alone the assembled unit!
Hasn't Cisco heard that there is a general industry movement to cut down on electronic waste? With the removal of six screws, I could swap the failed fan out of this assembly and replace only the fan. I'm glad Cisco didn't ask me to do that level of repair, but I certainly think they should -- I'd assumed that the replacement unit I'd received was a return "refurbished" with new fans.It seems a complete waste to just chuck out this whole thing.
Heck, even the tiny power supply bricks for the Aeronet APs have a little "no trash" sticker on them, with a link to [URL]. Why do they just dispose of router faceplace assemblies when the only issue is a fan that was expected to fail in the first place?
Attached photo shows the 3845 front piece, which is the fan assembly, and the package the replacement came in, which could be used to return this part, and then be reused. For comparison, the little black thing in front is an Aeronet 1131 power module, which has a Cisco Recycles sticker.
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Jan 27, 2013
I need to increase the link capacity of 10GE to 20GE between two Cisco7609, so I feel the need to configure port channel between them, my little problem is that I have a SCE 8080 in the middle of both 7600 currently is configured inline. The SCE has 4 modules 1X10GE-L-V2 (currently in use 2), I was investigated and the truth is that I not found anything concrete about how to configure the SCE to "pass" etherchannel through it? What the SCE needs to support 20GE of traffic? (configuration and software)
I have two 10GE ports available on the SCE
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Jun 25, 2012
I have a couple of Switches Blade 3120, working as active-standby model (HSRP) on a new site deployment. There are other 20 sites more or less, working on the same model, without issues. But in this one, we are seeing a high cpu usage. The traffic going through the platform is 600Mbps (on peaks), and in this case we have 40% of CPU usage. Traffic should be close to 3 Gbps. When we tried to send the whole traffic through the platform, active switch began to drop packets on the majority of interfaces.
When we analyze the CPU usage, there is a special process called "HL3U bkgrd proce" always have the most CPU use, but we do not know what concerns. We do not know if it is caused because there are PBRs configured. It should not matter. How I mentioned, there are other sites working fine and have had always the same PBR number.
What is causing the high usage?. Is there a special debug we could to perform to diagnose the issue?. Also, we have seen a high interrupt CPU usage (9% in this case).
bog-sib-INT-rtr-1#show processes cpu sorted 5sec
CPU utilization for five seconds: 30%/9%; one minute: 25%; five minutes: 23%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
[Code].....
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Apr 3, 2013
however recently when i check my internet usage log on my wireless company (Rogers) the usage is totally off from what my bandwidth tracker shows me. So i decide to turn off my wifi and see what happens, there has always been this weird wifi connection appearing whenever my wifi appears, then afterwards when i turn off my wifi the suspicious wifi connections disappear. is this possible that someone is using our wifi? i might just be overreacting but it has brought me to concern that if the usage continues my family will have to end up paying over $30 for extra internet use. it is very frustrating me because when i check my DHCP client table it only shows 3 connection, ethernet - my desktop which is not turned on, 2 wireless connection - my laptop and my sister's laptop.
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Dec 7, 2012
Is there any physical or technical diferrences between PWR-3845 AC/2 and PWR-3845 AC? We are trying to order replacement parts and if PWR-3845 AC is for one power supply and AC/2 means you get two with one order.
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May 16, 2012
Today i want to ask is cisco 7600 support ip next-hop recusrive x.x.x.x (PBR feature).
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Oct 26, 2011
I recently made a fresh install of LMS 4.1 and added all of our devices (about 400 devices). After configuring all jobs and services everything ran fine.After a few days a guy from the server team called me and told me that the CPU-usage increased over the days. I made some investigations and found out which process is using CPU ressources. Whenever ANIServer is running and collecting data CPU is running at approx. 100%. First it takes only a few minutes to complete but after some cycles ist takes more and more time to complete, after a week it takes more than 4 hours. After restarting ANIServer process it takes again a few minutes and then the duration increases.
Server specs:
Windows Server 2008 R2 64-bit
VMWare ESX
4 CPUs @ 2.93 GHz
6 GB RAM
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Mar 3, 2011
how to access the internet usage, so that not to exceed the limit i.e, 1gb
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Jan 25, 2013
When a physical switchport/routed port has high usage, you can move the link to a higher capacity port, upgrade the port, bond links, etc. What exactly do you do when an SVI has high usage? I guess you could remove some servers from the VLAN, but that doesn't seem like a reasonable solution. What dictates the capacity of an SVI? The backplane of the switch?
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Aug 1, 2012
I have a problem I am running into... I replaced a 2621 with a 2911. The 2911 has three interfaces and I need to use all of them... Description:
gige0/0 dhcp static IP from ISP, public IP, they assign me 4 more usable public IPs gige0/1 broken into four VLANS, 108, 109, 120, 127, ip nat on 109 for them to get to the internet, and a static translation on 127 for the phone system to get to the internet gige0/2 assigned another public IP. A tenent has a linksys router on this interface, they want a public IP.
The problem is that this setup worked, but when we moved to the 2911, some nat translations are failing, and we would like to figure out how to minimize the number of public IPs we use (right now it is three + the static assigned dhcp). The nat that is not working is the nats to the 2001-3001 range. I am not sure why it is failing, but the router seems to indicate it thinks some of these overlap. This router is also doing a vpn to an asa... that seems to be working fine.
Current config:
Current configuration : 6072 bytes
!
! Last configuration change at 14:31:44 UTC Thu Aug 2 2012
! NVRAM config last updated at 14:31:50 UTC Thu Aug 2 2012
[Code]....
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Feb 28, 2011
I am trying to setup a VPN server on my router at home so I that I can access my network remotely. The router has f0/0 as a dhcp interface connected to a cable modem. I have a switch card in it and vlan interfaces for my inside/private subnets. I NAT/PAT the inside vlan interfaces/subnets to the f0/0 dhcp address from the cable modem. I have found a ton of configs for this but nothing that shows it with a NAT setup. I have used a few examples I found that are close to my setup. I am able to connect and the cisco lock closes. But I am not able to do anything. When checking the cisco client stats the sent numbers keep counting up but the received number stays at zero. Any good config that I can use or have a good link? I am also running CME on this router.
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May 29, 2012
I have a 1841 router plugged into a 100M Comcast ethernet connection. My router cpu is really high and users download speed isn't as high as before. Can a 1841 handle 100M circuit with 100 users on it? What would cause the router's cpu to be high? I don't think there are any viruses or malware on the lan.
#sh proc cpu his
r2.leaguecity-toy-startoy 06:06:26 PM Wednesday May 30 2012 PST
111 1 1 1 111 24 1 1 1 1
400369232222544222330359645223283294332688334452308404382236
[Code].....
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Jun 19, 2011
6504 Sup720 ----Dot1q Trunk ----6504 Sup270VPN SPA VLAN 20,30 VPN SPA VLAN 20,30Normal VLAN 10,40 Normal VLAN 10,40,Every 18-24 hours the 6500's- the 6500 go to 100 % CPU - the work around is to reboot one of the switches. Then they will run 18-24 hours.The fix was to only trunk VLAN 10,40 (Networks that needed to see each other) between the switches. If the vlans that the VPN SPA was trunked you would Every 18-24 hours the 6500's- the 6500 go to 100 % CPU.Simple design GRE IPSEC tunnels that work fine and the latest SXI code. It appears that if you trunk the VPN SPA trunks and they are the same VLAN that it going into some kind bridging loop. No errors. Just unresponsive.
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May 18, 2011
My CAT 4510 switch is showing 99.9% CPU usage almost through out the day. After some analysis i saw that the “Cat4k Mgmt LoPri” process is having 86% CPU utilization. This process is a package that is including multiple process.
2. Within this package, two processes have been identified which are causing this shock which are “K5L3Unicast Adj Tabl” and “K5 L2 Hardware Addre” .
3. This indicates that some heavy activity is going on CEF adjacency table and RP MAC Address Table. My current IOS version is 12.2(53)SG and i want to upgarde this to 12.2(53)SG1.
C Can any one tell me if this will solve the issue and how clean is the 12.2(53)SG1 of bugs.
This switch is currently the gateway of my network configured for GLBP with another CAT 4507 switch. This switch is normal and showing only 37% CPU usage.
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May 3, 2011
I will attempt to make is simpler this time. I have a gateway to gateway VPN tunnel setup using two RV042 routers. I have been using this gateway for years without any issues. The computers on each side of the tunnel were Windows XP. I also use RealVNC Enterprise Edition on each computer for easy access to their desktops and applications. I have added two new Windows 7 Pro computers on each end of the tunnel.
The problem is with the two new Windows 7 computers. I am able to connect from a new Windows 7 computer to a Windows XP computer located on the opposite side of the tunnel fine with RealVNC. If I connect using the same Windows 7 computer to a new Windows 7 computer on the opposite end of the tunnel the connection will disconnect after a few seconds. I have disabled Symantec Endpoint Protection 11 and even upgraded it to version 11.0.6300. I also installed the most up to date driver for the Intel 82579V network adapter on the ASUS P8P67 Deluxe motherboard.
I attempted to install Cisco's Quick VPN for the RV042 with no luck on that. The certificates that the router uses do not work in the Trusted Root Certification AuthoritiesCertificates folder. So I gave up on that approach. All efforts to possibly by-pass the problem have failed. There is something with the two Windows 7 computers communicating through the tunnel that does to happen with the Windows XP computers.
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Nov 26, 2012
Is it possible to know the VPN usage for a particular session using Cisco ASDM 6.4? Device type is ASA 5550. ASA version 8.4
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Oct 28, 2012
Have a problem coming my way with regards monitoring 3g data usage on an 887 router. The router will carry two links - x1 primary over the serial port and x1 secondary failover link utilizing 3g.
The 3g sim has an allowance of 1Gb per month (traffic has been baselined and this seems sufficient - not by me though).I have a requirement to monitor the 3g link and trigger an alert at say the 60% mark (600Mb). Whatever mechanism is used to count the data also has to reset to 0 at the beginning of every month as data stats will be included in monthly reports.
Second conundrum, I also have to somehow split out the data usage stats to show my customers usage as well as my own. My own being management traffic (mainly snmp and icmp) and present this in the monthly report.
#1 - Does the 887 have some form of 3g accounting capability either via gui or cli that can fulfil my requirements above?
#2 - With splitting the data usage stats, could this be achieved using netflow and if it was possible, could i only have my flows sent down the Primary link (obviously only when it is active) and if the box fails to 3g have netflow just count the data until the Primary kicks in again.If no built in features can give me what i want i my go down the eem scripting route burt this is a last resort.
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Feb 21, 2012
I have a Cisco 2650 with a simple config as follows:
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname MaVI_Test
[Code]....
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Mar 4, 2012
I have a lot of cisco 7206 vxr deviceses. I have a high cpu problem.I have a 7206 vxr g2. I used to use ebgp for three upstream carrier. I used to bgp full route table method. I have about 800 Mbps active traffics and behing the router about 1600 active customers.
How can I trouble shoot this high cpu problem?
#sh int gigabitEthernet 0/1
GigabitEthernet0/1 is up, line protocol is up
Hardware is MV64460 Internal MAC, address is 000c.cf1d.d01b (bia 000c.cf1d.d01b)
Description: ***** GW Interface *****
[Code]....
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Feb 16, 2013
I decided to migrate to ASA 8.4(5) from 7 and everything went very well with the exception of this one issue. All ACL and NAT for our various remote desktop servers work perfectly as long as the servers are running an RDP server version greater than 5.2. For instance, Server 2008 machines (or Win 7 Pro desktops) work perfectly as configured; however, Server 2003 machines (or WinXP Pro desktops) will not. I'm using manual, static NAT for the object to avoid automatic NAT issues.
The client computer displays the non-vista warning message, "The indentity of the remote computer cannot be verified...", but then fails to properly connect stopping at the "Configuring remote session..." status message. The ASA log shows that it built the TCP, then it displays a teardown with reason TCP Reset-I.
I can use a working ACL and NAT (using default TCP 3389 for instance) with a Server 2008 at IP 192.168.15.10 and move a Server 2003 machine to that same IP without touching any configuration at the firewall and it fails. Move the Server 2008 machine back to that IP and it works perfectly (both set at Port 3389 of course).
Here is the relevant info from the config that I am using for this:
------------------------------------------
object network RDPServer
host 192.168.15.10
object service RDP
service tcp source eq 3389
access-list out2in line 1 extended permit tcp any object 192.168.15.10 eq 3389
nat (inside,outside) 1 source static RDPServer interface service RDP RDP,The above works pefect as long as a server 2008 machine is at the IP, but fails with a server 2003 machine at the IP.
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Jan 29, 2012
I have a Cisco 1921 router and it uses 99% of CPU and i cant seem to spot wich process that is taking up the cpu. I have an interface with several sub-interfaces and i am moving data between two of those subnets, i tried the "ip route-cache same-interface"-command on giga bit ethernet 0/1 with all the sub-interfaces like gigabitethernet 0/1.18 and so on. That did not work.
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Mar 13, 2013
I have configured E1 to use PVDm to terminate ISDN connection but I keep on getting the above error message
Layer 1 and 2 seem to be working fine but layer connection isn't working.
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Mar 10, 2013
I have cisco 3845 on my network now its working fine.Now one of my client is asking to they want to connect their network through my router ethernet interface.
now my doubt is 3845 router will support two different gateways.
how can i route their network they have bring new router.
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Mar 7, 2013
I have 2 x Cisco 3845 each one with a DS3 circuit, both running c3845-spservicesk9-mz.124-15.T3. In each of them I have one pvc provided by my carrier and I received the following info to configure:
vc-class atm ATM
vbr-nrt 44096 44096 1
oam-pvc manage
oam retry 3 10 1
encapsulation aal5mux ip
That worked fine for the first one with the NM-ATM-DS3, however, using NM-1A-T3/E3, it seems that I'm restricted up to 40700 kbps PCR/SCR:
router(config-vc-class)#vbr-nrt ?
I tried to look for some reference but couldn't find... Is there a way I can have a full DS3 with this card?
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Jun 28, 2011
We have 3845 Router which is using for only Internet connectivity with one ISP(X) Customer has only one Vlan, Public AS number, and Public IP pool.Scenario:User--> L2Access-SW--> L3 (6500) SW--> Firewall (5520) --> IPS--> 3845Router.Now we have another ASR Router, which also has Internet connectivity from another ISP(Y).Now the issue is we would like to use both ISP in active/active scenario.
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Dec 31, 2011
I have two routers 3845 and HSRP is configured properly. Currently we are using default route to ISP and right now I want to use BGP as I have 3 Public pools and that's why I want to advertise in the public network. How I can configure that in my Router.
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Apr 21, 2013
I am replacing our core router, which is a very old 7204VXR, with a T3 card in it. We are using it to terminate about 10 point to point T1's. It is also the central gateway for our entire network.
I am planning on replacing it with a 3845, and an NM-1T3/E3 card for my DS3. I think I've got that part worked out.
My real question is concerning future upgrades. We are trying to convert many of these point to point connections to Metro Ethernet, and get rid of the huge DS3 cost. When that happens, I'll probably have a handful of point to point T1's left over (maybe 2-6 of them). So, what I need is a good solution to terminate those 2-6 PTP T1's in my 3845. In the past I have just been using the old WIC-1DSU-T1-V2 cards to terminate my T1's. I am looking for a solution that won't break the bank. I looked at both the HWIC-4T1/E1 and the NM-8CE1T1-PRI cards (which terminate 4 and 8 T1's), but they are like $4,500 and $8,500 respectively. That's way beyond my budget for these. I definitley don't need a card that will do PRI's (DSP's etc.). I just need it to terminate plain old point to point T1's.
So it may be that I'm just looking at the wrong cards. Or maybe the make cards that will go in the back of the 3845 that will house 2, 4 or more WIC slots, and I could just use WIC-1DSU-T1-V2 cards?
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May 6, 2013
I am upgrading from an old 7204VXR to a 3845. I am running a DS3 in the 7200, channelized into 28 point to point T1's. I need to break them all out into individual Serial interfaces on the new 3845, like I have on the 7200, but I don't know the correct commands.
[code]...
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