Cisco is a major provider of switches and routers to most medium and large companies. Cisco devices often run IOS or NX-OS. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.

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1answer
26 views

Cisco 7945 Phone won't boot after power outage [on hold]

I have two Cisco 7945 phones that will not boot after a recent power outage. I tried using this (http://amyengineer.com/tag/9-31sr1/) method to load the firmware back on. Sadly, the phone doesn't ...
2
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3answers
24 views

Cisco ASA NAT - internal host see its public ip

I have a server hosted by a provider which uses Cisco ASA to do nat. The problem I have is that the internal server that is nat-ed with a public ip will see its public ip as source ip. This basically ...
0
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1answer
26 views

Add non-flex switch to existing switch stack

I have an existing stack consisting of two CISCO 2960-S series switches. They are connected using the flex-stacking cables in the back, the top one being the master and the lower being the slave. I ...
0
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0answers
25 views

why cisco VPNC work on the second time each time and not on the first time

I use the vpnc ( cisco VPN that installed on linux red-hat 6.X ) and the vpnc.conf file look like this more /etc/vpnc.conf ## generated by pcf2vpnc IPSec ID Comvwde IPSec gateway 217.118.6.7 ...
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2answers
20 views

cannot access my cisco 881W AP interface

I have a new Cisco 881w AP and I am trying to get to the AP interface. When i follow the procedures outlined by Cisco, i get asked for a username and password. I have tried all the suggested ...
0
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1answer
22 views

enable lacp mode active on isr 2951

Any idea if ISR 2951 support LACP ... i don't see any cli command to enable it. My router IOS version is 15.2(4)M7. Can you help please. below is my config: interface Port-channel1.1 description ...
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0answers
43 views

Cisco vpn access to another router

I am using a Cisco ASA 5505 to VPN into my network (which is working great), and I want to connect to a different network that is on a Asus RT-N66v. For example: network 10.1.1.1 is my VPN and ...
0
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0answers
14 views

Cisco CallManager AXL SQL Toolkit - Retrieve directory number and user ID

I have the below SQL query to retrieve the list of userid and their telephonenumber using Cisco CallManager AXL SQL Toolkit: sql query="select d.name as deviceName, e.userid, e.telephonenumber from ...
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0answers
15 views

How to automate updating of a setting on Cisco phones remotely?

Normally, to make a change one would get the IP address of a Cisco VOIP phone, access its settings via a web browser and make any changes to the settings they need to using the web interface. Is it ...
0
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1answer
32 views

Is there a Cisco IOS command for finding out the serial number of a switch / router?

I am doing an inventory of all of our switches and I was wondering if there's a Cisco IOS command that will return the serial number for a switch and router? Thanks in advance!
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0answers
29 views

Link-local address is unreachable

I have configured ipv6 on Cisco ASR 1000. Cisco configured as BGP router. LAN interface connected to linux and windows machines. All ipv6 addresses on CentOS and Windows are static. I checked Cisco's ...
0
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1answer
36 views

Limit bandwidth in cisco router with policy-map doesn't work

I have a problem with my scenario in limiting bandwidth of ubuntu PC in GNS3 with class-map and policy-map. this is my topology in GNS3: ...
1
vote
1answer
46 views

Cisco ASA - difference between inside_access_in and inside_access_out?

So a minor problem we have is any internal servers have no (non-icmp) access to the outside is being blocked. Our current config is: inside_access_in any ---> any ---> icmp inside_access_out ...
1
vote
1answer
58 views

how to setup snmptraps to automatically report ports that when down due to 'err-disabled'?

I'd like to automatically monitor all ports on my switches and get notified whenever a port goes down. So far I have to connect to each switch manually and read out the disabled ports by hand: show ...
0
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0answers
27 views

Catalyst 3750 switch shows gibberish in the console on boot (could be a baud rate issue)

I've got a Catalyst 3750 series switch here, I switch it on by holding the 'Mode' button and then plugging in the power. In PuTTY console I can't type anything, but when I press anything on keyboard, ...
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0answers
36 views

Many error lines in snmpwalk report

Devices : Cisco SG 300 switch / Ubuntu 14.04 LTS when I run a snmpwalk, I get many error lines before the actual requested datas. Example: snmpwalk -v3 -u public 192.168.0.20 IF-MIB::ifHighSpeed ...
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0answers
50 views

Route Email to external IP Cisco ASA 5515

I have a cisco ASA 5515X with two WAN connections and one LAN connection. As far as I understand, I hace the firewall configured to allow SMTP traffic through WAN2 interface, but not through WAN1. ...
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0answers
25 views

How to terminate any ip/ip tunnel which has this host as destination

I am in a situation where I want to terminate any tunnels at one device. I.e. I want to be able to create a tunnel to this device from any source ip adress. Something which can inspect a packet, see ...
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0answers
48 views

How to setup Cisco IOS with multi public IP's

I'd like to set up a little network environment. We have bought 2 different subnet from our ISP. The WAN internet connection : xx.yy.81.61/26 WAN gateway: xx.yy.81.1 First subnet : xx.yy.81.80/30 ...
1
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0answers
10 views

how to allow a subnet to surf internet in Juniper and Cisco ASA

how to allow a subnet to surf internet in Juniper and Cisco ASA is there an configuration example to show allow a subnet of class C IP address to surf internet in Juniper and in Cisco ASA ? assume ...
0
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1answer
50 views

What are the VPN configuration requirements for site-to-site VPN with Azure?

I'm using a Cisco RV325, and I don't have access to any bigger/better routers. My understanding is that the RV325 should still support the necessary security protocols to connect to the Azure ...
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0answers
64 views

Wrong SNMP ifSpeed and ifHighSpeed values from Cisco RV 110W

My Cisco Small Business RV110W Router reports wrong SNMP ifSpeed and ifHighSpeed values for eth0, vlan1 and vlan2 ( 10 Mbit/s instead of 100 Mbit/s ). This causes my SNMP management software to ...
2
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0answers
40 views

Cisco VPN:Secure vpn connection terminated locally by the client

I get this error when trying to connect to a Cisco VPN: Secure vpn connection terminated locally by the client Reason 412: The remote peer is no longer responding I tried to disable firewall and ...
3
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1answer
34 views

Consequences of blocking ports on Catalyst 4506

Several years ago, I purchased a Catalyst 4506 at a business liquidation, and it's been merrily humming along running my office network (I know it's tremendous overkill, but as I was the only bidder ...
0
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1answer
46 views

How to Access Server After Cisco AnyConnect Connected?

I have bought a VPS with Windows Server 2003 and Valid Public IP a.b.c.d In this Server I have to Connect to Another Private Network with Cisco Any Connect also I have to RUN a CCProxy (http proxy ...
3
votes
2answers
121 views

rsyslog - configuration help - logrotate and compression

I am a newbie to Linux and rsyslog. I have used the logfiles for many years, but I have never had to set one up. At this point I have some Proof of Concept devices pointing to my Debain Linux server. ...
3
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0answers
131 views

Ubiquiti Wireless Guest Network VLAN w/ pfSense + Cisco Switch

I'm trying to setup a guest wireless network in an environment that has been humming along nicely for quite some time. The wireless runs on Ubiquiti UniFi APs. I hope this is clear. If its not, feel ...
0
votes
1answer
37 views

Filter OSPF routes redistributed by BGP

I am redistributing OSPF routes inside a network, through BGP. However I don't want to redistribute all the advertised routes from OSPF (specificaly the private networks) to the outside of the AS. How ...
1
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1answer
43 views

How to use same MPLS Traffic Engineering tunnel for ipv4 and ipv6

I have MPLS TE configured and working, but it is currently using IPV4 and I needed to include IPV6. My current tunnel configuration is the following: interface Tunnel1 ip unnumbered Loopback0 ipv6 ...
0
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2answers
68 views

Limiting IP access geographically

I don't want to cause any offence here, but whenever I take a look at the logs for my servers I can see I am constantly having IP addresses in China try to login to my machines, hoping to get access ...
0
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0answers
52 views

Include multiple sub-interfaces in Cisco ASA for VPN tunnel

I am trying to create a VPN tunnel between two Cisco ASAs where one ASA has multiple sub-interfaces. Say, In Cisco ASA 5550, I created multiple subinterfaces with VLAN ID as below: Inside, int0/1 : ...
0
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2answers
59 views

Unable to add allowed VLANs to trunk and port not trunking

I am unable to add any VLANS to be allowed on trunk and the port is not trunking. I've tried: Switch0#configure terminal Enter configuration commands, one per line. End with CNTL/Z. ...
2
votes
1answer
42 views

Unable to remove a port from default VLAN

I am unable to remove a port from my default VLAN. I've tried: Switch(config)#interface FastEthernet 0/1 Switch(config-if)#no switchport access vlan 1 It has no errors but when I check it using: ...
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0answers
31 views

How can one determine what Kerberos key encryption algorithms are supported on a Cisco IOS device?

When attempting to load an SRVTAB over TFTP, I receive an "Unsupported keytype" error: abc(config)#kerberos srvtab remote 1.2.3.4 abc.srvtab Loading abc.srvtab from 1.2.3.4 (via Vlan123): ! [OK - 121 ...
0
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0answers
21 views

New Cisco AIR-1602I-E-K9 AP not working on some ports

I have had this problem since last friday but cannot solve it. I gave it a lot of thought so posting here is my last option/hope. We recently aquired 5 new Cisco AIR-1602I-E-K9, I configured them all ...
0
votes
1answer
28 views

Routing - Access Lists

I am relatively new to learning networking I've been trying some stuff out about "Access Lists" but seem to be confused at some point. I am not able to deny a whole ip range from accessing another ...
0
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0answers
95 views

Cisco ASA 5510 needs “clear arp <Interface>” periodically to reach a single host

ASA 9.0(3) The symptom is that I can ping from the ASA to any other host in that interface's subnet, save one particular host (that host can ping the interface on the ASA however). If I do "clear arp ...
0
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0answers
21 views

Cisco 877 Initial Setup - Enable SDM

We purchased a used 877 and installed IOS and reset to factory defaults with a console cable. Now I just need to set it up as right now connecting via ethernet and pinging 10.10.10.1 won't connect (ip ...
0
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0answers
40 views

ASA 5515-X: Policy based NAT for dedicated uplink

We have bought a Cisco ASA 5515-X and we have the following scenario. Current situation: GigabitInterface 0/0, IP via DHCP, ISP1, Coax, 100M up / 12M down, medium latency GigabitInterface 0/1, ...
0
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0answers
32 views

sg300-10 problems with vlan connections

I was hoping someone could give me a pointer on a VLAN setup issue i am having. My Enviroment: Cisco S300-10 Switch (set to L3 Mode) I have uploaded a newb drawing of my switch config in the hope ...
1
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1answer
54 views

Cisco Catalyst 2960S boots to “MLG System”

We have a brand new Cisco Catalyst 2960S that while connected to the console during boot is booting to the following: File ...
0
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0answers
71 views

Cisco ASA 5505 - IPSec remote VPN accessing secondary subnet

Layout: modem (pass through) -> Cisco ASA 5505 (Lan 192.168.10.1) -> (Wan 192.168.10.2) Netgear N600 Router (Lan 10.1.10.1) -> workstations (server=10.1.10.34) VPN connection to ASA no problem. I ...
2
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2answers
75 views

IPv6 Stateless Autoconfiguration route advertisements

In our network, we have a Cisco router acting as the core router, connecting all our sites to the main site. We also have a Linux firewall connecting us to the Internet. Site 1 --\ ...
3
votes
1answer
103 views

Cisco switch: is it possible to add a user, which would be able to modify a single specific port?

Is it ever possible to delegate control over a single switch's port to an end user? Here's the situation: let's say a company offers colocation service. Each client's server is connected so a port on ...
0
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2answers
24 views

How to determine if auto negotiation with switch is finished

When I connect ubuntu network interface to cisco switch, the ports of switch and ubuntu starts auto negotiation. I need to know if auto negotiation is finished or not. The easy way is ping & ...
0
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3answers
42 views

How to see traffic traversing a Cisco ASA by inside host?

I have a Cisco ASA 5515 running 9.1 and am interested in learning how I can see bandwidth usage by individual hosts. For instance, using MRTG I can see that my average bandwidth utilization is approx ...
0
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1answer
55 views

Cisco static NAT not working on LAN side

I have a web server in my private network that has the ip address 192.168.1.134. I need to allow users to access this web server from both the internet and the private network. The public ip address ...
1
vote
1answer
60 views

Force Cisco ASA to change source port NAT

I have a 2 devices, a Cisco ASA and sitting behind it another device. Both the Cisco and the other device have IPsec tunnels but to different locations. I need to ensure that the source port of the ...
1
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0answers
38 views

Cisco IOS 15.1 Multiple Inside Addresses Corresponding to Outside IPs (Client Switchable Inet IPs)

I have a Cisco 867VAE running IOS 15.1 which I am trying to configure. My network style is simple: I have one subnet, 10.0.0.255. I have mostly user operated computers DHCP'd and Wi-Fi for the mobile ...
1
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1answer
155 views

cisco ASA 5505 l2tp vpn

I have a problem with cisco asa 5505 vpn configuration. I set l2tp for windows clients. I can connect to vpn but: when i have "use default gateway on remote network" on NIC enabled i have access to ...