Production DNS infrastructure
To handle all requests from production network and external queries the name servers and resolvers have been separated. - A single master name server updates 4 slaves with AXFR transactions. - All slaves have been configured to serve requests for about 1200 public domains. - 2 views have been created for internal and external DNS clients. - 4 resolvers are placed behind 2 vips to optimize load sharing and provide high availability. - All systems are Debian servers with BIND.
Skillful network and system engineer (active CCNP certification) with good analytical, troubleshooting, and communication skills. Over 7 years' experience in configuring and maintaining highly available computer networks and network related services on Cisco devices and GNU/Linux servers. Profficient in configuring dynamic routing protocols (BGP, OSPF, EIGRP), VPN technologies (IPSec, GRE), IPv6, STP, etherchannel, VTP, VRRP, HSRP; Cisco routers and switches (IOS/CatOS), ASA appliances, GNU/Linux ditributions including Red Hat, Debian, CentOS, Fedora, Ubuntu, Slackware (iptables, openswan, racoon, openvpn, BIND, Squid, Apache, DHCP, TFTP, vsftpd, keepalived etc).
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