Useful Config Statements

The AMS-IX (http://www.ams-ix.net/config-guide/) provide an excellent reference for configuring edge devices.

The following are example commands for a Cisco device:

! Global commands

! automatically recover from loopback errors
errdisable recovery cause loopback
errdisable recovery interval 300

! Layer 2 Interface commands
interface gigabitethernet XXXX

! disable DTP negotiation
switchport nonegotiate

! disable CDP
no cdp enable

! disable loopback packets
no keepalive

! disable udld
no udld enable

! disable lldp
no lldp receive
no lldp transmit

! discard spanning-tree
spanning-tree bpdufilter enable

! Layer 3 Interface commands
interface vlan XXXX or interface gi XXXX

! ignore icmp redirect packets
 no ip redirects

! disable proxy arp
no ip proxy-arp

! ignore directed broadcast packets
no ip directed-broadcast

If you have any questions about the right way to configure a device please contact CityLink to discuss your requirements (tech@citylink.co.nz).