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Multiple IPSec/GRE Tunnels on 2851

HI all, I am developing a network that required multiple GRE tunnels terminating on one router. I Have been told that the 2851 routers that we generally use may not be powerful enough to run the 5 tunnels that are required. I've been told that a 2900...

aaron.jay by • Level 1
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  • 2 replies
  • 0 Helpful votes

WLC bonjour setup, switch config

Wanted to ask about the switch component config for getting bonjour setup on a 2504 WLC.   The guides I have come across so far keep saying that the switch portion needs to have ip pim dense mode configured.  But, the switch I have only has ip base i...

Nexus 7K blocks UDP traffic on trunk

We have a server to server communication using custom UDP ports over a trunk port configured between the server farm switch and the core switch "Nexus 7k" Ping and TCP traffic is working fine, but the udp traffic is not, if we bypass the core and con...

When is the best time to use subnetting?

The question refers to a private network design not connected to the internet (using switches not hub). Does number of users or devices is one of the factors? If so, what range (in qty) that when exceeded is best recommended to do subnetting?

acgarcia by • Level 1
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  • 10 replies
  • 0 Helpful votes

Resolved! AS2511-RJ IOS Upgrade/Downgrade

Can someone please confirm the following link is the correct/compatible link to my router?  I'm practicing reverting IOS to a different version.  Additionally, what is a good way to ensure that I save the current version 12.2(46a).  Your help is appr...

Resolved! TCP/IP Layers

If I open a website for example www.cisco.com, how the traffic flows according to TCP/IP Layers and how the layers interact to each other to accomplish this task ?

Resolved! DCI to Interconnect three (3) Data Centers?

According to Cisco "Design and Configuration Guide: Best Practices for Virtual Virtual Port Channels (vPC) on Cisco Nexus 7000 Series Switches, Revised: June 2015", vPC DCI can be used to interconnect max 2 data centers. Why or how is this the case? ...

Resolved! Is my VTP FUBAR?

Long story short, 3 weeks ago I created a new vlan on my core (6509) Vlan500.  Today as I was troubleshooting a connectivity issue with my tenant I noticed that the vlan is on my switches (dual homed 5548s), but it is no longer on the core.  I tried ...

Resolved! IP Routing Tables with OSPF Troubleshoot

Hi all, The scenario attached works fine with OSPFv2 activated in R1, R2 and R4 and advertising all the networks. Then I decided to disable OSPF in R4 and introduce a static route in R2 as follows: Router2# ip route 172.16.10.0 255.255.255.0 10.1....

Resolved! Cisco Static Route

Hello All, One of my clients have multiple branches and all their resources are in the head office data center.  They have double router for VPN and Internet. for the Internet router, we are using a small dlink router, but now they want to change it...

Packet Capture on Cisco ASA

Hi All Im looking to see what ports my devices are talking on outbound (the internet). I wanted to run a Packet capture for this I created an object-group rfc1918 access-list CAP extended permit ip object-group rfc1918 any capture CAPIN access-l...

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