Tag Archives: cisco
Access-list mask or wildcard
G’day all, today I was messing around with access-list. And after getting my head around the weird subnets of rfc1918. Weird as in an A-class (/8) is reserved in A-space, B-class (/16) in reserved in C-space, and for the B-space … Continue reading
Error-Disable
When a network port encounters an error. This port is automatically shutdown to ensure network stability. When error-disable is enabled. The predefined error are as follows; arp-inspection bpduguard channel-misconfig dhcp-rate-limit gbic-invalid l2ptguard link-flap mac-limit link-monitor-failure loopback oam-remote-failure pagp-flap port-mode-failure psecure-violation … Continue reading
Cisco Express Forwarding
Differences between IP CEF , fast forwaring and processor based forwarding. Continue reading
CCNP Books have arrived
The 300-115 (switch) book was already in my possession. This week the last two books arrived; 300-101 (route) and 300-135 (tshoot). For some time I was cramming labs from whichever tutorial I could lay my hands on. Now the study … Continue reading