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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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20 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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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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1answer
21 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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5 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 ...
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2answers
33 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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1answer
18 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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18 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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34 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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1answer
42 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 ...
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8 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) ...
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12 views

Route between E1 devices

I have this topology and I need to configure routing between my CISCO 2911 routers to connect my devices, that are using E1 without any timeslots separation.
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23 views

More Management VLANS for a switch

I created a management interface in vlan 99 to telnet the switch (2900 series). I also wanted to configure another management interface for the same switch from the computer belongs to the different ...
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1answer
38 views

Two subnets, two DHCP servers. How to stop both DHCP servers from responding to requests from both networks?

I have an environment with two subnets 192.168.1.x/24 and 192.168.2.x/24 Each subnet/network has a Cisco RV082 router as the gateway and a domain controller in each environment that also has a DHCP ...
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35 views

Cisco ASA 5505 Issue - “Flags SYN on interface..”

I've been trying to remotely configure a Cisco ASA 5505 in front of a dedicated server hosted with OVH. Unfortunately my qualifications and even experience very rarely touched on Firewalls. However I ...
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1answer
38 views

IPv6 Subnet Delegation

I'm a bit confused on how to calculate IPv6 numbering. I have a /32 now and a VPN client that wants 6 x /48 from that /32. Could someone please simplify on how I can determine the points of the /32 ...
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1answer
16 views

Packet don't flow over Cisco VPDN (PPP) when using RADIUS

I've extensively searched for everything I can think of regarding this subject online - I hope I'm just missing the obvious. This has been bugging me every evening for 2 weeks now. (It's a Cisco ...
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14 views

cisco switch: port-security mac address sticky with an access point?

how can I secure a switchport where an access point is connected? Of course I can't use switchport port-security mac-address sticky otherwise my WLAN clients would not be able to connect. Or am I ...
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19 views

Two users behind same NAT (PSK or EAP) - strongswan

I have a strongswan implementation and am running into an issue where when there are two users behind the same NAT, the second one "kicks off" the first one. I was able to resolve the issue using: ...
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14 views

How can I set SNTP to my existing CISCO SG 300 switch network?

I have a CISCO SG 300 Switch network. The time on those switches resets every time due to power failure. How can i maintain SNTP in my network? Can I use a CISCO SG300 as SNTP server? regards, ...
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10 views

Logging NAT translation errors on Cisco IOS router? (port scanning, bogus 'established' packets)

We have a NAT setup with port mappings to internal Webservers and DNS servers. If someone tries to connect, say, to port 22 (SSH), then those packets are dropped simply because there is no static NAT ...
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1answer
54 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 ...
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2answers
52 views

“route” sub-command does not exits in “ip” command on Cisco 2960-S

I am new to cisco. I'm running a Cisco 2960-S and defined several VLAN on it. I like to use SVI feature and set 192.168.1.254 ip address for interface VLAN 1, 192.168.2.254 for interface VLAN 2 and so ...
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CISCO ISE Identity Management Group assignment

The Scenario in Brief Three types of devices can exist on our wireless networks: AD joined, corporate owned (Windows PC/Laptop/Surface) Non-AD Joined, corporate owned (iPad/Chromebook and their ...
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1answer
32 views

Rate Limit VLAN interface | Cisco Nexus

How to do QoS in cisco nexus for Rate limit. In cisco Routers , we will be creating a policy map and calling it in service_policy in VLAN Interface Ex: Policy-map Policy_2Mbps class class-default ...
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1answer
39 views

Cisco 887VA router ADSL configuration

I am attempting to setup a Cisco 887VA to connect out to the internet via a basic ADSL connection. I have configured it to the best of my ability but its the first one I've ever done and I think I may ...
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1answer
42 views

DHCP on Meraki MX64 or Windows Server 2012R2?

I'm new to the Cisco world and I would like some advises. Currently I'm configuring a Windows Server for a small bussiness (less then 50 users). Normally the Windows server would have the AD, DNS and ...
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1answer
27 views

How to run a separate internet connection between two switches over fiber

At my office we currently have a data center where our corporate connection runs from a core switch over a fiber connection to a closet with a few switches in it on the other side of the building. I ...
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54 views

How to allow authenticated User to relay on a Cisco ESA C170 (iron port)

I'am trying to configure my ESA C170 and all works as expected. But now I want to add support for relay function for authed external user. I add a SMTP Auth Profile against LDAP that works. Next Step ...
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1answer
23 views

Cisco 1921, SMTP, and NAT on multiple Exchange Servers

In a LAN environment, I have 3 exchange servers that have been deployed for high availability and failover in case one of the 3 servers becomes unavailable. Currently, my NAT settings only send ...
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29 views

CISCO router VPN configuration

I have a site to site VPN connection configured between 2 offices. The remote site connects to the internet via the Head office. However, this has been configured to connect through a proxy server. ...
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19 views

GNS3 - Connecting Emulalated IOS to TWO PHYSICAL networks

I have a CISCO c3725 router on GNS3 connected to two different and separate unique LANs via the CLOUD/HOST icon, attaching each of the virtual CISCO c3725 to my computer's physical NIC (NIC 1 and NI2.)...
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16 views

Checking RadHuntGroup And Radgroupcheck to login specific NAS

I am actually setting up a FreeRADIUS Version 2.1.12, server that will manage authentication Users Cisco Switchs in company .. and i have one problem : I need to create some accounts that can be ...
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1answer
41 views

Cisco 3750G: Tagging and untagging traffic on a port

I have the following setup: [phone]-~-~-~-(port-10)[Cisco 3750](port-24=trunk)----[servers] I want the phone to talk only on vlan (say 1940), where-as Cisco switch to untag/tag its traffic, as goes ...
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1answer
17 views

How can I have one network card that allows traffic between two private networks?

This is a a question about a private network. I have two servers (Linux), srv1, srv2, each has one NIC. I have two switches (Cisco 3750), sw1, sw2 The servers are on two different subnets. srv1 is ...
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153 views

How come one of my switches is off by two minutes in spite of ntp?

I just noticed by pure chance that one of my Cisco 4500 switches has its clock going wrong: it is more than 2 minutes behind in spite of seemingly functional ntp. In my opinion, even a single second ...
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1answer
30 views

Port Forward on Cisco ASA 5512-X

i would to improve port forward from an external host to an internal network, on my ASA. The network and the host are on two different interfaces, the internal network is on the internal interface g0/...
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1answer
17 views

What is the exact Juniper and Cisco router per-packet balancing hash algorithm?

Due to JunOS and Cisco documentation there is ability to configure hashing algorithm choosing one of the next-hop from the several multiple equal-cost paths. There is information about fields that ...
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28 views

How to access LAN IP Addresses : Cisco VPN Client [closed]

I have successfully configured Cisco VPN Client and connected. And allow LAN Access. I don't know how to connect LAN IP Addresses. I was trying to connect with Remote desktop connection, it's asking ...
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33 views

Cisco asa 8.4 PAT with static NAT

I am trying to make sense of the changes that Cisco has made to NAT on ASA > v8.3. I have a network which is being PAT'd to the outside interface address, and want to add a static NAT from the outside ...
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1answer
48 views

Ip addressing for serial routing

I have the following packet tracer diagram: I have range of ip address : 10.0.0.0 - 10.0.255.255 I need to assign ip addresses from this range to the routers' serial interfaces as well as subnet ...
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20 views

Blocking / barring numbers on a Cisco SPA303 IP Phone

Is it possible to block numbers using the SPA303 Configuration tool accessible on the internal IP address? If not, how can we block specific numbers from coming through on our lines? Doesn't seem to ...
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1answer
37 views

Figuring out the most efficient use of an ip range

I am working with Packet Tracer atm and have 3 subnet plans : assigned(management(104users) staff(43 users) admin(35 users)). I have an ip address range of:38.191.0.0 and subnet mask of 255.255....
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2answers
42 views

Is this the proper way to utilize route-maps for intervlan routing?

screenshot of network map The network is pretty simple. Router-on-a-stick for nat/WAN access, Layer 3 switch for intervlan routing. Router: ip nat inside source list nated-nets interface ...
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49 views

Cisco ASA PBR and multiple ISPS for multiple SIP Providers

Have a question about policy based routing on my Cisco ASA 5515 running 9.5 and think despite it being available in this software version that I might be screwed. I have an asterisk PBX behind the ...
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1answer
26 views

If you switch an interface's vlan does it stop traffic?

I'm configuring a cisco catalyst switch and I want to change the vlan for the all of the ports on the switch away from the default vlan 1. I know how to change a vlan on an interface, I want to know ...
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2answers
56 views

Router doesn't allow loopback, can I use MS DNS to internally forward my .com to the local IP of the IIS server?

My websites are all on public IP x.x.x.110 My dev computers wan IP is x.x.x.111 From within the server, I can type my sites .com address into IE and it loads fine. But if I try them on my other ...
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1answer
27 views

Debian as VPN Server for Cisco ASR

I've to set up a Debian Server who should connected by a Cisco ASR via Side2Side VPN with a preshared key. Tried Open-VPN, but found out that both sides need Open-VPN. So the Cisco ASR is the VPN ...
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1answer
25 views

DHCP snooping on distribution layer stops cliens on access from getting ip address

Here is my topology: sw1(gi0/1 trusted port)->sw2(gi0/1 trusted port)->core-sw(gi0/1)->DHCP_server at the beginning i only configured sw1: ip dhcp snooping ip dhcp snooping vlan 18 int ...
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1answer
43 views

Operating Temperature of Cisco routers

I am managing a small server room containing different pieces of networking equipment e.g. cisco3900, paloalto appliance, pc routers, various switches. The issue is that our server room has been ...