Hello there,I'm trying to understand how spanning-tree works and i do understand that the link between switch 22 and switch 17 should have one port blocked by spanning tree. So far so good, but that link should choose its designated port based on...
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Forum Posts
Hi,Got a new 24port 2960 switch to add to our existing infrastructure.Not sure where to start from. Would copying from the existing config on couple of other switches be an option? Or does it have to be from scratch, beside giving a new address, etc?...
Resolved! access list between three interface
Hi,We have three SVI interfaces on our core switch and we do not want each of these interface hosts to talk to one another.SVI A : 10.10.5.0/24SVI B: 10.10.6.0/24SVI C: 10.10.7.0/24I believe, we should have acl's on each SVI's which deny one another ...
Resolved! Cisco WS-C2960G-24TC-L problem
Hello,I have a problem with Cisco WS-C2960G-24TC-L switch that after the power returns the switch has nothing appear at the console but the SYST LED is green (stable).what do the indication mean?Thanks
Resolved! Simple Multicast LAN
Hi AllEquipment: WS-C3750X-24T-SIOS: c3750e-universalk9-mz.152-1.E.binI am trying to setup iptv on a simple network but I am having issues with.Have attached my config!My server is connected to port 9 and a stb connected to port 10.My stb interface i...
Resolved! 3750 Switch Stack Configuration
Hello All,I am new to networking and I am learning switch stacking configuration.I am having following having issues.(Both switches are compatible to each other)show switch stack-ports summary" command showed the port status as "absent" (indicating n...
Hello All,I am new to networking and I am trying to learn switch stacking. I am having following issues.(Both switches are compatible to each other)."show switch stack-ports summary" command showed the port status as "absent" (indicating no cable det...
Hi Everyone,Client has cisco 2801 router connected to cisco 3550 switch and this switch 3550 died.Switch has no warranty.They bought new switch ASUS GX-D1241 V3 as replacemet for cisco switch.THey have DMVPN connection to head office.I am not physica...
I'm having some sporadic network issues (users sporadically losing network connectivity). I'm wondering if the problem is related to Mac flapping that has been occuring. Every floor's access switch (Catalyst 2960s) is connected to the core switches (...
Hello All,This is my first post so please bare with me as I am unsure of all the proper etiquette. I have a remote site which ties back into my network via a site to site VPN which travels across my ISP's cable modem (a 10Mbps link) and terminates at...
I need Hardware upgrade suggestion.We have currently Cisco Switch 6509 acting as Core and 7204VXR as edge router for WAN connectivity. These are fullfulling my current requirements for now but there are LAN / WAN expensions in neat future so I need t...
We have an 891 router at our resort but our internal private traffic and public wifi traffic are mixed (two wireless ap are providing the wireless). The boss wants to seperate out the internal private traffic. I felt I could do this with two vlans an...
Resolved! ASA 5520 install network Module
Hi AllI have one ASA 5520 Version 7.2(2)22 with vpn plus license, the question is if i could install a 4-port gigabit ethernet security services module without problems?here the license of my ASA 5520Licensed features for this platform:Maximum Physic...
Hello all,I am having a heck of a time with this implementation. Below you will find the topology I am trying to implement (and attached):I am working on the 3945E routers, ASA5520's and 3750X's for this inquiry.All routes show up in all routing tabl...
We are seeing high CPU utilizations in the access switches and local workstations are having problems. The switches and routers are not setup for IPv6. Workstations are configured with IPv6 and IPv4 enabled. A wireshark trace indicates a problem w...
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