nanog mailing list archives
Re: management traffic QoS on Tunnel interfaces
From: Andrey Khomyakov <khomyakov.andrey () gmail com>
Date: Mon, 29 Jul 2013 16:11:42 -0400
Darren, My understanding that qos-preclassify will only copy ToS header from original packet to encrypted packet. Since service-policy is applied to the physical interface and is looking at already encrypted traffic, ACLs won't see the original source/destination Andrey --Andrey On Mon, Jul 29, 2013 at 12:31 PM, Darren O'Connor <darrenoc () outlook com>wrote:
In this class you are matching: class-map match-any SSH match ip dscp cs2 Why not just match an ACL for SSH traffic from the local router back to your management range?From: khomyakov.andrey () gmail com Date: Mon, 29 Jul 2013 12:07:19 -0400 Subject: management traffic QoS on Tunnel interfaces To: nanog () nanog orgHi all, I have been trying to come up with a qos policy (or rather where to apply it) for reserving some bandwidth for management traffic to the localrouterThe setup is that a remote route is a spoke to a DMVPN network, thus hasacouple of ipsec gre tunnel interfaces and a Lo0 for management (ssh). I have no issue working out service policy for transiting traffic,however,I can't wrap my head around how to reserve some bandwidth for the locally originated SSH traffic (managing the router). I'd like to mark ssh response packets from the local router (1.1.1.1)withCS2,so i can match them in the tunnel policy shown below. Has anyone come across this task before? interface Loopback0 ip address 1.1.1.1 255.255.255.255 interface Tunnel0 ip address 2.2.2.2 255.255.255.0 qos pre-classify <snip> tunnel source FastEthernet0/0 tunnel mode gre multipoint tunnel protection ipsec profile protect-gre shared ! interface FastEthernet0/0 desc DSL/Cable/FiOS ip address 3.3.3.3 255.255.255.0 bandwidth 768 bandwidth receive 1500 service-policy output SHAPE-OUT-768 ! class-map match-any SSH match ip dscp cs2 ! policy-map SHAPE-OUT-768 class class-default shape average 768000 service-policy SSH ! service-policy SSH class SSH bandwidth percent 5 class class-default fair-queue queue-limit 15 packets --Andrey
Current thread:
- management traffic QoS on Tunnel interfaces Andrey Khomyakov (Jul 29)
- RE: management traffic QoS on Tunnel interfaces Darren O'Connor (Jul 29)
- Re: management traffic QoS on Tunnel interfaces Andrey Khomyakov (Jul 29)
- RE: management traffic QoS on Tunnel interfaces Chuck Church (Jul 29)
- Re: management traffic QoS on Tunnel interfaces Andrey Khomyakov (Jul 29)
- Re: management traffic QoS on Tunnel interfaces Jon Mitchell (Jul 29)
- Re: management traffic QoS on Tunnel interfaces Andrey Khomyakov (Jul 29)
- RE: management traffic QoS on Tunnel interfaces Darren O'Connor (Jul 29)