Questions tagged [bgp]
BGP is Border Gateway Protocol, used on the internet both inside of and in between networks.
27 questions with no upvoted or accepted answers
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Are multiple BGP-LS NLRIs in a single MP_REACH_NLRI path attribute permitted?
I have a network capture of a real-life BGP-LS session:
...
Path attributes
Path Attribute - ORIGIN: IGP
Path Attribute - AS_PATH: empty
Path Attribute - LOCAL_PREF: 100
Path Attribute ...
- 41
3
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369
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BGP - source routing breaking for some routes
I have two routers (A and B), both are Juniper j2320s. Each one has 3 BGP peers, a primary to one preferred AS (call them AS 1) and two to a secondary (AS 2), as well as an IBGP session between them. ...
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2
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1
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BGP Timers - behavior when Graceful Restart is longer than Holdtime
I am trying to determine exactly why GR timers are recommended to be less than HOLDTIME timers Per RFC4724:
A suggested default for the Restart Time is a value less than or
equal to the HOLDTIME ...
- 21
2
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Problem with BGP aggregate-address behavior in IOS when a large number of OSPF routes update all at once
We have a Direct Connect setup to AWS using BGP. We are running a ISR4451 with IOS XE 16.03.06.
I have a strange situation where the AWS BGP neighbor drops our connection with the notification: ...
- 133
2
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How to redistribute BGP routes learned from AWS in one VR into another BGP running in another VR in Palo Alto firewall?
I have about 1000+ prefixes I am learning from AWS on Palo Alto through a BGP. This is on the secondary VR. Main VR is where my core routing is situated along with another BGP instance pointing to ...
- 136
2
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0
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391
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ip routing preference problem
On my Huawei CE12800 device, I am trying to run this config. Beside a standart BGP process, I am using three community values to control traffic with my upstream provider. With 555 community value, I ...
2
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0
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574
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Is there any way to view the current queue size for a BGP neighbor in the Bird routing daemon?
Using a Cisco or Juniper routers you can see the size of the output queue value by showing the bgp summary. This information is also available when showing the detailed neighbor information.
e.g.
...
- 601
2
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8k
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Setup the BGP + ospf network
I've the next Lab with GNS3
I have two autonomous systems(100,200), when the AS 100 run a OSPF with two areas, 0 and 1. The AS 200 has only a router and computer, so easy. But I don't know how to ...
user5362
2
votes
1
answer
202
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FRR BGP peering on ipv6 link-local address
I have following setup in my lab. Host1/2 running ubuntu with FRR daemon for BGP. R1 is my cisco nexus switch. I want to route traffic between host1 to host2.
[host1]------ibgp----[R1]------ibgp----[...
- 4,469
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change routes to a network on a Cisco router depending on which source loopback you use without using PBR or VRF?
in a Cisco environment , can you change routes to a network 1.1.1.1 on a Cisco router depending on which source loopback you use on that router without using PBR (Policy Based Routing ) ?
so if i ...
- 11
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Trouble configuring BGP policy 'next-hop self' in JunOS
Networking Community,
Problem: I am struggling with applying the correct BGP “next-hop self” policies in JunOS.
Background: I have been brushing up setting BGP policies, e.g. ‘direct’, ‘next-hop self’,...
- 325
1
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0
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86
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Redirect Junos IP public -> IP private
we have an MX204 here that works as our BGP, border router and it is gateway of a service that has private IP, I need to access this service with private IP outside our network, you can tell me if I ...
- 25
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3k
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VXLAN working over IGP, but no NVE peers or EVPN routes in BGP
I'm an absolute beginner with NX-OS and VXLAN. I'm trying to set up a very simple configuration for VXLAN/EVPN/BGP. I have one NX-OSv spine and two leaf switches. No VPC, no anycast SVI. The ...
1
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0
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188
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Getting VRF to work (and some other questions)
I'm messing with BGP/MPLS for the first time and I have some doubts both in if I'm doing something wrong with my configuration and if it is the best approach, hope you guys can clarify me a bit here.
...
- 101
1
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275
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EVPN+VxLAN strange silent host issue
EVPN+VxLAN very strange silent host issue
I have very basic EVPN+VxLAN design where i used OSPF/Multicast/BGP/vPC technologies to build small size datacenter. L2VNI working great without any issue. I ...
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