From: Jens Petter Eikeland (jenseike@start.no)
Date: Wed Sep 21 2005 - 04:07:38 GMT-3
No, you need the reflector port to encapsulate the packets that rspan sends
over
to the other switches. This port needs to be an unused port and will be in
shutdown modus after you configure it.
Jens P
-----Opprinnelig melding-----
Fra: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Pe vegne av
Evgeniy Voloshin
Sendt: 21. september 2005 07:46
Til: Leigh Harrison
Kopi: ccielab@groupstudy.com
Emne: Re: RSPAN
Hello Leigh,
is it possible to configure RSPAN without reflect port?
As I understand - reflect port is some unusable port. Is it correct?
--- Yev.Leigh Harrison wrote:
> Howdy, > > To configure RSPAN, it should not matter that you are load balancing > the vlans. > > vlan 50 > name rspan > remote-span (this sets the vlan to be an rspan only vlan) > > mon sess 1 source f0/1 > mon sess 1 des remote vlan 50 relfect f0/10 (this port will turn off) > > On other switch > set up vlan (unless it is there in vtp) > > mon sess 1 source remote vlan 50 rx > mon sess 1 des int f0/1 > > LH > > > Evgeniy Voloshin wrote: > >> Hi Group, >> >> I have a little question about RSPAN: >> I have 2 3550 with 2 ISL trunk ports with VLAN load balancing for 4 >> vlans(10 and 30 through first trunk, 20 and 40 through second trunk) >> - cost/port-priority parameter. >> >> I need to configure remote SPAN to monitor vlan access port from >> first switch to destination port to second switch - for access port >> or for trunk. >> >> What I must to do? >> How I can set destination port(monitor session) on first switch - I >> have two trunk ports, or how I can set source port(monitor session) >> on second switch - I also have two trunk ports. >> >> My configs: >> ================================================= >> hostname CAT1 >> ! >> interface FastEthernet0/2 >> description --- R2 E0 --- >> switchport access vlan 10 >> switchport mode access >> load-interval 30 >> speed 10 >> duplex half >> ! >> interface FastEthernet0/13 >> description --- CAT2 F0/13 --- >> switchport trunk encapsulation isl >> switchport mode trunk >> load-interval 30 >> spanning-tree vlan 10 cost 1 >> spanning-tree vlan 30 cost 1 >> ! >> interface FastEthernet0/14 >> description --- CAT2 F0/14 --- >> switchport trunk encapsulation isl >> switchport mode trunk >> load-interval 30 >> spanning-tree vlan 20 cost 1 >> spanning-tree vlan 40 cost 1 >> ================================================= >> hostname CAT2 >> ! >> ! >> interface FastEthernet0/3 >> description --- R3 F0/0 --- >> switchport access vlan 10 >> switchport mode access >> speed 100 >> duplex full >> ! >> interface FastEthernet0/5 >> description --- R4 F0/0 --- TRUNK Emulate 2xFE >> switchport trunk encapsulation isl >> switchport trunk allowed vlan 10,50 >> switchport mode trunk >> speed 100 >> duplex full >> ! >> interface FastEthernet0/13 >> description --- CAT1 F0/13 --- >> switchport trunk encapsulation isl >> switchport mode trunk >> spanning-tree vlan 10,30 cost 1 >> ! >> interface FastEthernet0/14 >> description --- CAT1 F0/14 --- >> switchport trunk encapsulation isl >> switchport mode trunk >> spanning-tree vlan 20,40 cost 1 >> ================================================= >> I want to monitor: >> 1. from CAT1 FE0/2 -----> CAT2 FE0/3 >> 2. from CAT1 FE0/2 -----> CAT2 FE0/5 VLAN 50
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