Re: [c-nsp] Best Practices to make one BGP link prefer for egrees and ingress traffic of one subnet

Muhammad Atif Jauhar via cisco-nsp <[email protected]> Mon, 23 Feb 2026 21:26:49 +0300
Newsgroups gmane.network.nsp.cisco
Message-ID <CAG6g04XKcx9FgBVfF8PUYJ-GZkmN-u0U0CxNKYVo4KtcsOurYw@mail.gmail.com>
VGhhbmtzIEFyaWXYjAoKV2UgYXJlIHBsYW5uaW5nIGZvciBTRFdBTiBidXQgaW4gM3JkIHF1YXJ0
ZXIgb2YgdGhpcyB5ZWFyLiBCdXQgYmVmb3JlIHRoaXMKd2UgbmVlZCBzb21ldGhpbmcgdG8gd29y
ay4KClJlZ2FyZHMsCgpNdWhhbW1hZCBBdGlmIEphdWhhcgooKzk2Ni01NjAwLTA0OTg1KQoKT24g
TW9uLCBGZWIgMjMsIDIwMjYsIDIwOjA4IEFyaWUgVmF5bmVyIDxhcmlldkB2YXluZXIubmV0PiB3
cm90ZToKCj4gTXVoYW1tYWQsCj4KPiBBcyB5b3UgbWVudGlvbiBzcGVjaWZpYyBkZXN0aW5hdGlv
bnMgdGhhdCB5b3Ugc2VlbSB0byBvd24vbWFuYWdlIG9uIGJvdGgKPiBlbmRzLCB3b3VsZG4ndCBp
dCBtYWtlIG1vcmUgc2Vuc2UgdG8gcnVuIHNvbWUgb3ZlcmxheSBoZXJlLCB3aXRoIHR1bm5lbHMK
PiB0YWtpbmcgYWxsIGF2YWlsYWJsZSBwYXRocywgYW5kIHNvbWUgc2ltcGxlIFNELVdBTi1saWtl
IHJvdXRpbmcgcG9saWNpZXMKPiBzZWxlY3RpbmcgdGhlIGNvcnJlY3Qgb3ZlcmxheSBmb3IgdGhl
IHJlbGV2YW50IHRyYWZmaWM/Cj4KPiBUbngKPiBBcmllCj4KPiBPbiBNb24sIEZlYiAyMywgMjAy
NiwgODowM+KAr0FNIE11aGFtbWFkIEF0aWYgSmF1aGFyIDxhdGlmLmphdWhhckBnbWFpbC5jb20+
Cj4gd3JvdGU6Cj4KPj4gSGksCj4+IFRoYW5rIHlvdSBib3RoIGZvciB5b3VyIGZlZWRiYWNrLgo+
Pgo+PiBCYXNpY2FsbHksIG9uZSBzdWJuZXQgaXMgZm9yIGJhY2t1cCBlbnZpcm9ubWVudCBhbmQg
b3RoZXIgbGluayBpcyBmb3IKPj4gbm9ybWFsIHVzZXIgdHJhZmZpYyB0b3dhcmQgRGF0YSBjZW50
ZXIuCj4+Cj4+IElmIHdlIHVzZSBvbmUgbGluayBtb3N0IG9mIHRoZSBiYW5kd2lkdGggY2FwdHVy
ZWQgYnkgYmFja3VwIHRvIGF2b2lkIGFueQo+PiBiYW5kd2lkdGggaXNzdWUgYW5kIHNsb3duZXNz
IGZhY2VkIGJ5IHVzZXJzLCB3ZSBhY3F1aXJlZCBvbmUgbGluayBmb3Igb25seQo+PiBiYWNrdXAg
YW5kIHJlcGxpY2F0aW9uLgo+Pgo+PiBOb3cgd2FudCB0byBzZWdyZWdhdGUgdHJhZmZpYyBvbiBi
b3RoIGxpbmsgdG8gYXZvaWQgYW55IGJhbmR3aWR0aCBpc3N1ZS4KPj4KPj4gUmVnYXJkcywKPj4K
Pj4gTXVoYW1tYWQgQXRpZiBKYXVoYXIKPj4gKCs5NjYtNTYwMC0wNDk4NSkKPj4KPj4gT24gTW9u
LCBGZWIgMjMsIDIwMjYsIDE3OjM2IEFyaWUgVmF5bmVyIDxhcmlldkB2YXluZXIubmV0PiB3cm90
ZToKPj4KPj4+IE11aGFtbWFkLAo+Pj4KPj4+IFRvIGFkZCB0byBHZXJ0J3MgY29tbWVudCBhYm91
dCBzeW1tZXRyeS4uLiBDYW4geW91IHBsZWFzZSB0cnkgYW5kCj4+PiBleHBsYWluIHdoeSB5b3Ug
aGF2ZSB0aGF0IHJlcXVpcmVtZW50Pwo+Pj4KPj4+IEkgdGhpbmsgdGhpcyBtYXkgYmUgYSBjYXNl
IG9mIHJlYXNzZXNzaW5nIHRoZSByZXF1aXJlbWVudHMgYmVmb3JlIGdvaW5nCj4+PiBpbnRvIHNv
bHV0aW9uIG1vZGUuCj4+Pgo+Pj4gVG54LAo+Pj4gQXJpZQo+Pj4KPj4+IE9uIE1vbiwgRmViIDIz
LCAyMDI2LCA1OjM24oCvQU0gR2VydCBEb2VyaW5nIHZpYSBjaXNjby1uc3AgPAo+Pj4gY2lzY28t
bnNwQHB1Y2submV0aGVyLm5ldD4gd3JvdGU6Cj4+Pgo+Pj4+IEhpLAo+Pj4+Cj4+Pj4gT24gTW9u
LCBGZWIgMjMsIDIwMjYgYXQgMDI6NTA6NTVQTSArMDMwMCwgTXVoYW1tYWQgQXRpZiBKYXVoYXIg
dmlhCj4+Pj4gY2lzY28tbnNwIHdyb3RlOgo+Pj4+ID4gSG93ZXZlciwgZm9yIG91dGJvdW5kIHRy
YWZmaWMsIHdlIGFyZSBwcmVzZW50bHkgcmVseWluZyBvbgo+Pj4+IFBvbGljeS1CYXNlZAo+Pj4+
ID4gUm91dGluZyAoUEJSKSB0byBzdGVlciB0cmFmZmljIHZpYSB0aGUgcHJlZmVycmVkIHVwbGlu
ay4gV2hpbGUgdGhpcwo+Pj4+ID4gYXBwcm9hY2ggaXMgZnVuY3Rpb25hbCwgd2Ugd291bGQgcHJl
ZmVyIHRvIGFjaGlldmUgdGhlIGRlc2lyZWQgcGF0aAo+Pj4+ID4gc2VsZWN0aW9uIHVzaW5nIEJH
UC1uYXRpdmUgbWVjaGFuaXNtcywgaWYgcG9zc2libGUsIHRvIGVuc3VyZSBiZXR0ZXIKPj4+PiA+
IHNjYWxhYmlsaXR5IGFuZCBvcGVyYXRpb25hbCBzaW1wbGljaXR5Lgo+Pj4+Cj4+Pj4gVGhlcmUg
aXMgbm9uZS4gIEJHUCBkb2VzIG5vdCBjYXJlIGFib3V0IHBhY2tldCBzb3VyY2UgYWRkcmVzc2Vz
Lgo+Pj4+Cj4+Pj4gKFRoYXQgc2FpZCwgeW91IGNvdWxkIHRyaWNrIGFyb3VuZCB3aXRoIFZSRnMs
IGJ1dCBpdCdzIHF1ZXN0aW9uYWJsZQo+Pj4+IGlmIHRoYXQgd2lsbCBiZSBtb3JlIHNhdGlzZmFj
dG9yeSBpbiB0aGUgZW5kKQo+Pj4+Cj4+Pj4gU3ltbWV0cmljIHRyYWZmaWMgaXMgYW4gaWxsdXNp
b24sIGFuZCB0cnlpbmcgdG8gYWNoaWV2ZSB0aGF0IGluCj4+Pj4gInRoZSBJbnRlcm5ldCIgaXMg
dGltZSBub3Qgc3BlbnQgd2VsbC4KPj4+Pgo+Pj4+IGdlcnQKPj4+PiAtLQo+Pj4+ICJJZiB3YXMg
b25lIHRoaW5nIGFsbCBwZW9wbGUgdG9vayBmb3IgZ3JhbnRlZCwgd2FzIGNvbnZpY3Rpb24gdGhh
dCBpZgo+Pj4+IHlvdQo+Pj4+ICBmZWVkIGhvbmVzdCBmaWd1cmVzIGludG8gYSBjb21wdXRlciwg
aG9uZXN0IGZpZ3VyZXMgY29tZSBvdXQuIE5ldmVyCj4+Pj4gZG91YnRlZAo+Pj4+ICBpdCBteXNl
bGYgdGlsbCBJIG1ldCBhIGNvbXB1dGVyIHdpdGggYSBzZW5zZSBvZiBodW1vci4iCj4+Pj4gICAg
ICAgICAgICAgICAgICAgICAgICAgICAgICBSb2JlcnQgQS4gSGVpbmxlaW4sIFRoZSBNb29uIGlz
IGEgSGFyc2gKPj4+PiBNaXN0cmVzcwo+Pj4+Cj4+Pj4gR2VydCBEb2VyaW5nIC0gTXVuaWNoLCBH
ZXJtYW55Cj4+Pj4gZ2VydEBncmVlbmllLm11Yy5kZQo+Pj4+IF9fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fCj4+Pj4gY2lzY28tbnNwIG1haWxpbmcgbGlzdCAg
Y2lzY28tbnNwQHB1Y2submV0aGVyLm5ldAo+Pj4+IGh0dHBzOi8vcHVjay5uZXRoZXIubmV0L21h
aWxtYW4vbGlzdGluZm8vY2lzY28tbnNwCj4+Pj4gYXJjaGl2ZSBhdCBodHRwOi8vcHVjay5uZXRo
ZXIubmV0L3BpcGVybWFpbC9jaXNjby1uc3AvCj4+Pj4KPj4+Cl9fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fCmNpc2NvLW5zcCBtYWlsaW5nIGxpc3QgIGNpc2Nv
LW5zcEBwdWNrLm5ldGhlci5uZXQKaHR0cHM6Ly9wdWNrLm5ldGhlci5uZXQvbWFpbG1hbi9saXN0
aW5mby9jaXNjby1uc3AKYXJjaGl2ZSBhdCBodHRwOi8vcHVjay5uZXRoZXIubmV0L3BpcGVybWFp
bC9jaXNjby1uc3AvCg==