Cisco Firewall :: 2960 Switch - CRC Errors At PIX 535 Interface

Dec 14, 2011

I have a PIX 535 connected through OFC to Cisco 2960 Switch.
 
PIX end - G0 (SC type Connector) - Switch End - Gi1/0/28 (LC type connector)
 
When I am pinging from either side, I am getting packet drops.  CRC error is increasing at PIX interface.
 
Speed settings, tried with
 
auto - auto
auto - nonegotiate
nonegotiate - auto
nonegotiate - nonegotiate
 
But no improvements.  When its connected with SC - SC connector, its working fine.
 
Switch also working fine when connected LC - LC.Switch OS is 15.x  version.
  
Cisco PIX Security Appliance Software Version 7.0(4) <system>
Device Manager Version 5.0(4) Cisco PIX Security Appliance Software Version 7.0(4) <system>Device Manager Version 5.0(4)

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Cisco Firewall :: How To Clear Input Errors In ASA5540 Interface

Feb 26, 2013

My Expertise with Cisco ASA is Very less. I have observed Input errors in a Couple of Interfaces in Cisco ASA 5540 Firewall.   [code] I need to Clear the Input errors on this particular Interface.Will Clear interface GigabitEthernet 0/0 will work?

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Cisco Firewall :: 5580-40 - Input Errors / Overruns And Reset Drops On 10Gig Interface?

May 10, 2012

I have an issue with input errors, overruns, and input reset drops on the inside interface of an 5580-40 (v8.2.5: Transparent mode)  The box is not stressed at all according to the 'show' commands in the Cisco troubleshooting performance document for PIX/ASA v8.2.5.  Nothing stands out because is pretty much normal, nothing (processes, RAM, blocks, IO...) really being highly utilized.  I have replaced the 10Gig card and that seemed to work because the rate of errors has gone down tremedously.  The next step is to RMA the whole box.My question is what would be the cause of the inside interface to stop processing traffic (I say that because the syslog server stops receiving messages) for some periods of 30 seconds periodically throughout the day and clients lose their connections (ie Outlook, IBM Sametime, Oracle, MSSQL..etc).  Can the issue be somewhere related to the overruns and input errors?

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Cisco :: TOP-N Interface Errors Not Showing In LMS 4.1

Dec 4, 2011

No date in the TOP-N Interface Errors portlet showing in LMS 4.1, but data for TOP-N Interface Utilization is displayed like expected. The Interface Errors poller show active(without errors) with same Instances as Interface Utilization.

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Cisco Firewall :: How To Configure 5510 - 2611 Router / Two 2960 Switch

Dec 29, 2012

I have one Cisco ASA 5510 with 2611 router two 2960 switch how to configure.

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Cisco WAN :: Input Errors On 1841 LAN Interface

Nov 4, 2011

I use an 1841 router as an internet facing firewall with a 10MB MetroE connection.  Lately users started reporting slow internet download speeds and web pages timing out.  Bandwidth reports do not show the link as being saturated so I looked at the interfaces on the 1841.   The interface connected to the provider shows OK as far as errors but the LAN side of the router shows steadily increasing input errors.  It doesn't show any other errors, no CRC, frame, runts, giants or overruns, just generic input errors.  What type of errors are those?  Nothing is being logged on the console.
 
I moved the connection to another switch ports and the errors continue.  I switched it down to 10MB and also changed the switch and the errors slow down but don't stop.  Interestingly, the switch side never shows any errors.  What can I do here?  I guess it can be a bad interface but that is such a rare thing that I am hesitant to replace the router.

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Cisco Switching/Routing :: Input Errors On Many Interface WS-C3750G-12S

Apr 16, 2013

We are facing since one month in our two Cisco WS-C3750G-12S on many interfaces input errors when data transer or ping (ICMP) increase input erros. Not only port 1 but many interface has same issue, i have change new IOS but still same issue, once i have erase startup config but same issue we are facing and finaly i have replace same new switch with the same IOS it's working fine.(c3750-ipservicesk9-mz.122-55.SE4.bin) [code]

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Cisco Security :: ASA5540 Interface Input Errors - Overrun

Nov 16, 2009

Why packets overrun are incrementing on the ASA even when I've only 40Mbps of throughput traffic?All interface are 1000- Full Duplex, both on ASA and on Catalyst3750.I've test the ASA5540 generating GET HTTP, about 40Mbit of traffic.When I use one ingress interface and one egress interface, interface input overrun counter is zero.When I use the same traffic with 3 ingress interfaces(slot0) and 3 egress interfaces(slot1), interface input overrun counter increase(60k overrun in only 2 minutes).

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Cisco WAN :: Input Errors On Fastethernet Interface Router 2811

Feb 22, 2012

I have this output from show interfaces command for the fastethernet interface on a 2811 router.
 
find the causes of the crc and the ignored input errors on the interface?
 
The interface  configuration is:
 
interface FastEthernet0/0description VLANS_CHILE
no ip address

[Code]....

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Cisco Wireless :: Interface Radio0-802.11A With CRC Errors 1400 Series

Nov 1, 2011

I have to bridge 1400 series which  in the virtual interface has a CRC errors, i don´t the reason, maybe the link (point-point bridge) is misaligned.

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Cisco Firewall :: Switch ASA5510 Outside Interface Connection

Mar 10, 2011

Our ASA 5510 is running 8.0(5). We recently upgraded the license from base to security plus. By doing so the capacity of the the external port Ethernet0/0 and Ethernet0/1 should increase from the original FE to GE. But, we were still seeing 100 Mbps on our Ethernet0/0 interface. We figured that out that the provider switch is only supporting 100 Mbps which is a bottleneck for us.The provider will be upgrading there switches to 1 Gb switch.
 
We will have to swap the switch connections now from 100 Mbps to 1 Gb switch.What commands should we be familar ourself with?Though this will be doine in our maintenace window.All the transaltions/connections will be dropped in our production environment so we are kind of scared.

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Cisco Firewall :: 5505 Inside Interface To Another Switch?

Apr 23, 2012

I am connecting the inside interface to an upstream switch and therefore will need to assign a static IP address to the inside address as I did below:
 
#sho int ip brief 
Vlan1                      123.123.123.123  YES manual up                    up
 
I will also use this to manage the ASA. I am having a problem with the network configuration of the inside interface as I can't ping the gateway and/or the in IP of the inside interface.Do I need to add any routes?

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Cisco Switching/Routing :: WS-X4548-GB-RJ45 Frequent Input Errors Of Module Interface

Oct 21, 2012

I have been making effort to solve frequent input errors of module interface(WS-X4548-GB-RJ45) in our Backbone Switch(Cat4506).Let me show you show interface information.Rx-No-pkt-buff value is increased continuously even though traffic rate of interfaces is lower than 20Mbps.We have two Backbone Switch which is operated by HA via HSRP.What bring buffer shortage to our network ? [code]

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Cisco Firewall :: ASA 5505 - Drops Inside Interface On Switch

Apr 6, 2011

I have a pair of 5505's in transparent mode and connected them to C2960S. The inside interface (which is VLAN5 on the switchport) keeps dropping, going in to error state. There is no log reference in the switch and the interface shows as UP. The standby ASA has no problem, both interfaces on the switch is up. As soon as I failover the units over, the active node inside interfaces drops.

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Cisco WAN :: Output Errors On 3750 Switch?

Jan 31, 2012

I am looking at the interface stats of port Fa1/0/2 and see something strange. Ouput drops are 42Billion in 16mins, then 21249 few seconds later, then followed by 42Billion drops again, then 21444...and so forth..I keep getting an entirely different output drops reading everytime i refresh within seconds of each refresh!

sh int fa1/0/2
FastEthernet1/0/2 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is ecc8.8266.d604 (bia ecc8.8266.d604)
Description: MSGMERGF1
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 12/255, rxload 11/255

[code]....

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Cisco Switching/Routing :: 2950 CRC Errors On Switch

Jun 22, 2012

One of my wi-fi site having 2nos cisco 2950 switchs. in that network some D-link unmanageble swithes also there and access points also connected to cisco switchs and D-link switchs.after one or two days i am not able to connect the wi-fi, then i need to restart the access point then only wi-fi is working fine.I upgraded the latest ios also.I connected some access points to the cisco switch ports, those ports are showing crc error messages like below. [code]

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Cisco Switching/Routing :: 3750G / Errors In Switch Log

Feb 7, 2011

I have two 3750G switches that are in a stack, and I am seeing these errors in the log: 
 
002258: Feb  4 17:06:06.355 UTC: %PM-3-INTERNALERROR: Port Manager Internal Software Error (vlanid >=0 && vlanid < PM_MAX_VLANS: ../switch/pm/pm_vlan.c: 1279: pm_vlan_get_vlan_data) (CBAC01-3750-2)
-Traceback= 190F078 19729A0 1972A64 1963764 110BC24 195F2F8 110BB9C 196D2C8 195ECD4 110BC24 19658B0 110BB9C 196D1D8 194C2B8 195D24C 110BC24 (CBAC01-3750-2)
002259: Feb  4 17:06:06.355 UTC: %BIT-4-OUTOFRANGE: bit 4096 is not in the expected range of 0 to 4095 (CBAC01-3750-2)
-Traceback= 10273BC 1027478 1972B50 1963764 110BC24 195F2F8 110BB9C 196D2C8 195ECD4 110BC24 19658B0 110BB9C 196D1D8 194C2B8 195D24C 110BC24 (CBAC01-3750-2)
002260: Feb  4 17:06:06.355 UTC: %PM-3-INTERNALERROR: Port Manager Internal Software Error (vlan > 0 && vlan < PM_MAX_VLANS: ../switch/pm/pm_vlan.c: 773: pm_vlan_set_portlist) (CBAC01-3750-2)

[code]....

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Cisco Firewall :: ASA 5550 Switch - Change Media Type Command On Interface

Oct 12, 2011

I am switching a switch connecting to the ASA5550 tomorrow. My current switch is using fiber connecting to the ASA. The new one only support copper. If I switch between fiber to copper on the ASA (change media-type command on interface) will it cause a down time? I have VPN tunnel on the ASA and don't want the session to reset.

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Cisco Wireless :: Output Errors / Transmit Discards And Big Buffer Errors On 1121 AP?

Sep 13, 2011

I have a AIR-AP1121G-A-K9 running c1100-k9w7-tar.123-7.JA2 (Autonomous)We have monitoring setup with Orion NPM and we consistently see output errors, Transmit discards and big buffer errors The users at the site have not reporting any issues but was wondering how to prevent these or are these normal?What causes the output errors on Wireless Radio ? How to troubleshoot further ?
 
Radio0-802.11G
Total Output Errors         0              47749
Small Buffer Misses
4 misses
139 misses

[code]....

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Cisco WAN :: Crash Errors And Traceback Condition Switch 3750 Stack

Jul 13, 2011

EEHYP_CS_801#sh logging Syslog logging: enabled (0 messages dropped, 0 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)
 
No Active Message Discriminator.
  
No Inactive Message Discriminator.
  
Console logging: disabled
Monitor logging: level debugging, 236 messages logged, xml disabled,
filtering disabled

[Code].....

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Cisco Switching/Routing :: 3560G And 2950 Switch Trunk Discard Errors

Apr 15, 2010

I have two 3560G 24 port switches. Each of them connects to some 3560G or 2950 switches. Trunks between 3560G are set as 1000/full. Trunks between 3560G and 2950 are set as 100/full. show int status also shows the interface negotiation is 100/full for trunks between 3560G and 2950. The issue is I keep getting outdiscard errors in trunks between 3560G and 2950. At 2950 switches, I see Recv-errors too. I checked all the trunks traffic. They are totally not high. Only serveal mbps. Most time even lower than 1mbps.
 
I googled this kind of issue online. I see it could be possibly caused by high volume traffic higher than the capacity. But it appears the traffic there is not high enough to cause this kind of issue. Is there any possiblity that could cause this problem?
 
The below is 3560G trunk configuration for 2950 switch
 
interface GigabitEthernet0/10 switchport trunk encapsulation dot1q switchport trunk allowed vlan 1-122,124-4094 switchport mode trunk speed 100 duplex full srr-queue bandwidth share 10 10 60 20 queue-set 2 priority-queue out mls qos trust cos auto qos voip trust
  
the trunk configuration at 2950 switch: interface FastEthernet0/24 switchport trunk allowed vlan 1-122,124-4094 speed 100 duplex full

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Cisco Switching/Routing :: Errors On WS-C2950T-24 Switch Fast-Ethernet Port?

May 19, 2013

SW1#show interfaces fastEthernet 0/14 counters errors
 Port        Align-Err    FCS-Err   Xmit-Err    Rcv-Err UnderSize
Fa0/14           6682     140364          0     306468         0
 Port      Single-Col Multi-Col  Late-Col Excess-Col Carri-Sen     Runts    Giants
Fa0/14             0         0         0          0    180103         0      2798
 
[code]....

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Cisco Firewall :: ASA 5580 Arp Collision Errors?

Feb 11, 2012

I am receiving allot of Errors "%ASA-4-405001: received ARP collision from IP/MAC on interface dmz1 with existing ARP Entry IP/MAC
 
When i checked this MAC address in the same firewall it shows too many IP Addresses. What could be the reason ?

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Cisco VPN :: PIX 525 When Firewall Is Disabled / Connection Is Made With No Errors

Mar 1, 2011

I am having problems with the Cisco VPN Client software version 5.0.07.0290 installed on a Windows 7 x64 Client.When attempting to connect through the VPN client I am being prompted with the following error: [code]
 
The client did not match the firewall policy configured on the central site VPN device.  Cisco Systems Integrated Client Firewall should be enabled or installed on your computer.

The backend infrastructure used is a Cisco VPN 3000 Concentrator which has a Cisco PIX 525 Firewall.When the Firewall is disabled, the connection is made with no errors. But obviously, this is not good practice.The problem seems to lie with the Local Client Firewall?

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Cisco WAN :: Ethernet Interface On 3560 And 2960?

Nov 12, 2011

3560--------------------------2960 connects via single mode Fiber and now will have another redundant Link between 3560 and 2960 with Ethernet interface ( Wireless). 3560------------trunk config---------2960 < Fiber Link >
 
what config I need on Ethernet interface on 3560 and 2960?what config is needed to alwayz have fiber as primary connection and Wireless as backup.

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Connection Failed - Firewall Errors Detected

Jan 14, 2013

Problems connecting to different services and an online game. Examples:

1.) "Connection timed out" in Teamspeak 2. (debug log not really yielding much useful information).

2.) Torchlight 2 reported "Connection failed - Firewall errors detected."

- almost all other online applications work just fine (including voice over ip and games) What I've tried (without any success):

1.) I could connect in either case using my old laptop! Thus it works on a different computer, from the same network, at the same/similar time. Thus I concluded it must be somehow related to this laptop (its a new laptop).

2.) The TS2 server & entered information is 100% working, same applies to torchlight2 - also latest updates installed and of course the game is totally legal.

3.) Windows firewall: all the mentioned programs are on the allowed list. Also check whether its correctly set to "home network". Futhermore I also tried disabling the windows firewall entirely.

4.) No other firewall program in use.

5.) Check all programs I know of which might be related to network traffic (e.g. Qualcomm Atheros Killer Network Manager - disabled it).

6.) Tried both, wireless and ethernet cable connection.

7.) I even tried running the game, torchlight 2, via Tunngle (explained in a layman's words: a program that simulates Lan over the internet).

Some Information about my system:Its a new laptop. Network card is labled as "Killer e2200 PCI-E Gigabit Ethernet Controller.Runs Windows 7 and did start out empty: i.e. I installed every single program running on the machine and as far as I know none of them should have anything to do with network. Virus scanner is the lastest version of AVG free (no firewall included).

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Cisco Firewall :: 5510 Active / Standby Failover Errors

Jan 25, 2012

I just added a new 5510 failover unit to an existing 5510 and when connecting my new outside interface on an Active/Standby firewall pair, i get errors messages (red x) on each port scan (monitor & syslog) although the error message indicate all ports are good...additionally the firewalls flip between active and standby non stop. I remove the new standby unit outside interface from a shared switch and everything clears up.

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Cisco Switching/Routing :: 2960 - Two Data VLans On One Interface

Sep 26, 2012

How can i add two data vlans on cisco 2960 on one interfase? i have 3 mac adresses on one interfase: one PC, one ipphone and one XP virtual machine(VM). PC and VM are in one data vlan and phone is in voice vlan. i need to place the VM in another data vlan is it possible? if so could you give me a link or place information here.

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Cisco Switching/Routing :: Catalyst 2960 - Get Notconnect On Interface

Nov 20, 2012

At one of my sites, I have a 100mbit TLS. For this connection to work properly, the port on my end needs to be setup for 100mbit, full duplex. When I connect the TLS to an interface on my Cisco 2821, configured at 100/full, it works perfectly. Now the confusing part, I'm trying to connect the TLS to a Catalyst 2960. I configure the necessary port for 100/full, and get 'notconnect' on that interface. I set the interface to auto/auto, and it negotiates at 100/half and causes collisions and packet loss.

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Cisco Switching/Routing :: 2960 - Connecting Two Vlans To 1 ISP Router Interface

Dec 19, 2012

I have two Catalyst 2960 Series (48 port) switches with the newest Cisco IOS installed. There is also a Cisco 2600 Series Router which I can't manage because it's ISP managed.
 
Now the problem is as follows. I'd like to create two VLANs, one in the IP range 192.168.0.xxx and the other in the 192.168.1.xxx. Now the router has a gateway IP address 192.168.1.1 .
 
Would it be possible to somehow connect these two VLANs with the router so that these 2 VLANs can't see each other but they can ofcourse both contact the router and exit on the internet?

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Cisco Switching/Routing :: Output Drops With Interface Utilization 20% In Sw 2960-S

May 19, 2013

i noticed the "output drops" increasing in  interface gi 1/0/1 in my switch 2960-S although the utilization of my interface is between 20% and 50 %
 
SW__A#sh interfaces gigabitEthernet 1/0/1
GigabitEthernet1/0/1 is up, line protocol is up (connected)
  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
     reliability 255/255, txload 93/255, rxload 3/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)

[code]....
 
what is the cause of this issue ?

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Cisco Firewall :: ASA 5520 / Crypto Errors CTM ERROR / Failed To Allocate X Bytes Of Memory

Oct 9, 2012

I am currently getting a strange error when trying to use and crypto services on our ASA 5520 (8.0.3)Initially I observed that a connected VPN had dropped.Then when I attempted to use ASDM or SSH I was blocked.
 
In the end I opened telnet as a test and this was successful. Syslog also shows that traffic is passing as normal.The only obvious error I can see when observing various debug traces is this;
 
FW02# CTM: rsa session with no priority allocated @ 0xCF1FBBA0
CTM: Session 0xCF1FBBA0 uses a nlite (Nitrox Lite) as its hardware engine
CTM: rsa context allocated for session 0xCF1FBBA0
CTM: rsa session with no priority allocated @ 0xCE7A5EA8

[code]....

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Cisco Firewall :: 5540 ASA Interface Input Error On Outside Interface

May 28, 2013

We are having Cisco ASA 5540 having Cisco Adaptive Security Appliance Software Version 8.0(5)23 at certain time of moment daily wer are facing latency and packetdrop wherin when I checked for ASA Interface which gives me " Input Errors" on outside interface ,so can any one tell me what are the causes to get input errors on cisco asa outisde interface.

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