John Blakley

Member Since: May 27, 2005

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John Blakley commented on ASA 5510 Update in WAN, Routing and Switching 11 months ago

I have no experience with Azure, so I'm not sure what the vpn is for. I'm assuming that you're...

John Blakley commented on how to track down where a device is coming from? in LAN, Switching and Routing 11 months ago

The Dell switches will use "show bridge address" and you can find them that way...

John Blakley commented on .Cisco 887VA Router no outbound Internet access. in WAN, Routing and Switching 11 months ago

Finbarr,"when I changed back to my original confit for acl199 it worked again."This is because your...

John Blakley commented on .Cisco 887VA Router no outbound Internet access. in WAN, Routing and Switching 11 months ago

Finbarr,On you dialer interface, the acl 100 is blocking all traffic and that includes your return...

John Blakley commented on C3560x dhcp pools in WAN, Routing and Switching 11 months ago

John,I'm not sure I understand what your question is. If your hosts are using 192.168.1.100 as...

John Blakley commented on .Cisco 887VA Router no outbound Internet access. in WAN, Routing and Switching 11 months ago

Finbarr,This is a fairly common issue, so if you can post your config I'm sure someone will be able...

John Blakley commented on monitoring a port on another switch in WAN, Routing and Switching 11 months ago

You should be able to use rspan. Take a look at this link:http://www.cisco.com/c/en/us/td/docs/...

John Blakley commented on Router config assistance in WAN, Routing and Switching 11 months ago

Can you post your config if the following doesn't help? Try this:access-list 100 permit ip 10.0.0.0...

John Blakley commented on Bandwidth guarantees and usage in WAN, Routing and Switching 11 months ago

Thanks Joseph! So, does this mean that if the medium class will have the ability to scale the low...

John Blakley commented on Static vs bgp in WAN, Routing and Switching 11 months ago

if they only have a single path out, it makes no difference if they have a single static default...

John Blakley commented on NAT outbound on Cisco ASA 5512 in LAN, Switching and Routing 11 months ago

Can you post your config?

John Blakley commented on CDP Protocol question in LAN, Switching and Routing 11 months ago

Michael,CDP will go through switches. For example, if I have a Cisco --- Dell ---- Cisco, the Cisco...

John Blakley commented on cisco routers between utm firewall sending hello...Adjacency?? in LAN, Switching and Routing 11 months ago

I would say allow protocol 88 (eigrp) through the firewall between the two addresses. You may also...

John Blakley commented on Question in WAN, Routing and Switching 11 months ago

You can look for a port with more than one mac address and make the assumption that those ports...

John Blakley commented on 3750 not routing traffic to the internet - it will ping the internet - no client internet access in LAN, Switching and Routing 11 months ago

What device is doing natting? ** Edit **I'm also seeing discrepancies in your config. The DHCP pool...

John Blakley commented on IP multipath / load balancing on server vs Firewall Cisco ASA 5500 with TCP 3way handshake in LAN, Switching and Routing 11 months ago

Jon,For my clarification, to me, it doesn't sound like this should be an issue, right? I'm not very...

John Blakley commented on IP multipath / load balancing on server vs Firewall Cisco ASA 5500 with TCP 3way handshake in LAN, Switching and Routing 11 months ago

I'm not familiar at all with solaris, I can only speak to what I've experienced with other load...

John Blakley commented on IP multipath / load balancing on server vs Firewall Cisco ASA 5500 with TCP 3way handshake in LAN, Switching and Routing 11 months ago

I admittedly don't have a lot of experience in this area with servers, but my first thought would...

John Blakley commented on Questions about ARP - mutiple entries possible ? in 11 months ago

You are correct! :) 

John Blakley commented on Questions about ARP - mutiple entries possible ? in 11 months ago

Q1. Correct on all accountsQ2. I'm not sure I understand the second bullet point. There can be...

John Blakley commented on Questions about ARP - mutiple entries possible ? in 11 months ago

Correct. Normally, an arp request is sent out with the destination ip address requesting the mac...

John Blakley commented on Questions about ARP - mutiple entries possible ? in 11 months ago

The arp table is updated when the switch receives a reply and the associated mac address is...

John Blakley commented on Questions about ARP - mutiple entries possible ? in 11 months ago

I would go with lacp if you have the option for that. The arp table will only have 1 entry at a...

John Blakley commented on Questions about ARP - mutiple entries possible ? in 11 months ago

You can only have 1 arp entry that resolves to the same address with different mac at a time in the...

John Blakley commented on How do I change the native vlan on a LACP member port? Seeing CDP Native VLAN Mismatch. in LAN, Switching and Routing 11 months ago

Matty,You made mention of the SG series switch above. I'm not sure how to default the port, but on...

John Blakley commented on How do I change the native vlan on a LACP member port? Seeing CDP Native VLAN Mismatch. in LAN, Switching and Routing 11 months ago

Try this:1. Shut down the po1 interface.2. default the two interfaces that you want to be part of...

John Blakley commented on How do I change the native vlan on a LACP member port? Seeing CDP Native VLAN Mismatch. in LAN, Switching and Routing 11 months ago

Your physical ports need to have the same configuration as the virtual interface:interface...

John Blakley commented on How to reduce the number of VLANS by consolidating subnets into fewer VLANS. in WAN, Routing and Switching 11 months ago

Actually, that would change the answer :) The only issue that you would have is that your /22...

John Blakley commented on How to reduce the number of VLANS by consolidating subnets into fewer VLANS. in WAN, Routing and Switching 11 months ago

"Is this the correct way to handle the situation?"Personally, we're trying to get off of this model...

John Blakley commented on Internet and MPLS access from LAN in WAN, Routing and Switching 11 months ago

There shouldn't be an issue with it going out the same interface it came in on. The route that you...

John Blakley commented on Internet and MPLS access from LAN in WAN, Routing and Switching 11 months ago

How is your routing done on the Cisco now? Are you using a routing protocol? What is its default...

John Blakley commented on What routes is my BGP speaking router telling it's neighbor about? in WAN, Routing and Switching 12 months ago

Okay...so I think I know what's going on. Thank you for that info. Let me lab that up...I have an...

John Blakley commented on SVI IP Change in LAN, Switching and Routing 12 months ago

What type of equipment is this? I'd suspect you changing the default gateway is causing the...

John Blakley commented on What routes is my BGP speaking router telling it's neighbor about? in WAN, Routing and Switching 12 months ago

Bill,Forgive me if I'm telling you something that you already know, but the rib-failure is nothing...

John Blakley commented on command rejected Port-channel in LAN, Switching and Routing 12 months ago

The only other thing I could recommend is to remove all of the config and start over. That...

John Blakley commented on C2911 Router in LAN, Switching and Routing 12 months ago

Yes they can. The dot1q trunk would need to be configured as a subinterface with the appropriate...

John Blakley commented on command rejected Port-channel in LAN, Switching and Routing 12 months ago

I can see that both of your ports are up. Have you (or someone you know) checked the config of the...

John Blakley commented on What routes is my BGP speaking router telling it's neighbor about? in WAN, Routing and Switching 12 months ago

I don't believe you're going to be able to break that down unless you have access to the summary...

John Blakley commented on command rejected Port-channel in LAN, Switching and Routing 12 months ago

What's connected to the other side?

John Blakley commented on Using ACL to restrict VPN access from a Subnet in LAN, Switching and Routing 12 months ago

Anyconnect may be using 443 to establish VPN. Try adding:deny   tcp any 172.26.20.0 0.0.0.255 eq...

John Blakley commented on 3750g bgp route issue in WAN, Routing and Switching 12 months ago

Is the switch participating using bgp as well? If not, once the switch receives traffic from the...

John Blakley commented on Preventing Typos in LAN, Switching and Routing 12 months ago

Peer review is the best option. If you're concerns lie around engineers making human errors, then...

John Blakley commented on Can I make an SVI OSPF active, yet via an ACL allow only one device to form an adjacency? in LAN, Switching and Routing 12 months ago

After playing around with this, I think you can use an acl after all. Try adding one on the svi...

John Blakley commented on command rejected Port-channel in LAN, Switching and Routing 12 months ago

You won't be able to group your PO1 interface with a fa2/15 interface. You'll need to have two L2...

John Blakley commented on Can I make an SVI OSPF active, yet via an ACL allow only one device to form an adjacency? in LAN, Switching and Routing 12 months ago

You can try to use an acl inbound on the svi to see if you can block the traffic. If not, you may...

John Blakley commented on Routed Port in Vlan in WAN, Routing and Switching 12 months ago

I can only assume the g1/0 is a L3 port then and you won't be able to change that. You may need to...

John Blakley commented on 2960 switch not working but system LED only blinking ,no port LED blinking? in LAN, Switching and Routing 12 months ago

I'm assuming that you tried multiple power outlets at the customer's location? Was it connected to...

John Blakley commented on Routed Port in Vlan in WAN, Routing and Switching 12 months ago

Try this:int g1/0switchportswitchport mode accessswitchport access vlan 1 HTH,John

John Blakley commented on BGP in WAN, Routing and Switching 12 months ago

Ravi,This question is really broad, so I'll give a few tips:1. Depending on how many routes you're...

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