One other thing I forgot...you'll need to match your SVI to the VLAN on the router. For 10.1.1.1/10.1.1.2 to communicate, 10.1.1.2 will need to be assigned to an SVI for VLAN 120, not VLAN 99, based on your router config.
Chad >________________________________ > From: Chad Uretsky <[email protected]> >To: Sean James Gealon <[email protected]>; IPExpert Online ><[email protected]> >Sent: Thursday, June 21, 2012 10:21 AM >Subject: Re: [OSL | CCIE_RS] Sub-interface problem > >Sean, > >The interface on the switch needs to be configured as an 802.1q trunk in order >for this to work. Have you verified that the switch port is trunking? It >sounds like you have it configured as an access port. Also, as routers don't >run DTP, you will have to manually set the switch port in trunk mode. > > >Kind regards, >Chad Uretsky > > > > >>________________________________ >> From: Sean James Gealon <[email protected]> >>To: IPExpert Online <[email protected]> >>Sent: Thursday, June 21, 2012 10:10 AM >>Subject: [OSL | CCIE_RS] Sub-interface problem >> >>Hi, >> >> I just want to ask if anyone had experience on Fastethernet sub-interface >>problem? >> >> I have fa0/0 which has a configuration of: >> >> interface FastEthernet0/0 >> no ip address >> duplex auto >> speed auto >>! >>interface FastEthernet0/0.77 >> encapsulation dot1Q 77 >> ip address 20.1.1.1 255.255.255.0 >>! >>interface FastEthernet0/0.120 >> encapsulation dot1Q 120 >> ip address 10.1.1.1 255.255.255.0 >> >> ---------------- >> >>Router(config)#do sh ip int br >>Interface IP-Address OK? Method Status >>Protocol >>FastEthernet0/0 unassigned YES TFTP up >>up >>FastEthernet0/0.77 20.1.1.1 YES NVRAM up up >> >>FastEthernet0/0.120 10.1.1.1 YES manual up >>up >> >> >>As you can see on the output everything is running fine, interfaces are up. >>Now on the fa0/0.120 (10.1.1.1) it is connected to a switch f0/1. >>on the switch also it is configured with vlan 99 with ip address of 10.1.1.2 >> >>when I try to ping from router to switch using the fa0/0.120 (10.1.1.1) the >>output is down. >>but when I configure the ip address 10.1.1.1 of the router into the f0/0 >>interface (not the sub-interface) >>the ping is successful. >> >> >> Any advice? >>_______________________________________________ >>For more information regarding industry leading CCIE Lab training, please >>visit www.ipexpert.com >> >>Are you a CCNP or CCIE and looking for a job? Check out >>www.PlatinumPlacement.com >> >>http://onlinestudylist.com/mailman/listinfo/ccie_rs >> >> >> >_______________________________________________ >For more information regarding industry leading CCIE Lab training, please >visit www.ipexpert.com > >Are you a CCNP or CCIE and looking for a job? Check out >www.PlatinumPlacement.com > >http://onlinestudylist.com/mailman/listinfo/ccie_rs > > > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
