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DHCP Across a Trunk

Hi everyone,I am having trouble getting DHCP to work across a trunk port. I have configured DHCP pools for voice and data on a Cisco 2811 router. I have on of the routers FastEthernet 1/3 ports connected to a port 0/23 on a Cisco 2960 switch. On t...

STP advice/clarification

Hi allIve got a question re STP, ive attached a diagram of the current setup and along with a text file which shows the STP output for VLAN 40 from SW3 and SW4 My questions are: 1) for all vlans in the netwrk SW1 is the root, however only for VLAN 40...

SOL10 by • Level 1
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  • 6 replies
  • 0 Helpful votes

ERSPAN without Cat65K Sup3B

I would like to SPAN some VoIP calls from a distant site to a centralised voice recording facility. However, the only supported solution I can see is to buy a Cat65K with Sup3B, or an ASR1000, both of which are too expensive. Has anyone managed to ge...

router question

Dear sir, I have cisco 1841 router with HWIC-4ETH module.Now one isp is terminated(1mb)on that router now i taken one nore 2mb for data .Now using HWIC-4eth cord shell i terminate that isp also On that router.It will work or not .If it will work how ...

Trunking IBM Blade Center to Cat 6513

Hello all, we are trying to properly trunk our IBM blade Center to our 6513, the blade center has the cisco ethernet switch mod. The problems is that in our production network be do not route vlan 1, and on the cisco module vlan 1 is the switch's ip ...

TFTP,BOOTP not working.

i have a new router on the network to download config from another router setup as TFTP, DHCP server and DNS.The new router is R1 with blank config connected to R3. R3 setup with ip helper-address to R2. R2 is the TFTP server, DNS and DHCP server.R2 ...

861-W configuration

I'm having a heck of a time configuring an 861-W ISR. All I'm trying to do is configure it for basic internet access for 1 hardwired PC and 1 Wirless desktop. Does anyone have a sample configuration or point me to one for this type of setup? Below...

DHCP relay

We have two different subnets separated by a router. Trouble is company has an old router, 2620 doesn't support VLAN's, so I just implemented two different subnet ranges, and secondary address on our one horse one ethernet port router, lol. Now clie...

Resolved! 6509 arp issue

I have a 6509 running native IOS 12.2 and for some reason the arp table is almost empty. I also have a couple of 7206 routers on the same network (connected to the 6509) that have a full arp table like I expect to see on my switch. This is the first ...

Resolved! Changing management vlan on 3750 switch

All,My 3750 switch has about 5 subnets on it, and they are all in VLAN 1. I'm in the process of moving devices to different vlans, but it's not even going to get started good until after January. (It's our busy season.)Is there a quick way that I can...

Resolved! Vlan 1 question

We have recently migrated our management vlan off vlan 1, to a new dedicated vlan. Our network consists of 2 6500 at the core, and the rest 3560, snd 3548 all running L2. Some of the switches have vlan 1 admin down, and some admin up, is it necessa...

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