Hi Martijn,If this happens a lot, my guess is that it is not a DoS attack but just the box running out of resources. You can try to increase the "ip inspect max-incomplete" values to allow more half-open sessions to see if that improves performance.S...
My guess is that somehow the trunk created a loop between vlan 1 and vlan 17. When the BPDUs from vlan 1 are looped back into vlan 17, the core1 switch will show as root with a lower prio than in vlan 17 (in Cisco PVSTP the vlan id is added to the pr...
Hi John,Not completely sure what's going on here, but in the release notes for 12.4(24)T5 I see that a whole set of 881 routers is supported, but no mention of the 881W.... When I run the software advisor for the 881W it recommends 12.4(22)T...Peter
I might be wrong, but check this: http://www.cisco.com/en/US/docs/ios/ios_xe/netmgmt/configuration/guide/nm_cfg_snmp_sup_xe.html#wp1201017The command is snmp-server user username groupname [remote ip-address [udp-port port]] {v1 | v2c | v3 [encrypted...
If all the light flash on when you connect the cable, you are probably causing a loop. Check all the cables from the switches to see if there isn't already somehow a connection active between these switches. If your switches support it, consider turn...