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mikey250

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switch query

hi ive configured an 'ibgp & ebgp' network & added the following 2 switches:

1 x 2950 layer 2 cisco switch
1 x 3550 layer 3 cisco switch - using a layer 3 as not got extra 2950 currently!

all my configurations and fault-tolerance tests at this point work as i can see!!!

qns1.  im currently using the default 'vlan1' setting for both 2950 & 3550 & have changed both to 'transparent mode' as dont believe vtp server/client is required due to this topology & would not need to add for eg: bgduguard enable - is this correct ?

qns2.  should i be adding a 'default-gateway' back to my cambridge int fa1/0 & fa1/1, on both lan-a & lan-b' switches - (i presume i should, so that it has another way of communicating as it is not a hub so can be used) ?

qns3.  should i leave the cambridge router int fa1/0 & fa1/1 as 'speed 100' or leave as 'auto', ?

qns4.  should i leave the cambridge router int fa1/0 & fa1/1 as 'duplex auto' or 'duplex full' - (i presume duplex full should be added due to this 2-way communications requirement) ?
network-topology-ibgp---ebgp-001.jpg
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rharland2009

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mikey250

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hi rharland2009, ok perfect thats all i wanted to know!!

- transparent mode - ok (on both switches) oh yeh as im in this mode 'bpduguard enable' is not required.

1 last question please:

qns1. if i was to add a vtp server on isp1a & a vtp client on northampton router or peterborough router, providing i add the identical 'vtp data', would this allow the vtp client to sync with the vtp server on isp1a ?
hi akinsd, - yes thanks for your response

- no duplex mismatches - i have now hardcoded all interfaces and no longer receive any 'duplex mismatches'!!
hi again,

qns1.

does it mater that on both switches ive named the 'vtp domain' for the following:

- lan-a - transparent - vtp domain: local1 & vtp password: cisco2 for eg - ?

- lan-b - transparent - vtp domain: local2 & vtp password: cisco2 for eg - ?
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hi rharland2009, as i have 'ibgp & ebgp' setup, if ebgp was to go down all connections could still go through my 'cambridge' router acting as the 'ibgp' router.  so due to this i decided to make both these switches 'transparent'.

because of my above comments, i decided to set 'vtp data' identical on both transparent switches.  but if i wanted to have (2 separated vtp domains) i understand that 1 of the transparent switches would have to contain a different 'vtp domain name' to accommodate!!

qns1. would it make a difference if i wanted to segragate progation of vtp between 2 switches other than to share network load balance (so to speak) ?
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which makes sense if i had set 2 vtp data on both transparent switches!! - ok

i gather my other comments were correct!!

appreciated!!
Yessir...no problem.
appreciated!!
sound advice!!