I believe the PAGP is in reference to the Etherchannel. The switchport mode trunk is for DTP negotiation.
PAGP (Cisco way) has auto and desirable as options, where the first is passive negotiation and the second is active negotiation. LACP (Non-Cisco standard) has the passive and active as options, where the first is ... passive negotiation and the second is active. The "on" EtherChannel is like static Etherchannel. No negotiation done there. So the solution to an EtherChannels trunk using non-Cisco routers would be, interface GigabitEthernet0/1 switchport trunk encap dot1q switchport mode trunk channel-group mode active interface GigabitEthernet0/2 switchport trunk encap dot1q switchport mode trunk channel-group mode active Regards Ralph Olsen CCIE #20652 -----Oprindelig meddelelse----- Fra: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] På vegne af Louis S Sendt: 7. maj 2008 02:59 Til: osl Emne: [OSL | CCIE_RS] IPex Lab 32 Simple LAN question So I'm pretty much certain I found the answer to this question through reading CISCOUNIVERCD. But the ask in this lab: "Make sure that either switch could be replaced with a non-cisco switch." I admit it threw me off a bit cause I immediately started thinking about 802.1q vs ISL The PG was looking for you to not use PAGP. So is this config correct? Cat1 interface GigabitEthernet0/1 switchport trunk encapsulation dot1q switchport mode trunk It says here "switchport mode trunk" ... Does that mean the default mode is LACP? Usually we are used to be asked in these labs to take a group of interfaces and do a L2 trunk over and etherchannel and we usually use "channel-group x mode on" somewhere in the config. CISCOUNIVERCD says: "on Forces the interface to channel without PAgP. With the on mode, a usable EtherChannel exists only when an interface group in the on mode is connected to another interface group in the on mode." ?? ____________________________________________________________________________ ________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
