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1answer
33 views

cisco7200 router responds to icmp messages not addressed to it

I am trying to play (in GNS3 if that matters) with a very simple topology of three routers connected via hub. The time I am trying to ping from one of the router to another say R1 to R2. The R3 ...
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0answers
17 views

Cisco sg300 Home Lab Issues [on hold]

I have a lab with a VMware ESXi server, a client PC, and a Cisco SG300 with multiple VLANs configured in L3 mode. The PC is in VLAN 239 (the lab subnet), and the server is in VLAN 241 (the "server" ...
2
votes
1answer
69 views

How to troubleshoot a MAC flapping between switch ports. (Cisco)

I'm working on a rather small Layer 2 network segment that contains a physical loop. (I have included a picture of the topology below). The core switches are stacked 3850s. The other switches are ...
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1answer
1k views

Cisco IP SLA monitor failure on tcpConnect but the host can be telneted from router

I want to configure a failover link to my cache server with Cisco policy routing. So I attempted to create an ip sla monitor. here is the syntax in the cisco router (there is possibility of being ...
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1answer
2k views

Cisco 1142 AP not joining WLC

I have one an issue that I would be extremely grateful for help with. When I check the AP join statistics I see the following: Reason For Last Unsuccessful Attempt RADIUS authorization is pending ...
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0answers
7 views

Cisco aironet roaming issue

Since a couple of weeks I've been having an issue with a few Cisco Aironet AP's. When a client connects (Symbol handscanners) the connection establishes just fine and you can see pings being ...
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0answers
15 views

Windows 7, 64 bit, Office 2013 [on hold]

July 2016 - I got Cisco Any Connect Secure Mobility Client v 4.2.03013 pushed on us at work. We have Windows 7 64 bit. This is causing us to loose all network connectivity. This is not my strength so ...
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3answers
1k views

How accurate is cisco's “show proc cpu history” compare to snmp's cpu loading?

I'm using snmp to monitor my cisco router's cpu loading, but the number has a large difference with show proc cpu history's output. When sh tells me cpu loading is 7x%, the snmp only gets 2x%. Which ...
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votes
1answer
1k views

Cisco ASA LDAP Group Privilege Level

We have a pair of ASA 5510s (8.4.3) on which we use LDAP authentication for VPN and SSH access. On all of our Catalyst switches, which use RADIUS, we're able to set the shell:priv-lvl to 15 in the ...
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0answers
14 views

CISCO: Use Specific Outbound IP For Locally Initiated NAT-ed Connections

I have a CISCO 2911 router, multiple public IPs and few servers. I have setup my router (ROUTER1) to be accessible through internet-accessible public IP (lets say) 190.0.0.250 and its local IP to 10....
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0answers
6 views

Use a Cisco 1140 to bridge to a cellular wifi hotspot? [closed]

I'm wondering if it's possible to configure a Cisco 1140 as a bridge to a cellular wifi hotspot? More specifically, assigned to a VLAN back to the firewall? What I'm trying to do is route specific ...
1
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1answer
5k views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
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2answers
89 views

Is it possible to configure a Cisco AnyConnect VPN to use two separate LDAP authentication methods simultaneously?

I have a Cisco ASA 5505 with a Security Plus license along with an AnyConnect Plus license. I don't currently have any VPN configuration on the ASA as I'm still in the planning phase. I would like to ...
1
vote
1answer
3k views

Cisco - Port's configured trust state is now operational

I am looking at a Cisco switch's log at work and am a bit confused by how verbose it can be at times. For instance, we use automatic QoS here and I often see this when phones are plugged: Mar 18 15:...
2
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1answer
25 views

Cisco ASA Site-To-Site VPN change peer IP

We use Cisco ASA 5510 and I have to change peer IP address on the current Site-To-Site VPN. Every time when I have similar issue I deleted current vpn and then create new one from scratch.After ...
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1answer
2k views

Gre Tunnel Cisco Linux traffic forwarding

I setup a gre tunnel a cisco router and a Linux machine, the tunnel interface in the Linux box named pic. Well i have to forward traffic coming from cisco through the Linux box. the rules i've set in ...
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2answers
857 views

Cant Connect/Ping to Management Console on Cisco SG200-50 after Connecting networking

I have two of these switches. When I have nothing else plugged in and a cable from port 1 to a laptop on the same subnet I can connect fine, however after plugging any additional networking in I ...
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3answers
2k views

TACACS+ - Cisco Router - Failover to local database not operating as it should

I have TACACS+ working and now I am trying to set it up so that it will failover locally if the TACACS+ server is unavailable. My goal is for it to check the TACACS server first, then failover if it ...
2
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0answers
42 views

Squid3 WCCPv2 with ASA not working

So I have begun the awful adventure of getting Squid 3.3.8 working with my Cisco ASA 5520 (9.1(5)). I think the problem is that the traffic is getting to the squid box but it is either not getting to ...
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1answer
1k views

Setting up Splunk/IronPort WSA

I recently stumbled across Splunk 4 (by way of an advert on this very site...) and found that it had an "App" that's designed to work with Cisco IronPort WebSecurity and E-Mail Appliances! That's ...
0
votes
1answer
31 views

Monitoring SNMP network interfaces on zabbix

Some network devices have a lot of interfaces to be monitored, Is there way for zabbix to index them and create items and graph for each interface automatically(not the right word)? I hear that ...
3
votes
3answers
17k views

How can I configure multiple default gateways on a CISCO Router?

Does any one knows a way to configure a cisco router with multiple gateways - multiple gateways of last resort? I've tried adding a gateway of last resort twice (with different metric) but only one ...
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2answers
3k views

How can I configure my network to allow bi-directional traffic between two lans?

Here's my current setup: (and it may require reworking): 2 LAN networks - 192.168.41.0, 192.168.21.0 2 Public IP's (they are assigned to us by specifying MAC Addresses - not subnetted) 24.53.x.x,...
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vote
1answer
37 views

Etherchannel / Inter-vlan issue

I have two Cisco 3850 switches (3850-1, 3850-2). I have VLANs 1,2,3,4,5 setup (192.168.1.0 - 192.168.5.0) using built in DHCP from 3850-1. 3850-1 is 192.168.1.3 3850-2 is 192.168.1.4 I have an ...
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2answers
1k views

Problems with getting both ingress and egress Netflow data

I have a Cisco 6500 switch that I want to capture all vlan8 traffic incoming and outgoing. I talked with my networking group and they set me up with the following commands. (May not be exact commands ...
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2answers
17 views

Bad mask /30 for address in Router Cisco (Packet Tracer) [duplicate]

HQ>enable Password: HQ#config terminal Enter configuration commands, one per line. End with CNTL/Z. HQ(config)#int s0/0 HQ(config-if)#ip add 209.165.201.3 255.255.255.252 Bad mask /30 for ...
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votes
1answer
1k views

Cisco 887VA Port Forwarding Not Working

I have a Cisco 887VA connected to our BT Business Broadband line. We also have another modem on a seperate connection which also handles our DHCP. The Cisco is plugged into our network switch, as is ...
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0answers
10 views

Changing hostname on a Cisco spa504g (FreePBX)

Anyone know how to change the hostname using FreePBX's commercial module End Point Manager on a cisco spa504g? I keep coming up short handed... Any help would be extremely appreciated.
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0answers
27 views

Slow NIC Speed on 2 Dell Servers

I’m getting very slow NIC speed (both LAN & WAN) on two Dell R610 servers. I have multiple other R610's with same specs, connected to the same Cisco 3750 switch and they're fine. I've done a lot ...
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2answers
2k views

Unable to PPTP through NAT on Cisco 881

I'm trying to connect to a PPTP server which is sat behind a Cisco 881 NAT router. The server is running Ubuntu Server 12.04 and is running Poptop pptpd as the PPTP daemon listening for connections. ...
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4answers
6k views

new Catalyst 2950 switch, no console or telnet CLI access

I am connecting a brand-new Catalyst 2950 switch to my LAN. It is on with green lights, and frames successfully go in and out the ports. The switch is on the same LAN has my host PC, and pings are ...
8
votes
1answer
15k views

Authenticate Linux sshd with TACACS+ (Cisco ACS)

Our network engineering team uses multiple linux servers for syslog collection, configuration backups, tftp, etc... We want to use TACACS+ on a Cisco ACS machine as our central authentication server ...
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0answers
16 views

How to enable information logging for all traffic - Cisco ASA

How do I enable information logging for all traffic in the Cisco ASA. I do not want to manually go to each rule and set the logging to informational (right now on default)? Also if I do this will ...
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0answers
28 views

Cisco 6500 - spike of DHCP_SNOOPING-4-QUEUE_FULL causing clients to lose connectivity

Today we had an incident that started with people complaining they couldn't connect to our wifi after coming back from lunch. Long story short, clients were no longer able to get IP addresses from ...
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1answer
1k views

Find client IP connected to VLAN from Cisco Catalyst 3600 by SNMP

I would like to get using of course SNMP, list of client IPs connected to VLAN in Cisco Catalyst 3600. So far, I have pseudo-algorithm made by me which obtains those IP addresses, but I am not sure ...
0
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1answer
2k views

VLAN & WiFi & DHCP with Cisco SG200

I'm trying to configure a small business network with one Cisco SG200-26, a Linux server and two TP-Link TL-WA801ND. I have set up the APs to have two different SSIDs, Public and Staff, and have ...
3
votes
1answer
2k views

Remote VPN - two-factor authentication with Cisco ASA + OpenLDAP

Can somebody give me a pathway (or link to the documentation / how to) to implement two-factor authentication (LDAP password + certificate) on Cisco ASA for RemoteVPN (with Anyconnect client)? ...
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votes
1answer
28 views

What kind of emulator can i use to learn Cisco Router Configuration? [closed]

I am going through my CCNA materials. I came across this one topic called configuring the router. Now, i don't have a Cisco Router but i still want to go through the commands and see the results live. ...
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0answers
6 views

Querying counters and interface name from cisco router is getting wrong results

using cisco switches, I am trying to connect the output from ifHCInOctets to the names of the interfaces via ifName and comparing it to show interfaces counter. I use the last number behind the ...
0
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2answers
35 views

Why is my Cisco 1941 not able to perform higher than 60Mbps consistently?

My office has a 150Mbps synchronous fiber, burstable to 250Mbps. Based on a document I found, my Cisco 1941 is capable of 153Mbps MAX: http://www.cisco.com/web/partners/downloads/765/tools/...
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vote
1answer
20 views

Cisco ASA: Part of the traffic via VPN is blocked

We inherited the management of an ASA 5520 running IOS 8.2(3) from a previous company, and now we are switching the connectivity to a VPN from a LAN link directly connected to one of ASA interfaces. ...
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0answers
37 views

Cannot ping wan gateway from cisco router

We recently had a new Ethernet connection installed and were given the WAN IP address, subnet mask and gateway needed for the connection e.g. IP 1.2.3.50 MASK /30 GW 1.2.3.49 When I put ...
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0answers
28 views

Cisco ASA VPN DH Groups for AWS VPC

AWS provides a neat function in its VPC that exposes a VPN service. I've configured this, and confirmed that it functions. Our customer is using a Cisco 5500 Series ASA appliance to connect to the ...
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3answers
2k views

Configure hairpinning on Cisco 871 IOS 12.4(15)T4?

I'm a newbie to IOS. In the past I've used consumer routers which seem to have the smarts to automatically route requests to internal hosts addressed by their public name back to the internal network. ...
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4answers
2k views

How can I automate the deployment of cisco IOS upgrades?

I was googling this and didn't turn up anything. If you have 100 some odd Cisco routers and switches how do you push out new IOS releases? Certain not by manually logging into every device. The only ...
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votes
1answer
44 views

Can I use a HBA to connect to Internet

I recently got a QLogic QLE2460 network card which seems to be a Host Bus Adapter. Can I somehow use it as a network interface (NIC) between my server/workstation and a Cisco Catalyst switch with ...
1
vote
1answer
6k views

Cisco dual static default routes to WAN

I am trying to setup Dual WAN in our office because our single VDSL modem couldnt handle our web traffic any longer. So we now have two VDSL modems (Sagecom FAST2864) they cant go into bridge mode ...
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2answers
3k views

Cisco 881w AP factory reset

If I want to return to the factory IOS and configurations of the AP only, I must issue this command: service-module wlan-ap0 reset default-config right? But which IOS is going to replace the ...
2
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3answers
4k views

massive packet loss when servers are brought online

This is a continuation of ubuntu server, ssh, write failed: broken pipe . I'm starting a new question, because I don't believe the issue is isolated to ssh/ubuntu. I've got two brand new servers (...
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0answers
9 views

Convert 8.3+ NAT to 8.2 Cisco ASA

The following NAT rule setup works on 8.3+: nat (inside,outside) source static inside_net inside_net destination static vpn_net vpn_net no-proxy-arp route-lookup However, trying the same on 8.2(5) ...