Cisco WAN :: 1T3 / E3 / 2951 - No Interface Corresponding To Module When Show IP Interface Brief

Feb 13, 2012

I have a 1t3/e3 card in a new 2951. When I statred the router, I found no interface corresponding to this module when do "show ip interface brief"

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Cisco Switching/Routing :: 3750 - Show Interface Vlan (ID) Doesn't Show In / Out Traffic Rate

Mar 13, 2013

I have configured a vlan interface on a 3750 switch. there is aprox 4Mb active traffic flowing through the interface, but when I do a "show interface vlan (vlanid)" the output show zero bits in and zero bits out. Its a typical L3 config with one IP on the vllan interface acting as the gateway for the VLAN devices. Is this a normal behaviur ? and if so is there any way to get the traffic in/out stats. The end PC/devices are connected to this switch via an L2 TRUNK and I dont have access to the L2 switch on which the actual devices connect. so cant get the real time stats of those interfaces.

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Cisco WAN :: Interface Flapping Lost Carrier With 2951

Nov 1, 2012

Having an issue that we have with a CISCO2951/K9. It connects to Internet through the GigabitEthernet0/1 interface. Since a few days ago, the Gi0/1 interface is flapping many times in a day:

100468: Oct 30 12:16:28 CST: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down
100469: Oct 30 12:16:29 CST: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to down
100474: Oct 30 12:17:08 CST: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to up

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Cisco Routers :: RV220w / 2951 - VLAN ID On WAN Interface

Nov 10, 2011

We have a new optical fiber connection from a new ISP (only for Internet) and we found that our Cisco router RV220w won't work with this new connection because is not possible to add the V LAN ID 20 for the WAN traffic, as required by our ISP/connection. Now we would like to know what Cisco routers can support this feature and that can be "similar" to the RV220w or if there is another way to solve this problem and maintain our actual RV220w, because the features on this particular router (apart of the V LAN ID on Wan) are more than enough for us -

We would like to have a “simple” router and with firewall and VPN features as RV220w, because the one that our provider says that works seems to be too much for us Cisco 2951-SEC K9 – We are a small company with a network of around 10 computers and we only need some VPN connections for our sales companies in Europe and workers when traveling (3-5 VPN connections are OK).

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Cisco Switching/Routing :: Cannot Remove Embedded Service Engine Interface In 2951

Mar 5, 2012

I have removed an embbedded service engine modole from an 2951 router, after reboot the rouiter. the service engine interface still appears; any command can I use to completely remove it.

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Cisco WAN :: 2951 - QoS For Voice On Multi-Link Frame Relay Interface / Subinterface

Jan 10, 2012

QoS on an MFR interface/subinterfaces. We have a remote site with two bundled T1's terminating on a 2951 router for a total bandwidth of 3072. The circuit is provided by Paetec and the subinterfaces are designated for internet and MPLS traffic respectively. The issue we are facing is with outbound voice quality. It seems that no matter how we apply QoS, either to the main MFR interface or the MFR subinterfaces, voice packets do not seem to be prioritized. We tried FRTS, which slowed the entire link down to a crawl, we tried applying a class map to the main interface as well as a service policy, none of which seemed to affect anything.

class-map match-all VOICE
match ip dscp ef
class-map match-any SIGNALING
match ip dscp af31
match ip dscp cs3 (code)

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Cisco :: 2951 - Interfaces Send Netflow Data Despite No Flow Config Under Interface

Aug 17, 2011

Cisco 2951 w/ HWIC-4ESW
IOS 15.0(1)M5 
#sh ip flow int
ip flow ingress
ip flow egress
The SVI sends the flow data just fine, however I also continue to receive flow data from most other interfaces.
I have attached a screenshot of one of our netflow collectors indicating that many of the interfaces are sending flow data even though not configured to do so. We have two different netflow collectors, from different vendors and both confirm the same interfaces sending flow data.
Normally I wouldn't care and ignore it, however one of them uses a license limit by interface and is a bit problematic.

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Cisco Switching/Routing :: 877 / Show DSL Interface ATM?

Aug 30, 2010

i've got a Cisco 877 router connected to an ADSL link. i'm using the show dsl interface atm just to have a look on its performance. i've tried to search on Cisco website on how to interpret the output but a blog gave me more info [URL]. My question now is, what readings do i consider? is it on the left (ATU-R) or on the right (ATU-C)?
877ROUTER#sh dsl int atm0                ATU-R (DS)                      ATU-C (US)Modem Status:    Showtime (DMTDSL_SHOWTIME)DSL Mode:        ITU G.992.1 (G.DMT)ITU STD NUM:     0x01                            0x01Vendor ID:       'ALCB'                          'ALCB'Vendor Specific: 0x0000                          0x0000Vendor Country:  0x00                            0x0FCapacity Used:   31%                             85%Noise Margin:    34.0 dB                         10.0 dBOutput Power:    16.0 dBm                        12.0 dBmAttenuation:     10.0 dB                          6.0 dBDefect Status:   None                            None                        Last Fail Code:  NoneSelftest Result: 0x00Subfunction:     0x15Interrupts:      1453 (2


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Cisco WAN :: Interface FE0/0 On 2801 Show (changes State To Up)

Oct 8, 2009

i have an Issue with my cisco the logs shown me the interface FE0/0 cames up some times but never show the down state, I receive my internet service on this interface but never lost the conection, just this logs information 
Oct  7 18:39:32.412: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Oct  7 18:39:41.448: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Oct  7 21:57:20.775: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Oct  8 02:29:31.350: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
Oct  8 02:55:12.362: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up

the IOS Version that is running is

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Cisco WAN :: 1841 - Show DSL Interface Command

Jul 15, 2012

I'm trying to troubleshoot one of our site today and can't seem to issue the show dsl interface command on a 1841 router. Does the same command is used for SHDSL or am I running with an IOS bug?
#sh dsl? 
% Unrecognized command
#sh ver
Cisco IOS Software, 1841 Software (C1841-BROADBAND-M), Version 12.4(15)T7, RELEASE SOFTWARE (fc3)
Technical Support: {URL}
Compiled Wed 13-Aug-08 15:42 by prod_rel_team
#sh inv 
NAME: "chassis", DESCR: "1841 chassis"
PID: CISCO1841         , VID: V05 , SN: FHK13212639
NAME: "WIC/HWIC 0", DESCR: "WAN Interface Card - ATM (With multi line G.SHDSL module)"
PID: WIC-1SHDSL-V3     , VID: V02 , SN: FOC132041KD

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Cisco Switching/Routing :: 805 Show IP Interface Brief Protocol Down

Feb 24, 2013

I have encounterd a broplem on my Cisco 805 model.
When i use the command "show ip interface brief" the status shows "up" but the protocol is "down" on my serial interface.
The link between my to sites is down after this happend.

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Cisco Firewall :: ASA 5550 Module 1 Interface

Oct 25, 2011

Is it possible to use ports from 2 SFP and 2 RJ45 Interface on ASA 5550 Module 1.

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Cisco Switching/Routing :: 3750 Show Interface Options

Jan 16, 2012

I'm troubleshooting a 3750 switch stack problem where computers are showing input and CRC errors.  I'd like to be able to execute a "show interface" command that will show me only the line showing the switch port and the line showing the input errors, but so far I can't figure out a way of combining those two parameters. 
If I do "show interface | include Ethernet[0-9]�" I get all the lines showing the port numbers:
GigabitEthernet1/0/1 is up, line protocol is up (connected)
GigabitEthernet1/0/2 is up, line protocol is up (connected)
GigabitEthernet1/0/3 is up, line protocol is up (connected)


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Cisco WAN :: C1921 One Way Multicast And Wrong Interface Info In Show Ip

Nov 5, 2012

C1921, running version 15.1(4)M2, with licence for "IP base" feature set only.Trying to pass multicast via a PPTP VPN from a Windows XP machine to work around a non multicast-aware WAN link

1. With the IP Base feature set I am able to create a plain PPTP VPN without any encryption; the Windows XP machine can bring it up and unicast data passes through it OK in both directions.
2. But when trying to send multicast, only one-way traffic is observed:i. Windows XP host on far end of PPTP VPN and a local PC both running old Microsoft tool "MPING.EXE", sending and listening for traffic on the groiup The distant host receives and echoes back the packets received from the local machine + sending its own (confirmed with Wireshark running at the far end)ii. But the local machine directly connected to the C1921 router does not hear any packets from the far end; Wireshark shows only the ones it is sending.
3. Group status ("show ip igmp membership") as far as the C1921 is concerned shows both ends ( (local end) and (distant end via the PPTP VPN)) joined to the group [code]

4. But "show ip mroute" for that group shows an error; for the source on the far end of the PPTP VPN (having the IP address, the source interface is incorrectly shown as GigabitEthernet0/0 (should be Virtual-Access2.1 for that PPTP VPN) and the outgoing interface is shown as Virtual-Access2.1 [code]

5. I have tried adding static mroutes and messing about with parameters for the virtual-template interface for the PPTP VPN, but the problem remains. And if I put another local PC onto a different Ethernet port of the router, the multicast traffic does flow both ways - so the issue is solely with the PPTP VPN.After a week of head-scratching I am getting more and more convinced that it's a bug... but wonder if it is already-known, has a workaround, or a fix in newer firmware?

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Cisco Switching/Routing :: 4506 - Show Authentication Session On Interface

May 17, 2012

I'm dealing with a 4506 switch that whn I try to apply "sh auth sess int xx" I get "Invalid Input Detected" ... Is there any way that I can get the authenticated session over a port even if I can't apply "sh auth sess int"?

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Cisco Firewall :: 5505 - Show Current IP Address Of Interface (dhcp)

May 8, 2012

Is there any way of showing the currently assigned ip address for an interface configured to use DHCP on an ASA 5505?

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Cisco WAN :: ASR1002 - Show Policy Map Interface With Nested Class-Maps

Jul 18, 2011

I have a requirement to provide stats on a per-department, per-destination basis between sites. If I take Voice as an example I have 5 child classes referring to the 5 departments each matching EF and a particular access-list that matches the department's subnet. I tie these 5 child classes into a parent Voice class-map.
Now when I issue a "show policy-map interface" command I see stats for the parent class-map only whereas I would expect to see a breakdown for each of the child classes which is what is required.
I am doing this on an ASR1002 running 3.2.2.

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Cisco Switching/Routing :: 2911 - Assign IP To Interface In Module?

Jul 25, 2012

I need to configure a Cisco 2911. I need to give an interface in this module (VWIC3 - 4MFT-T1/E1) an IP address. My question is, how to assign an IP to an interface in this module.
My purpose is to get connectivity via T1 line to another router.

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Cisco :: Command To Show Uptime Of A Router Interface In Days / Hours / Minutes?

Aug 22, 2012

I'm probably overlooking something very simple but is there a command to show the uptime of a router interface in days,hours,minutes?

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Cisco Switching/Routing :: 6500 Show Interface Status Output As VLAN

Mar 5, 2013

I have a really weired thing happening on 6509 device with one of my customers.The device has a SUP 2 (MSFC2) with version 12.2.18SXF17B.
any VLAN interface once administratively down or simply down shows on "show interface status" output as VLAN.While it supposed to show "Routed". However once the port is up it is shows "routed" like it should.

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Cisco WAN :: 2911 - Support Interface ADSL Module Like Backup Link?

Apr 27, 2011

i will going to buy a router 2911 but i want know if support a interface ADSL modulo like backup in case that my primary link WAN Ethernet down and up the adsl link with a module HWIC ADSL pots.

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Cisco :: Snmp Oids For Command Show Counters Interface Intx / Y Delta On Catalyst 6500

May 23, 2011

I have a question about SNMP OIDs for the command "show counters interface intx/y delta" on Catalyst6500. The customer wants to create graphs for the following values:Overruns, qos0Outlost, InErrors, OutErrors, InDiscards, OutDiscards etc..Is possible to get these values using SNMP?

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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 WAN :: 1841 Router - HWIC Interface Card - Cannot See Interface In Configuration File

May 9, 2012

i have a 1841 cisco router and i recently purchased a 1 port HWIC wan interface card. My problem is that I cannot see the interface in my config file. Is there something i am missing?

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Cisco Switching/Routing :: ASA 5505 Cannot Ping From Inside Interface To Outside Interface

May 1, 2012

I have a Cisco ASA 5505 and I have my internal and external interfaces configured but I currently cannot ping from the inside to an IP Address on the outside.  I had this setup and working and I have another set of equirement that I am replacing that is working with my service provider so I know it is a configuration issue.  When I ping for example I get:
Destination host unreachable
Do I need to add a static route from my inside interface to my outside interfaces?   

: Saved
ASA Version 8.2(5)
hostname pxasa


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Cisco WAN :: 2951 Can't See SM-D-ES3-48-P Module

Jan 25, 2011

I have the situation with my new Cisco 2951 router. It has only one module on board - SM-D-ES3-48-P. I don't know what is wrong but I can't see any information about this module. When I connect my laptop to any port it's become green, but it's still green even after I disconnect PC from this port. Sh ip int brief command shows only built-in gigabit interfaces. I also connect my second PC to the router by console to monitor any changes when I connect or disconnect laptop to the module's ports. [code]

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Cisco WAN :: Set Up WAN Interface On Fast Ethernet Interface Of 877 Adsl Router

Apr 9, 2011

Is it possible to set up a WAN interface on a FastEthernet interface of a Cisco 877 Adsl Router ?Due to my ISP, i've to use an external VDSL modem and must connect it to my cisco 877 router (and leave it's adsl interface unused).But i don't know how to set up a wan port, other than the adsl interface itself (dialer0), on my cisco.

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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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Release Interface Loopback Pseudo - Interface 1 / System Do Not Find File

Oct 31, 2011

I share a modem and router with my building, and connect to the internet using an ethernet cable which plus right into the wall in my apartment. When I hover over the network/internet icon it tells me that I have a local connection only and can't get online. No changes were made to my computer between it working and not working - I have not installed any new software and the modem+router have not been changed.

When I try ipconfig/release is says it can't perform the operation while the media is disconnected. It also tells me that "an error occurred while releasing interface Loopback Pseudo-Interface 1: The system cannot find the fie specified".


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Cisco Firewall :: PIX 501 / Can Traffic Goes From Inside Interface To Outside Interface

Oct 9, 2011

I have Pix 501 firewall and I'm just configuring the device for "Email Server" to allowing POP/SMTP.
Inside Interface Address:
Outside Interface Address: ISP provided IP address
My question is can my traffic goes from inside interface to outside interface? (because the inside interface address not from 10.0/172./192.168 private address)Also I'm allowing internet from this email server ( so what my access list to be configured? and what my subnet mask shoud be there?
Pix(config)#access-list outbound permit tcp any eq 80
Pix(config)#access-list outbound permit udp any eq 53
Pix(config)#access-group outbound in interface inside

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Cisco Firewall :: ASA 5550 - Interface Failover / Interface Goes Down

Mar 18, 2013

I've got a ASA 5550 firewall interface failover issue. (File attached).
when I shut down the inside interface Gi 1/1 of the left firewall(Active firewall), It failed to failover. but when I shut down the Gi 1/12 of the Core 1 switch, The firewall failover very well.
I followed this guide but I was not able to failover. [URL]
how can I configure so that when the Gi 1/1 or Gi 1/0 interface goes down, it can failover ? Code...

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Cisco WAN :: 2900 - Bridge From WIC Interface To Ethernet Interface

Apr 22, 2012

Needing to bridge from my wic interface to an ethernet interface on a 2900 series router so that I can pass through the ip address given to the WIC, to my ASA so that I don't have to give my ASA a private range address. (Just like a service provider might do when bringing a T1 with managed router in to my prem)

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Cisco WAN :: 877 - Virtual Interface Goes Down But Not Physical Interface

Apr 5, 2011

I have five 877 routers connected to ADSL circuits provided by Vodafone. Each has a VPN tunnel back to a PIX.
Occasionally one of the sites will lose it's connection to the PIX.
When we check the log, we find entries like these:-

Apr  5 01:31:54.085 UTC: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access2, changed state to downApr  5 01:33:19.344 UTC: %CRYPTO-

As you can see, the physical interface (ATM0) is not being reported as changing state to down, neither is the Dialer interface.
When the router is in this state we have to SSL to the public IP address of it and manually restart the ISAKMP SA.
When the router sees the ATM interface go down and subsequently come back up, the VPN connection to the PIX also recovers.
So - in a long winded way I think I'm asking....why does the Virtual interface go down and is there anything I can do to stop it happening?

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