Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.

Questions tagged [route-filter]

For questions about route filtering, where it is the process by which certain routes are not considered for inclusion in the local route database, or not advertised to one's neighbors.

Filter by
Sorted by
Tagged with
0
votes
1answer
23 views

Router Extended Access Control List

Why can't we place the Extended ACL close to the destination not the source ? What will happen if we do so ?
1
vote
2answers
1k views

Prevent OSPF routes advertised by other routers from entering the routing table?

I have a fairly complicated scenario that I've managed to duplicate with GNS3. Please see the attached image. In this scenario I have four "Branch Offices" each with their own router connected to ...
0
votes
1answer
208 views

Prevent OSPF routes from one network from being redistributed to the rest of the network?

Synopsis: Network A needs to be able to use a static default route to Network B via a local connection (G0/0/3). Network A does NOT want to route ANY Network B addresses through the rest of its ...
4
votes
1answer
55 views

Filter routes based on interface

In EIGRP is there a way to filter routes entering from a specific interface? The intent is to protect the network core's routing table from receiving misconfigured or maliciously-inserted routes from ...
-1
votes
1answer
35 views

Why the filtered website is pinged?

My ISP has filtered some websites and i can't access them by my web browser . But i can ping that websites . How could be this happen ?
2
votes
2answers
175 views

Prevent some BGP prefixes from entering the RIB

I would like to know if it's possible to prevent some BGP prefixes from entering the RIB. I'm receiving full internet routes from 2 ISPs, and I'm getting duplicate paths in BGP table, but only the ...
1
vote
1answer
124 views

Why is it impossible to advertise all OSPF /24 and not all /32 into BGP by using ACLs

For example: advertise all /24s from OSPF into BGP, but not the /32s. Impossible to do with access lists. the above statement can be found in this forum, in a question related to the differences ...
2
votes
1answer
24 views

RIP: def route originated locally, trying to block any other route with prefix list-not working

ip prefix-list DRoute seq 5 permit 0.0.0.0/0 ! since there is an implicit deny the above should allow only the default to ! pass but it is not happening router rip version 2 network 10.0.0.0 ...
0
votes
1answer
137 views

Only DNS filter guest wireless network, but not main wireless network running through same port on switch

Ive got a setup where im using 5 x Ubquity UAP AC PROs as wireless access points. The rest of the wired network is connected straight from the smart switch (Netgear GS716T), via a patch panel, to a ...
2
votes
1answer
452 views

Cisco Prefix List Won't Appear in Route Table

I have the following prefix-list configured on our router: ip prefix-list adsvr seq 5 permit 172.30.5.241/32 ip prefix-list adsvr seq 10 permit 134.239.130.143/32 ip prefix-list adsvr seq 15 permit ...
2
votes
2answers
1k views

OSPF route filtering on Vyatta device

We have a connection between our Vyatta Router to our MPLS VPN Service Provider which is a Cisco device. We would like to know how to filter the OSPF advertisement routes on Brocade Vrouter 5400 (...
2
votes
3answers
528 views

Should I ask for fewer routes or use a route-map to reduce table-size?

I'm running a Vyatta based BGP-router with multiple transit providers which send full BGP tables. I'd like to reduce the load generated by route-calculation but want to keep some possibility of ...
5
votes
1answer
580 views

Filter by TCP Flag ASA

In a standard Cisco 3600 router, I am able to apply TCP flag filtering to an extended access list: R1#configure terminal R1(config)#ip access-list extended 101 R1(config-ext-nacl)# From here, R1(...
5
votes
2answers
2k views

how can I filter all the BGP routes from one specific AS?

how can I filter all the routes from one AS? I want to filter all routes from AS 6400 towards AS1000, how can I filter whole routes from one AS to another? I do not want to be used as transit AS ...
5
votes
1answer
2k views

JunOS: View route-filter import policy matches

Is there a way in JunOS (I'm testing on 11.4R1.14) to see the prefixes filtered out by a policy statement? I have the following in the lab dropping unwanted prefixes from BGP neighbors; policy-...