Cisco, Management

Cisco ASA: multiple context and capture

René Jorissen on April 4, 2016 1 Comment • Tags: #asa #capture #cisco #context #multiple #pcap #wireshark

Packet captures are very useful for troubleshooting purposes. The Cisco ASA supports packet captures even in multiple context mode. I normally configure packet captures on CLI level. This can be done by configuring an access-list to match the specific traffic you would like to capture. Add the access-list and the specific interface in a capture command. … Read More

Configuration Example, Security

MAB and MDA in an IP Phone environment

René Jorissen on February 5, 2010 26 Comments • Tags: #5330 #authenticate #bypass #cdp #cisco-av-pair #device-traffic-classvoice #domain #host-mode #lldp #mab #mac #mda #mitel #multi-domain #multiple #phone #radius #vsa

I blogged before about the MAC Authentication Bypass (MAB) feature in network environments. MAC Authentication Bypass can be used to secure the wired network by verifying MAC addresses to a central database. By using a radius server, like Microsoft IAS or FreeRadius, you can also redirect verified MAC addresses to a specific VLAN. Lately I … Read More

Other stuff...

Cisco Aironet: multiple SSID’s

René Jorissen on November 25, 2009 12 Comments • Tags: #aironet #bridge #cisco #dot11 #dot11radio #guest #guest-mode #irb #mbssid #mode #multiple #ssid #wpa

I have been playing with some Cisco Aironet’s today. Configuration is quite simple and straightforward, but maybe not for everyone: Broadcast two SSID’s, unsecure and secure Authentication via WPA version 2 pre-shared key Management IP adres in management VLAN You are maybe thinking: “stand-alone access points, why no WLAN controller?” I agree, but be honest. … Read More

Firewalling

Cisco Firewall Design and Deployment

René Jorissen on June 25, 2008 0 Comments • Tags: #access #active #asa #bridging #context #dynamic #fwsm #mixed #mode #multi-context #multicast #multiple #protocol #redundancy #redundant #remote #routed #routing #site-to-site #standby #transparant #virtualization #vpn

The session about firewall design and deployment didn’t reveal a lot of new things about the Cisco ASA appliance or FWSM module. The only new thing for me was the possibility to configure a redundant interface for a Cisco ASA appliance. The screen shot below shows the cabling scheme for an implementation with and without … Read More