diff --git a/data/hostname/pergamon.softwareheritage.org.yaml b/data/hostname/pergamon.softwareheritage.org.yaml
index 62e4953d..a8e68439 100644
--- a/data/hostname/pergamon.softwareheritage.org.yaml
+++ b/data/hostname/pergamon.softwareheritage.org.yaml
@@ -1,61 +1,78 @@
 dns::local_cache: false
 
 # Overrides for primary bind server
 bind::zones::type: master
 
 smtp::relay_destinations:
   - destination: "%{hiera('phabricator::vhost::name')}"
     route: smtp:[tate.internal.softwareheritage.org]
 
 smtp::mynetworks:
   - 127.0.0.0/8
   - "[::ffff:127.0.0.0]/104"
   - "[::1]/128"
   - 192.168.100.0/23
   - 192.168.200.0/21
 
 networks:
   private:
     interface: eth1
     address: 192.168.100.29
     netmask: 255.255.255.0
     gateway: 192.168.100.1
+    ups:
+      - "ip route add 192.168.101.0/24 via 192.168.100.1"
+      - "ip route add 192.168.200.0/21 via 192.168.100.1"
+      - "ip route add 192.168.128.0/24 via 192.168.100.125"
+      - "ip rule add from 192.168.100.29 table private"
+      - "ip route add 192.168.100.0/24 src 192.168.100.29 dev eth1 table private"
+      - "ip route add default via 192.168.100.1 dev eth1 table private"
+      - 'ip route flush cache'
+    downs:
+      - "ip route del default via 192.168.100.1 dev eth1 table private"
+      - "ip route del 192.168.100.0/24 src 192.168.100.29 dev eth1 table private"
+      - "ip rule del from 192.168.100.29 table private"
+      - "ip route del 192.168.128.0/24 via 192.168.100.125"
+      - "ip route del 192.168.200.0/24 via 192.168.100.1"
+      - "ip route del 192.168.101.0/24 via 192.168.100.1"
+      - 'ip route flush cache'
+
   default:
     interface: eth0
     address: 128.93.193.29
     netmask: 255.255.255.0
     gateway: 128.93.193.254
 
 # Set apache MPM to prefork
 apache::mpm_module: prefork
 
 dar::backup::exclude:
   - srv/softwareheritage/annex/annexroot
   - var/lib/prometheus
 
 icinga2::role: master
 
 icinga2::features:
   - checker
   - mainlog
   - notification
   - statusdata
   - compatlog
   - command
 
 systemd_journal::role: collector
 
 
 users:
   jenkins-push-docs:
     uid: 3000
     full_name: Jenkins Documentation Push user
     shell: /bin/bash
     authorized_keys:
       jenkins-push-docs@thyssen:
         type: ssh-rsa
         key: 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
 
 groups:
   jenkins-push-docs:
     gid: 3000