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Hi guys, I'm just wondering as I've to do this in the coming days is there a particular procedure in upgrading the IOS on a 3750 Stack? Do I have to upgrade the IOS on all Switches in the Stack or just the Master? Thanks, Paul Paul Kilcoyne B. Eng. Innealtóir/ Engineer http://www.pknetworks.ie

Hi, I'm having a problem with my 5550 whereby DNS queries from a pc on the lan is being blocked eventhough I've all IP traffic allowed from the lan. Here's my alarm: 172.16.30.x 208.67.220.220 Deny inbound UDP from 172.16.30.x/57671 to 208.67.220.220/53 due to DNS Query Any ideas? Thanks...

Hi again, is it possible to do static dhcp on a cisco switch? I found a document here: http://www.cisco.com/en/US/docs/ios/12_3t/12_3t11/feature/guide/gtdhcpsm.html#wp1060281 But I don't have the "origin" option within my DHCP configuration. Is there any other way of doing this? Thanks...

Hi there, I have a stack of four WS-C3750-48PS-S Switches on the user lan. I have one WS-C3750G-48TS-S that was assigned to training that now needs to join the user lan. Is it possible or even advisable to add a WS-C3750G-48TS-S to the current stack?? Thanks, Paul Kilcoyne B. Eng...

Hi, I have a newly installed ASA behind our outer firewall, I want to be able to access it from the Internet via the ASDM java programme. What port would I have to forward to allow ASDM access? Thanks, Paul Paul Kilcoyne B. Eng. Innealtóir/ Engineer http://www.pknetworks.ie

Guys, just wondering is this possible with a Cisco Router or do I need a specialized device? A customer has three ADSL lines into their office from different ISPs and they'd like to be able to use all three for internet access on their LAN. Is it possible somehow to bond all three lines so it...

Guys, having difficulty receiving OSPF routes from an extreme switch on my Cisco 4507R. I have an ehterchannel between the two switches. They have formed an ospf neighbourship. On Extreme Switch can see routes advertised from Cisco. On Cisco Switch CANNOT see routes advertised from Extreme...

Guys, just a problem I have with understanding/ implementing OSPF. I've a 3845 router with a fibre uplink on gi 0/0/0 to a 4507R Switch. The switch has 9 vlans with their own subnets. For the Router to see those vlan subnets do I need to issue the command on the 4507R: redistribute connected...

Hey guys, I'm just wondering how can I enable my cisco account so that I can download IOS images for Routers and Switches? I've got my ccna. Thanks, Paul Paul Kilcoyne B. Eng. Innealtóir/ Engineer http://www.pknetworks.ie

Guys, got a wee issue with a 3845 and an NM-T3/E3 module. I've just taken an old NM-T3/E3 module from an old 3845 and put it into a brand new 3845. When it comes to configuring the NM-T3/E3 interface I don't get the option for "serial". Is there any obvious reason for this? I know the card is...

Guys, I've a 3750-E Series PoE-48 switch, I've put the wrong IOS on it and it keeps rebooting. I've tried to issue the Ctrl-Break command but it does nothing. Anyone out there know how to recover from this? Many thanks, Paul Paul Kilcoyne B. Eng. Innealtóir/ Engineer http://www.pknetworks.ie

Guys, I've a 3845 Router and I've noticed that it's getting it's IOS image only from the external Flash Card in the slot. If I do a dir flash: it shows the image on the external flash card. This posses a security issue in that if someone takes out the flash drive and reboots the Router it will...

Guys, by adding a second supervisor to the 4507R chssis does this disable the second gigbit port in the first supervisor? Thanks, Paul Paul Kilcoyne B. Eng. Innealtóir/ Engineer http://www.pknetworks.ie

Hi, I’ve a number of new 4507Rs I’m installing. I have 2 supervisor WS-X45-SUP6-E in each. Each Supervisor has two gigabit modules which take 2 SFPs each. I’m wondering can you use both gigabit modules in each sup when you have two supervisors in the chassis? Thanks, Paul Paul Kilcoyne B...

Guy, I'm installing a number of new 4507Rs and I've loaded the latest IOS onto the Bootflash. So now on the bootflash is the ipbase IOS and the entservices IOS. confreg = 2101 I configured the command: boot system flash cat4500e-entservicesk9.mz.122-53.SG1.bin but when I reload the chassis...

Guys, just wondering how one would reset a ‘Security Association’ on an IPSec VPN on a Cisco ASA 5510. WE have recently set up VPN to a third party and there were comms issues yesterday, the third party reset their ‘Security Association’ on their side and it resolved the issue. For future...

Guys, I have a problem with an ASA 5510. I want to let certain devices from the inside interface out onto the Internet. So using ASDM I added an ACL on the inside int as follows; Configuration>Firewall>Access Rules; Interface: inside Action: permit Source: any Destination: any Service: ip...

Hello technical wizards, I’m trying to set up two ASA 5510s for the first time. These are my goals; 1. To have remote management access to the devices from both the LAN and the Internet. 2. To have active/standby configured between the two 5510s. 3. To set up a site to site VPN from my two ASA...

Guys, was on site today trying to set up failover between two ASA 5510s. Using ASDM. I configured up the int e0/0 on both devices with IP addresses. On the active Device I went into the failover config area, selected my failover interface and put in the IP address of the previously configured...

Guys, on site at the moment and trying to set up remote access for my newly installed 5510 ASA. Problem is I can't ping my outside public IP address from the internet eventhough I've allowed ICMP. My goal is to have remote access to the ASA via the internet so I don't have to come back to the...