Switching

I have a Cisco 7206 that has EIGRP configued as well as Multicast. Every once in a while I see this error in the log: Apr 20 07:06:16.415 EDT: %PIM-5-NBRCHG: neighbor 10.0.0.1 DOWN on interface GigabitEthernet0/1 non DR Apr 20 07:06:29.843 EDT: %PIM-...

HiI had a switch go down recently. In replacing said switch i dropped the config onto the replacement, copied running config to start and reloaded.However, when it had booted back up, i was unable to connect back onto the switch via the console cable...

I currently have a 2960 switch configured with 2 VLANs. VLAN 1 and VLAN 104. Each VLAN has it's own separate DHCP server serving addresses for it's VLAN. I was under the impression that the DHCP broadcast would not travel between VLANs, however it ap...

Hi allI want to setup hsrp on my dist switchesshould I put the timers to subseconds for example: standby 1 timers msec 200 msec 1000 ?Also, can I use the same standyby group for each vlanso vlan 1standby 1 ip x.x.x.xvlan 2 standby 1 ip x.x.x.x etc ?...

Hi,one of our sites has 2 switches acting as core with hsrp enabled.Suddenly, last 2 weeks i have noticed that there are some strange messages on the 2nd switch, which is the standby one.These messages dont appear on primary switch.I have attached th...

I want to know whether we can install a 10G linecard on the supervisor slot of a catalyst 6509E switch...As all the other slots are utilized with different linecards and service modules we want to utilize the supervisor slot which is free....can anyo...

i have a 6500 boxes in my data center on distribution and core,and they r connected by fibre optic cable via Xenpak 10 gigabit interface as a layer 3 running ospf,when am trying to connect fibre cable MM OM2 on the both the ports with a redundacy to ...

Hi,I need to learn STP and all the version for my ICND1 and ICND2 (CCNA exams), although I have read all about it and had a walkthrough on my courses, I think I need to practise it more.All I have is a Cisco 3550, 2950, Cisco 837 and 877 and some oth...

I've got a LAN with a pfsense Firewall / DHCP server. I used to use a WRT54G for wireless access to the network but it recently fried. I purchased a WRVS4400n to replace it but I'm having trouble configuring it to work like my old WRT54G. Here's w...

We are running an etherchannel link between two 4006 switches with Sup IV engines on 12.2.25EWA8 code. Periodically we receive duplicate hsrp ip addresses for the real ip on the SVI's. We triple checked the hsrp configurations (no errors), and conf...

Beginner ACL/school issue...Attached is my topology....I want to prevent the 10.1.1.0 network from being able to reachthe 10.3.1.0 network, this I had accomplished in the ACL. However I though I should be able to ping from the R3 network over to the...

Hi all, our company just signed up for a T3 account from ATT, they gave us an IP block. Also leasing a 2800 series as well, our old network was in a public IP range, we've never done this before so we wanted to see what the best scenario for migratin...