About Phil Curwood

Phil Curwood · 11-05-2015

Hi All, We have a 3750 core switch in our DC. I'm having an issue whereby the tcp ack number is being changed for traffic going to/from a Cisco 887 router we're using. I have narrowed this issue down by performed wireshark captures on the following ...

Phil Curwood · 10-19-2015

Hi Guys,There is a need for us to be able to extract the call details (modem calls only) from a Cisco AS5350 device.We want to be able to report on the following:Number of inbound callsThe times these calls establishedThe call durationThe rate these ...

Phil Curwood · 10-14-2015

Hi Guys,We have a core stack of two C3750 switches performing inter VLAN routing within one of our DC's.We only use static routes on the devices, no routing protocol instances exist and I'm having a strange problem.VLAN10 SVI ip address 172.18.10.254...

Phil Curwood · 04-12-2014

Hi guys, I've managed to 'upgrade' the onboard 802 AP to lightweight in error but cannot find a way to 'downgrade' it back to autonomous mode. I've read various threads but none of then work for me. Any advice would be welcome. Thanks Robbie.

Phil Curwood · 11-06-2015

Hi Guys, Thanks for the quick reponse. I found the issue to be aysmetric routing which I've now resolved. Thanks again. Robbie.

Phil Curwood · 11-04-2015

Does anyone out there have any knowledge of these old Cisco devices then? Doesn't look great with no replies so far :(

Phil Curwood · 10-14-2015

Got it!We have a VPN failover (if the WAN went down) so there is (was) VPN config on the ASA already which was set to tunnel the traffic destined to 192.168.201.0 over the VPN to the head office site, then this would route the traffic over their WAN ...

Phil Curwood · 10-14-2015

There isn't any BT device as such, it's a wires only Etherflow circuit so it's a Layer 2 link but we're routing across it using the 10.99.100.0/24 network as the 'routing' network.We have circa 8 tails in to the Etherflow service from BT with a mixtu...

Phil Curwood · 10-14-2015

No, absolutely not - that's whats completely confusing about it all.192.168.201.0 /24 is one of our clients remote sites. We did used to route traffic to this network over our WAN in to our clients head office, then they routed this over their own WA...

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3750 altering tcp ack number

Cisco AS5350 call logging

C3750 Routing issue

887VAW 802 lightweight to Autonomous

Hi Guys,

Does anyone out there have

Got it!We have a VPN failover

There isn't any BT device as

No, absolutely not - that's