Origin & peer types in BGP

Created: Sep 15, 2019 13:09:56Latest reply: Sep 17, 2019 05:56:10 127 5 0 0
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Hi,,,in BGP when peer types is EBGP & IBGP then EBGP is prefered ....& other thing is origin atttibute ..when we have routes with origin attributes is IGP what it means? & when EGP ?? as incomplete means importing routes......and Peer types is also BGP attributes???

  • x
  • convention:

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chenhui
Admin Created Sep 16, 2019 02:07:24 Helpful(0) Helpful(0)

@LSA hello, the items marked with IGP in the BGP routing table means the corresponding imported into the BGP through using command network, EGP means the entries are imported from the EGP protocol(this protocol was not no longer used ).

For the last question, as far as I know, BGP peer type includes IBGP peer and EBGP peer, and they are not BGP attributes.
  • x
  • convention:

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DDSN
DDSN Admin Created Sep 15, 2019 14:04:33 Helpful(0) Helpful(0)

I don't know what your problem is? Please describe your problem in detail and clearly?
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umaryaqub
umaryaqub MVE Created Sep 15, 2019 17:58:58 Helpful(0) Helpful(0)

BGP may be used for routing within an autonomous system. In this application it is referred to as Interior Border Gateway Protocol, Internal BGP, or iBGP. In contrast, the Internet application of the protocol may be referred to as Exterior Border Gateway Protocol, External BGP, or eBGP.

If there is any thing else you'd like to clear, please let me know and I'll try to explain.
  • x
  • convention:

chenhui
chenhui Admin Created Sep 16, 2019 02:07:24 Helpful(0) Helpful(0)

@LSA hello, the items marked with IGP in the BGP routing table means the corresponding imported into the BGP through using command network, EGP means the entries are imported from the EGP protocol(this protocol was not no longer used ).

For the last question, as far as I know, BGP peer type includes IBGP peer and EBGP peer, and they are not BGP attributes.
  • x
  • convention:

LSA
LSA Created Sep 16, 2019 14:07:21 Helpful(0) Helpful(0)

Posted by chenhui at 2019-09-16 02:07 @LSA hello, the items marked with IGP in the BGP routing table means the corresponding imported into ...
thanks chenhui....in last question if we have route with local pref 130 & learn from external & same route with 200 local pref & internal .....then external will be prefered despiste local local pref is 200 of internal.........that means every external is prefered no attribute compared in that condition.??
  • x
  • convention:

chenhui
chenhui Admin Created Sep 17, 2019 05:56:10 Helpful(0) Helpful(0)

Posted by LSA at 2019-09-16 14:07 thanks chenhui....in last question if we have route with local pref 130 & learn from external & ...
there are two mistakes in you description.
1. Local preference wouldn't be transmitted to the EBGP peer, so the router would learn a route with local preference from the EBGP peer.
2. The routes with higher local preference is prefered.
  • x
  • convention:

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