Other Network Architecture Subjects

Has anyone tried trunking a single VLAN with a mix of ISL & dot1Q trunks? I have a customer with 1900's, 3500's, and 3Com switches. The 3Com's only do dot1Q, the 1900's only do ISL. Since trunking is specified on a per port basis, I would think it...

I have configured the Cat4006 with 5 vlans on the Sup II and configured the layer 3 module in both the ether channel and trunking methods shown in Cisco's example but I still can not ping accross the router to the sup II eng managment interface. Is ...

A customer has a Catalyst 3524 XL with 3 "administrative" VLANs (let's call them Red,Blue,Green) and 2 multi-VLAN ports which both belong to VLANs Red,Blue and Green. * On each multi-VLAN port an IP router is connected.* On each VLAN port a station o...

Hello:I'm getting contradictory information regarding the possibility of sharing one 256Kbps Internet access link between two 2611 routers. Some people tell me it's possible, other say it's a "no go". The challenge is: I want to have two 2611 routers...

We have 8 x 3512XL + 2 x 3524XL switches, all running C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5.2)XU. We also have a 4006 switch.We need to confirm if the Cisco IOS HTTP Server Query Vulnerability applies to these switches. As the 4006 switc...

can somebody decipher the error code: %SYS-4-P2_WARN:1/Astro(6/6)-timeout is persisting. Thanks Richard

We are reselling the LEC's DSL service in our area. We connect to the LEC via a ATM T3 interface. I'm looking for a solution that will let me use PPPoE for authentication for my dynamic IP customers. I found scattered information on the cisco webs...

Hi, there,I have some confusion on TrBRF's vlan ID and TrCRF's vlan ID. say I want to configure a vlan 10, so the TrCRF's vlan ID must be 10, but how about the TrBRF's vlan ID? what is their relationship?Btw, any idea for the token ring part of CCIE ...

I have a 3Com Netbuilder II with a 4-port WAN card running Version 11.1.0.02 attempting to connect to a Cisco 1720 runing 12.1 software over frame relay. The Interface and Protocols are up on the s0 and S0.1 interfaces. On the Netbuilder II the Por...

Hi,I'm trying to access sevaral Cisco 4006 switch bridge table using SNMP OID: iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).dot1dBridge(17).dot1dTp(4).dot1dTpFdbTable(3).dot1dTpFdbEntry(1)Unfortunately, I always get ports as 0. I checked the acc...

I Have two 804 connected with ISDNit work fine but only one chanel is up (64k)even though all my sh isdn status or sh running config are fine. I am in Canada we use ni.telephone company say that my spid are the right oneNeither of the router pick up ...

Hi All,I have a 7200 with a T1 to the internet on serial interface. The internal LAN is connected to a Fast Ethernet card on the 7200. How do I mirror the traffic on the T1 serial interface to another ethernet interface on the 7200?Thanks,Chris

We have had 2 instances of users mistakenly hard coding in the router IP address into there computer which subsequently takes down the router. Is there anyway to avoid this? We have tossed around the idea of turning on port security campus wide. Is t...

Anyone out there has any good sample configuration of separating Inbound and outbound traffic on 3640 router using two diff. slot modules.Trying to setup incoming and outgoing traffic separate.Thanks.

Dears,Can someone say me if the IOS permitting CDP over ATM is already downloadable from web site Cisco ?Which is the version of this IOS ?Yours sincerely,Olivier MONTEE.