We upgraded our 4510 from 3.2.1 to 3.4.2 over the weekend. The switch slots are fully populated with dual supervisors and a mixture of PoE and non-PoE 48 port copper gigabit modules. Now, all the unused ports have their link lights lit up in orange...
I want to extend my LAN by connecting a 2960 to my in place 4510. Can this be done as a simple daisy chain through one of the existing ports,(say Gi8/48) connected to an uplink port on the 2960? Or do I need to use the uplink port on the supervisor o...
Hi!stub is a area in which AS External LSAs are not flooded, in this case ABRs at the stub area use LSAs(network summary) to advertise a single defualt router(destination 0.0.0.0) into the area.In this case what is the function of defualt router? wha...
I had the following alert reporting non-stop. No ports are using VLAN 513 on both my redundant cores or my 3 access switches, 1 per floor. 2nd floor reporting total network outage (LAN and WLAN) about once every 4 or 5 days for about 2 hours before ...
Hi,I scheduled a maintenance to upgrade our asr1006 router the other day. When I reloaded it after uploading the image it was down for about 7 minutes or so. It got me thinking. Could I have failed over the R1 then, reloaded R0 then, failed back to R...
Hello everyone. I managed to snag a great deal on a 2851 a few months back. Now I'm getting ready to setup my lab, and (thanks to Bryant and a couple of other sources) I've learned about terminal access servers. Since I am using the 2851 as my home r...
I have a FEX connected to dual 5Ks. E1 & 2 connected to one switch, and E3 connected to the other configured in a VPC. However all the links on the FEX shows solid yellow status. They're all copper.I decided to put a fiber SFP in the FEX to see if I ...
Hello every one,I am considering ASR 1002 as WAN router and WAVE 7541 as WAAS device.I have to connect 7541 to 1002 on a 10 Gig port. I understand SPA-1X10GE-L-V2 can be used if the connectivity is LAN and SPA-1X10GE-WL-V2 should be used if it LAN/...
Hello,I just need a refresher here, I have a few PC plugged in to a switch and when I do show mac-address-table some ports are dynamic and some are static, why are some static?I have this configured on all ports: switchport mode access switchport p...
Hi guys . I have 4 voice vlans and I want to run 4 DHCP pools on 1 Core switch Catalyst 4506 , and questions :1 What is the maximum amount of the DHCP servers I can run on it ? 2 How many DHCP options on the 1 DHCP pools I can setup (options 242, 176...
In my LAN Network, 3750 core and 2960 access switches, in the same VLAN communication the latency is 1ms most of the time in the middle till raise to 2ms to 23 ms.Why this happens? In the same switch connected PC as getting more latency.
Here is a problem.I want to communicate between one OSPF and one EIGRP network.I enabled redistribution in the border routers.But they are unable to communicate Here is the link of the sample filehttp://www.mediafire.com/download/48g4cjpqdhtfhlz/redi...
Hello,I've had DHCP snooping running for a few days now a a remote site and can see the dhcp snooping database is populated. I have turned on DAI for their vlan and added a filter list for static IPs for things like printers. However I'm getting a ...
