Configuration Example, Routing

HSRP and ACL’s

RenĂ© Jorissen on October 1, 2008 0 Comments • Tags: #1985 #access #accesslist #acl #hot #hsrp #list #multicast #protocol #routing #standby #udp

I added a Guest VLAN to a network environment with two multi layer switches running HSRP. To secure the internal network from the Guest VLAN, I added a ACL to the Guest VLAN SVI. The ACL is stated below: ip access-list extended GUEST-DENY-RFC1918 remark Allow DHCP permit udp any eq bootpc any remark Deny RFC … Read More

Configuration Example, IP Telephony

QoS matching for VoIP

RenĂ© Jorissen on April 18, 2008 0 Comments • Tags: #1720 #2427 #2428 #h225 #h245 #h323 #mgcp #payload #rtcp #rtp #sccp #sgcp #signaling #tcp #udp #voip

Voice over IP is, as you know for sure, very time-sensitive traffic. That is why VoIP signaling and payload traffic should receive enough bandwidth and as less jitter and delay as possible. QoS is an important tool to assign VoIP traffic more preference over “normal” traffic. Important for QoS tools to function correctly is placing … Read More