Other Network Architecture Subjects

We have (2) Catalyst 4ks that have a Sup II Engine, running ver 6.2(1a) and a Catalyst L3 Switch/Router blade running ver 12.0(18)5w(22B). These Cat4K's are acting as VTP servers, running Vlan 1 as our management Vlan and have about (7) additional...

I have an isl link between a cayalyst 2900 and a cisco 7200 and i see crc errors in the catalyst but not in the router.

I have a huge running config in a 7206vxr router (15,000 line long for the TN3270-server PU/LU config.) The startup-config is very basic with just enough commands to boot up and then it does a "boot network ftp......." to get the full running config...

I have a 2600 series router with 2 built-in ethernet ports. When I loaded a new flash, I now no longer have both ethernet port present. I only have 1, and remains in shutdown mode no matter how many times I do the (no shut command). Any Ideas?????...

Hello !Could you please help meHow severe is the situation if our catalyst 1900 reports 1-2 dot1dTpLearnedEntryDiscards in second ?Could this be a reason for intermittent problem in printing of filemaker-services in appletalk ?Any help will be appre...

I want to use VLAN 104 instead of 1 for the NATIVE VLAN. Do I need to specify on both connected switches the new VLAN on the turnk port? For example: Access Switchset vlan 104 2/49-50set trunk 2/49 on dot1q 1,104,337 set interface sc0 104 IP_ADDR...

Is it possible to configure a Catalyst (5xxx or 29xx) for sending syslog messages if a specific ethernet port goes down. Currently i receive a message for every port which changes the status.This is not interesting if a workstation is connected to th...

We have a customer who must change his DHCP Server from MS-DHCP to Cisco Network Registrar. MS-DHCP is configured with several scopes (every branch office has a separate subnet). Ale scopes are filled in with reservations (MAC to IP) because the cust...

I'm trying to set up a point-to-point T1 and I get the same alarm on both ends of the T1. What am I doing wrong? Two different routers. . I do have the VWIC set with a channel group of timeslots 1-24 and a speed of 64k. The LEC says they can loop ...

I have a customer that has NCR ATM cash machines, the customer is using Burroughs modems hooked up to Motorola vanguard routers using the Poll/select protocol. My question is can get rid of the Motorola routers and substitute a comparable Cisco rout...

Hi,My office in Singapore has a Cisco 760 router connected to SAP network via an ISDN line. A few months ago, the local telephone format in Singapore was changed. An additional number, which is, 6, is added to all existing telephone numbers. I have s...

A customer of mine is using cable modems (uBR095) to connect two sites over the Internet. The connection works.Now he wants to route Apple Talk Protocols over this link.Questions:- is this possible and where do I find a config example- if additional ...

Isdn basic rate interface wont show down in the sh int bri0 command, when cable is physically disconnected from the port. Bri0 Line up (Spoofing), line protocol up (spoofing). Neither will change to a down state.

If I didn't want to use the me1 nor sl0 interface for addressing.....is the SC0 interface pretty much my only option left for management addressing? I can't telnet to it from a workstation because it is an in-band interface versus out-of-band like t...

I understand that an ABR will use a range of networks with a summary statement. I am unclear at this point how to do the summarization to come out with the right decimal number based on the bit patterns...Please help...thanks