Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
Hi all!I'm trying to understand how routers/l3 switches process IP packet, when it consist of 2 or more ethernet frames. For exapmle let it be the 2000 bytes ICMP packet, as I understand the IP SA/DA there only in first frame, so how does L3 device ...
Hi all,I've some questions about RPVST+ BPDU on trunk interface on Cisco swicth (catalyst3560G),regarding to this document:http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00801d11a0.shtml#topic1This list shows how PVST+ intero...
Hi all!Im reading the book "OSPF Network Design Solutions"and in chapter with ABR\ASBR routers configurations there are some examples of area range command:im confused with area mismatch in network command (area 0), and area range command (area 1) fo...
Hi all!A check out a network segment and want to know why SwA has a static route to SwB if SwA already has a Default GW to Core?(SwA, SwB - Catalyst3560, Core - Catalyst4948)!Note, there are distribute list on SwA - it does not has any OSPF route (ex...
Hi all!My 3550 reloaded and I cannot figure out how:#sh verCisco IOS Software, C3550 Software (C3550-IPSERVICES-M), Version 12.2(25)SEC2, RELEASE SOFTWARE (fc1)Copyright (c) 1986-2005 by Cisco Systems, Inc.Compiled Wed 31-Aug-05 08:17 by antoninoROM:...
Joseph, thanks for your reply!Giuseppe, thanks for detailed explanation!I was confused with number of bytes in brackets::~$ ping 192.168.100.1 -s 2000PING 192.168.100.1 (192.168.100.1) 2000(2028) bytes of data.2028 = 2000 (ICMP payload) + 20 (IP head...
Hi, Petermany thanks for reply, I thought what Trunking Native Mode VLAN: 1 (default)also allowed vlan 1 on trunk interface,so after switchport trunk allowed vlan add 1 on Gi0/1 interface I see both PVST+ and original IEEE BPDU and all ports roles be...
For storing a lot of MAC addresses SDM on this Switch is "default" and there are >400 prefixes on each Sw announced in Area (in real network topology number of Swithes more than 2).Thanks a lot for detailed answer!Best regards, Maxim.
