Jon Marshall

Member Since: Sep 22, 2003

English
Jon Marshall commented on Asymmetric routing -SYN-SYN-ACK in LAN, Switching and Routing 4 months ago

The SYN ACK will be sent over whichever path is the best path according to the routers. It makes no...

Jon Marshall commented on Cannot reach across the router for one interface to another. in WAN, Routing and Switching 5 months ago

You have a router between the CUCM server and the PCs, phones so you cannot use the same IP subnet...

Jon Marshall commented on Routing Issue between 3560 Switch & ASA5515 in LAN, Switching and Routing 5 months ago

Issue is that the 3560 has an interface in 192.168.1.x so it sends return traffic direct to clients...

Jon Marshall commented on switch routing from the router to switch for local lan in LAN, Switching and Routing 6 months ago

The interfaces are not up/up so they won't show in the IP routing table. How have you connected...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

If you have multiple L3 devices then you need them to know about the route so you can redistribute...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Okay, so if it is a P2P route then there is no need for a vlan between the two switches. So are you...

Jon Marshall commented on ACL on interface connected to ISP in WAN, Routing and Switching 6 months ago

Yes it will unless you allow it in the acl. Jon

Jon Marshall commented on Tag for Route-Maps in LAN, Switching and Routing 6 months ago

It is choosing that path because OSPF has a better AD than RIP. This is one of the issues you can...

Jon Marshall commented on ACL on interface connected to ISP in WAN, Routing and Switching 6 months ago

It is not entirely clear what you mean. If traffic has to go through an interface with an acl to...

Jon Marshall commented on NX-API on N9K-C9372PX returning incorrect data in LAN, Switching and Routing 6 months ago

Thomas If that is all you are seeing when you get the request back then I would tend to agree with...

Jon Marshall commented on Configure GLBP between 2 Routers in LAN, Switching and Routing 6 months ago

You don't need a physical connection between the routers. You just connect the other router to the...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

What you are doing here is not limiting OSPF routes. You have configured a static route to 192.168....

Jon Marshall commented on DMVPN BGP and EIGRP in WAN, Routing and Switching 6 months ago

No problem. If you get round to testing and are having any issues just add to this thread. Jon

Jon Marshall commented on static NAT config from Destination to source in Firewalling 6 months ago

Mahesh Sorry, I missed your reply. If possible can you post the NAT configuration from the firewall...

Jon Marshall commented on DMVPN BGP and EIGRP in WAN, Routing and Switching 6 months ago

I would prefer that to changing the AD to be honest. Basically there are two options if you don't...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

I think this is where the confusion is coming in. You say they need to be on a vlan but you are...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Okay, no problem. I agree with Rick, lets concentrate on the lab and then if we get that working...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

I do not know what you are trying to do to be honest. I thought I did but the more I ask the more...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Why do they need to be on a vlan ? If it is a Cisco switch you can simply use L3 routed ports....

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

I did, at the end of this thread but it is not clear at the moment what you want to advertise where...

Jon Marshall commented on static NAT config from Destination to source in Firewalling 6 months ago

Mahesh You wouldn't happen to have the firewall configuration would you ? Not sure what the (DMZ,...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Rick I am getting a bit confused myself. Your idea is the right one I think but I am unclear what...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Before you do that in your lab can you be specific about what subnets you want advertised and where...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Okay, well you need to use a new IP subnet for the P2P connection because you are going to use...

Jon Marshall commented on static NAT config from Destination to source in Firewalling 6 months ago

Don't know. Can you post the packet tracer output ? Jon

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

In terms of where to terminate it, you can terminate the link on a L2 or L3 switch but the...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

So is the P2P link going to use 192.168.100.0/24 ? If so are there no end clients in that IP subnet...

Jon Marshall commented on static NAT config from Destination to source in Firewalling 6 months ago

No the NAT has to be that way round. Think of it like a static NAT statement you would use when you...

Jon Marshall commented on 4500-X VSS question in LAN, Switching and Routing 6 months ago

Agree with Reza, not clear what you mean. It sounds like what you are saying is you want a VSL with...

Jon Marshall commented on static NAT config from Destination to source in Firewalling 6 months ago

No, you only need that NAT statement because a static NAT statement works both ways So if the...

Jon Marshall commented on how to redistribute static route into ospf in WAN, Routing and Switching 6 months ago

Rick's suggestion is the right one. You need another OSPF process on your switch so the vendor only...

Jon Marshall commented on static NAT config from Destination to source in Firewalling 6 months ago

Mahesh Yes it is with NAT in use because for traffic to flow from a lower to higher security level...

Jon Marshall commented on Tag for Route-Maps in LAN, Switching and Routing 6 months ago

What you have is not quite right. So lets say the tag to use from OSPF to RIP is 3 and the tag from...

Jon Marshall commented on Trunk and access issuse in LAN, Switching and Routing 6 months ago

That would be fine as long as the server can support tagging. If either of the devices can support...

Jon Marshall commented on DMVPN BGP and EIGRP in WAN, Routing and Switching 6 months ago

Andy My initial reaction was no because I didn't think EIGRP used AD between it's own routes but I...

Jon Marshall commented on Trunk and access issuse in LAN, Switching and Routing 6 months ago

Why would the other hosts be unavailable ? Jon

Jon Marshall commented on PBR wity EIGRP (issue?) in WAN, Routing and Switching 6 months ago

Peter Yes, is that not what I said or can it be read another way ? Jon

Jon Marshall commented on PBR wity EIGRP (issue?) in WAN, Routing and Switching 6 months ago

Yes it should. Your configuration will check the IP routing table and first and if there is a...

Jon Marshall commented on BGP Route Not Redistributing Into OSPF in LAN, Switching and Routing 6 months ago

Robert BGP does not by default redistribute IBGP routes into an IGP. For this to happen you need to...

Jon Marshall commented on DMVPN BGP and EIGRP in WAN, Routing and Switching 6 months ago

So that is the main issue really. With your DMVPN setup the routes will be EIGRP internal with an...

Jon Marshall commented on DMVPN BGP and EIGRP in WAN, Routing and Switching 6 months ago

So in your DC the routes are showing as EIGRP external with an AD of 170 ? Where is the DMVPN hub...

Jon Marshall commented on how to create redundancy for existing stack switch? in LAN, Switching and Routing 6 months ago

As already suggested if these are two separate stacks then you need to connect each access switch...

Jon Marshall commented on DMVPN BGP and EIGRP in WAN, Routing and Switching 6 months ago

Andy Are you currently running EIGRP in your network ie. do you have sites where you have internal...

Jon Marshall commented on how to create redundancy for existing stack switch? in LAN, Switching and Routing 6 months ago

No problem, I thought maybe I was misunderstanding how it worked. As you say it is difficult to...

Jon Marshall commented on how to create redundancy for existing stack switch? in LAN, Switching and Routing 6 months ago

I may be misreading the diagrams but I thought it was two separate stacks ie. you are not creating...

Jon Marshall commented on how to create redundancy for existing stack switch? in LAN, Switching and Routing 6 months ago

I don't have a lot of experience with 3750s but as I understand it you can't create an etherchannel...

Jon Marshall commented on Are the WS-C3560X switches stackable? in LAN, Switching and Routing 6 months ago

No they aren't - http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3750-x-series-...

Jon Marshall commented on Route a specific VLANs internet traffic out using a different wan IP from my primary wan IP in WAN, Routing and Switching 6 months ago

No, the acl is just used in your NAT statement. Like I say if you do add the configuration and the...

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Discussion started 53
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