Jon Marshall

Member Since: Sep 22, 2003

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Jon Marshall commented on Spanning Tree in LAN, Switching and Routing 1 day ago

No problem, glad to have helped. Jon

Jon Marshall commented on Spanning Tree in LAN, Switching and Routing 1 day ago

You can do if you think there is a chance a new switch could become root. It is a useful protection...

Jon Marshall commented on Cisco 2851 Router in WAN, Routing and Switching 1 day ago

Just to add to Julio's post. I think you are reading your output incorrectly ie. you ask if 15.1.M4...

Jon Marshall commented on Spanning Tree in LAN, Switching and Routing 1 day ago

The answer is no, you should not run it on any ports that interconnect switches because switches...

Jon Marshall commented on How to redistribute all routes to BGP in WAN, Routing and Switching 1 day ago

What is not working ? There is no redistribute statement for OSPF under your BGP configuration. Jon

Jon Marshall commented on Standard ACL, source can still ping node of denied network in WAN, Routing and Switching 1 day ago

Just an additional point. My previous answer assumed you wanted to apply the acl on R1. As as rule...

Jon Marshall commented on Standard ACL, source can still ping node of denied network in WAN, Routing and Switching 1 day ago

You can still ping the router IP because the acl is only applied to traffic passing through the...

Jon Marshall commented on Switched Virtual Interface question in WAN, Routing and Switching 1 day ago

Assuming a separate physical server for DHCP it is the server that is responsible for assigning the...

Jon Marshall commented on NAT/PBR config in LAN, Switching and Routing 1 day ago

Can you not use PBR on the UK-Edge device as well ? Jon

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 1 day ago

No problem, thanks for letting me know. Jon

Jon Marshall commented on 2126XM router and VLANS in LAN, Switching and Routing 1 day ago

Any problems when you do just post back into this thread. Jon

Jon Marshall commented on 2126XM router and VLANS in LAN, Switching and Routing 1 day ago

Your setup is fine as it is really. I would then use a L3 connection between the top switch and the...

Jon Marshall commented on 2126XM router and VLANS in LAN, Switching and Routing 1 day ago

No problem, have done a similar things myself many times :) Firstly I am not sure I understand the...

Jon Marshall commented on NAT/PBR config in LAN, Switching and Routing 1 day ago

I'm not clear on why PBR doesn't work ie. at HQ use PBR to send the traffic to the UK Edge...

Jon Marshall commented on Switched Virtual Interface question in WAN, Routing and Switching 1 day ago

It will get an IP automatically if you have a DHCP server. If you do and it is on vlan 2 as well...

Jon Marshall commented on 2126XM router and VLANS in LAN, Switching and Routing 1 day ago

You can do routing on a stick on the router but you need a certain feature set (think you may be...

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

This is as you say even more confusing now. So the ASA can route traffic assuming it is simply not...

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

It is a bit of a puzzle this one :) Can't think of anything else at the moment. If the ASA can ping...

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

If the capture shows traffic passing the only other thing I can think of would be the IP settings...

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

Okay, don't want to insult your intelligence but the obvious things ie. you say you can ping a 192....

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

Chris Apologies, just looked at your schematic again and can see you can ping that IP from the...

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

Worth a try :) Out of interest can you ping 10.3.200.31 from the core switch ? Jon

Jon Marshall commented on ASA 5505 with Security+ not passing traffic through ASA in Firewalling 2 days ago

It may just be a typo but on the 4431 on the right hand side the next hop for the 192.168.1.0/24...

Jon Marshall commented on Static routing ISSUE(packet tracer) in WAN, Routing and Switching 2 days ago

Are you pinging from the routers themselves and are you just typing "ping <IP address>" ? If...

Jon Marshall commented on Static routing ISSUE(packet tracer) in WAN, Routing and Switching 2 days ago

Routing has to work both ways, can't put it any clearer than that. It may be to do with the IPs you...

Jon Marshall commented on ROOT GUARD in LAN, Switching and Routing 2 days ago

The port will be a designated port. It will only be in an inconsistent state if the new switch has ...

Jon Marshall commented on Static routing ISSUE(packet tracer) in WAN, Routing and Switching 2 days ago

Can't read the attachment but as a guess don't forget routing has to work both ways so when you...

Jon Marshall commented on Separate 2 VLANs coming from another layer 2 devices in WAN, Routing and Switching 2 days ago

You would need to configure the ports to be in the correct vlans even if you did not make them...

Jon Marshall commented on Separate 2 VLANs coming from another layer 2 devices in WAN, Routing and Switching 2 days ago

That makes sense although not sure why they are trunk ports if they are only passing a single vlan...

Jon Marshall commented on Separate 2 VLANs coming from another layer 2 devices in WAN, Routing and Switching 2 days ago

Make sure you create those vlans on the 2970 switch and then just configure the other ports as...

Jon Marshall commented on Separate 2 VLANs coming from another layer 2 devices in WAN, Routing and Switching 2 days ago

If the traffic is within the same vlan you just need to create the vlans on the switch and possibly...

Jon Marshall commented on Separate 2 VLANs coming from another layer 2 devices in WAN, Routing and Switching 2 days ago

Not sure what you are asking. You say the traffic from the Alcatel switches is tagged so are the...

Jon Marshall commented on configurar modo trunk en catalys 4500 hacia un asa 5512 in LAN, Switching and Routing 2 days ago

On the 4500 - int gi5/23no switchport access vlan 10switchport trunk native vlan 10 Jon

Jon Marshall commented on Cisco ASA 5505. Access to DMZ from outside network in WAN, Routing and Switching 2 days ago

In your original configuration try this - "nat (dmz,outside) static interface service tcp www www"...

Jon Marshall commented on BGP Path Selection in WAN, Routing and Switching 2 days ago

It is an option for AS 20 which is what is being suggested. Jon

Jon Marshall commented on How To Force HSRP Election Process in LAN, Switching and Routing 2 days ago

Reza has given the answer ie. you need to enable preempt on router A. Jon

Jon Marshall commented on Cisco ASA 5505. Access to DMZ from outside network in WAN, Routing and Switching 2 days ago

You can use the interface IP for NAT if you want to and that would work fine as long as you specify...

Jon Marshall commented on BGP Path Selection in WAN, Routing and Switching 3 days ago

Phil Sorry I may not have answered your specific question. Whether you need to move to a /24...

Jon Marshall commented on BGP Path Selection in WAN, Routing and Switching 3 days ago

Good point about why to use local preference as it makes no assumptions about the carrier setup. Jon

Jon Marshall commented on BGP Path Selection in WAN, Routing and Switching 3 days ago

All the ASs in the path are going to need to know about the /29 subnet so unless your carrier is...

Jon Marshall commented on What is most possibly reason ping can pass PE but traceroute cannot? in LAN, Switching and Routing 3 days ago

With ping only the target device needs to respond but with traceroute every L3 hop in the path from...

Jon Marshall commented on BGP Path Selection in WAN, Routing and Switching 3 days ago

They could also just use weight assuming it was a Cisco router I suppose. The key point is though...

Jon Marshall commented on BGP Path Selection in WAN, Routing and Switching 3 days ago

Phil Someone else may have a solution but as far as I am aware there is no way to do this because...

Jon Marshall commented on vpn not routing to other vlans in LAN, Switching and Routing 3 days ago

That traceroute does not show it getting routed to the default router, it just shows it being...

Jon Marshall commented on Is this ipv6 summary covering these ipv6 prefixes? in WAN, Routing and Switching 3 days ago

As far as I know it would be the second summary address ie. 8600:1000::/28 le 64. Each number in an...

Jon Marshall commented on External EIGRP routes manipulation in WAN, Routing and Switching 3 days ago

So I am assuming router B has two interfaces as well because the ASA interfaces will be in separate...

Jon Marshall commented on External EIGRP routes manipulation in WAN, Routing and Switching 3 days ago

Apologies, that was a very stupid question. I'll get back to you :) Jon

Jon Marshall commented on Cisco ASA 5505. Access to DMZ from outside network in WAN, Routing and Switching 3 days ago

The 198.51.100.101 IP is just a spare IP in the subnet of public IPs. When you connect to an ISP...

Jon Marshall commented on SLA Tracked Static Route removed from route table / CEF, but never brought back in in WAN, Routing and Switching 3 days ago

I may be misunderstanding your point but IP SLA is the mechanism to fall back dynamically, that is...

Jon Marshall commented on VLAN not able reach after applied ISR device in LAN, Switching and Routing 3 days ago

I don't see how this post relates to the original problem. Did you see my first post about the...

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Jon Marshall's Stats

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