Switching

Hello all,A server on vlan 51 will only issue IP addresses on vlan 51.  The subinterfaces on the router have the command ip helper-addess with the IP address of the DHCP server.  From the switch I can ping the DHCP server and ping all subnets under t...

Dear All,Can some one explain main difference b/w Cisco IOS Versions 12.0 and 15.0?Regards,Ezra..

Router R1 has two fast links and one slow linkThere is a default 0/0 route out of slow linkThere is a route map that uses fast link 1, then fast link 2route-map TEST permit 10 set ip next-hop verify-availability 10.0.0.4 10 track 1 set ip next-hop ...

Hello All,I have a simple design question. I have been asked to change a ring configuration to a star topology with a collapsed core/distribution layer.The customer does not have the budget for fiber layer 3 switches so I am wondering if anyone has e...

hello guys,I'm testing the release 12.2 (55) a switch cisco 2960 POE48, and I was doing a test of the loop and found something funny:when I connect to two phones cisco on the switch and then connect a phone to the other through a hub, switch, do not ...

Hi.Can anyone with a 2911 isr confirm what interface numbers are given to a 9esw when placed in the far left hwic slots (hwic slot 2+3).I need to build some configs but its going to be a few more weeks before the kit arrives.Thanks!

I urgently want to replace a faulty line card WS-X6748-SFP with a new one. The switch concern is a 5609-V-E operating in Virtual Switching System mode.How long do you suggest the down time will be?

Hi,I have a strange problem with hostflapping between directly connected local port and port-channel to other switch where the same router is conneted via second interface.Setup is as follows:SW1 (Catalyst 4506) <--> Router 2851 <--> SW2 (Catalyst 45...

Well in ICND2 book there is a line written "a single subnet option has some deficiencies when a network is a partial mesh".I want to know the deficiencies.Thnx..

Hi, I need to change Cisco MDS 9124, but I got this problem when I attach the configuration in the new equipment: (config-fcid-db)# vsan 1 wwn 10:00:00:00:c9:cc:7f:55 fcid  0x911600 dynamicError: Invalid FCIDs.I got  Error: Invalid FCIDs., Do I need ...

Hi Guys,I have two routers - R1 - Area 0 & Area 144R2 - Area 144There is a trunk between these routers - switchport trunk native vlan 100switchport trunk allowed vlan 97,100,210,220They share a neighborship on VLAN 100. (10.207.144.0/24)Now when R1 s...

Hi All!This is my problem: we have two 3560 switches on the network, the first is the command switch, the second is teh standby switch. They are many vlans, and the inter-vlan routing is enabled. there are 10+ different switchesn in the network, and ...