Cisco SFR Cant Ping its Default Gateway?
Jul25

Cisco SFR Cant Ping its Default Gateway?

KB ID 0001575 Problem This is a strange one? I was deploying FirePOWER to a pair of ASA 5550-8-X firewalls in Active / Standby failover last week. After each SFR was updated (via ASDM.) I could no longer ‘ping it’, the SFR itself could ping everything on the same VLAN, APART from its own default gateway, (which was an SVI on the Cisco 3750 switch it was connected to). This happened every time I updated the SFR, (or...

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Cisco Catalyst – Upgrading ‘Stacked’ Switches
Nov17

Cisco Catalyst – Upgrading ‘Stacked’ Switches

KB ID 0001002 Problem The following procedure was carried out on two Cisco Catalyst 3750 switches. Solution 1. We can see (above) that we have two switches, but if your connected remotely, best make sure. Petes-Stack#show switch Switch/Stack Mac Address : 0018.7347.a000 H/W Current Switch# Role Mac Address Priority Version State...

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Cisco ISE – Basic 802.1x With WindowsPart Three – Adding Network Devices (Authenticators)
Nov17

Cisco ISE – Basic 802.1x With WindowsPart Three – Adding Network Devices (Authenticators)

KB ID 0001077  Problem Back in Part Two we configured the specific 802.1x policies in Cisco ISE. Remember with 802.1x it is a three tier system there is a supplicant, (a machine that wants to authenticate), the Authenticator, (the device the supplicant connect to, in our case a switch), and finally an Authentication server (Cisco ISE). Below I will add our switch into ISE, as a RADIUS device and create some groups, and locations for...

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